CN1748142A - Quality control method for article and oxygen detecting agent for use therein - Google Patents
Quality control method for article and oxygen detecting agent for use therein Download PDFInfo
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- CN1748142A CN1748142A CN 200480003761 CN200480003761A CN1748142A CN 1748142 A CN1748142 A CN 1748142A CN 200480003761 CN200480003761 CN 200480003761 CN 200480003761 A CN200480003761 A CN 200480003761A CN 1748142 A CN1748142 A CN 1748142A
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- 239000001301 oxygen Substances 0.000 title claims abstract description 293
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 293
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 282
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 183
- 238000003908 quality control method Methods 0.000 title claims description 10
- 238000007726 management method Methods 0.000 claims abstract description 104
- 230000035699 permeability Effects 0.000 claims abstract description 85
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 15
- 230000035945 sensitivity Effects 0.000 claims abstract description 11
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- 238000006073 displacement reaction Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 18
- 150000002926 oxygen Chemical class 0.000 claims description 11
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Abstract
The invention provides an article quality management method and an oxygen detection agent used by the article quality management method. The article quality management method is characterized in that: an article is combined with an oxygen detection agent provided with a specified sensitivity corresponding to the kind and quality management conditions of the article so as to spend a specified period corresponding to the kind and the quality management conditions of the article and the invention takes advantage of the oxygen detection agent to detect the concentration of the oxygen dipped into the oxygen detection agent and the color change, further to manage the quality of the article. The oxygen detection agent used by the article quality management method is characterized in that: the oxygen detection agent is formed by a body of the oxygen detection agent which is sealed and covered and has a specified oxygen permeability and/or carbon dioxide permeability corresponding to the kind and the quality management conditions of the article to be made a quality management.
Description
Technical field
The present invention relates to method for quality control and employed oxygen detecting agent thereof applicable to the article of the food freshness management method of gas displacement packaged food etc.
In more detail, the present invention relates to for example in advance detection agent is attached to directly or indirectly with food is on the article of representative, after being displayed in food etc. on the display racks such as supermarket, because the passing during keeping with the quality of the corresponding regulation of kind of food etc. etc., the color of detection agent changes, with this, consumer and food-handler etc. can judge the freshness of food easily, the standard of selection of goods, identification etc. with food freshness management method be representative article method for quality control with and employed oxygen detecting agent.
Background technology
Past, oxygen detecting agent is in field of food, printing-ink field, electric, mechanical implement field and pharmaceuticals, field of medical products etc., the quality that is widely used in various article in the packing container etc. keeps judging and quality management etc., for example: food, printing-ink, electricapparatus utensil, pharmaceuticals, medical supplies.
For example, at field of food, oxygen detecting agent is an object with the food of long preservation mainly, at lubricant component in order to contain in preventing because of food, it is rotten that the oxidation of vitamins causes, prevent the generation of insect pest, prevent the regression of color and luster, and prevent to go mouldy and bacterial reproduction etc., be loaded in the non-gas penetration potential sealing bags of food and put into special deoxidizer (oxygen absorbent) simultaneously, keep for a long time anaerobic state in fact in the packaging bag, irrelevant with the kind of food, after as long as perception is immersed the oxygen of the ormal weight in the packaging bag from the outside, same change color just takes place in oxygen detecting agent, for example do not exist, according to different food variety etc., issue the oxygen detecting agent of the look that changes in different conditions.
Promptly, in the past, in same packaging bag, put into food simultaneously, deoxidizer, and oxygen detecting agent, between the long-term maintaining period of food in the process, deoxidizer absorption sees through the pore that occurs in pressurizing window part and packaging bag, the oxygen that immerses from the outside, or react with deoxidizer, thereby, oxygen content in the packing reduced or be eliminated, simultaneously, (deoxidizer does not adsorb according to performance reduction of deoxidizer etc., or do not react with deoxidizer), the remaining oxygen content in variable color is confirmed to pack by oxygen detecting agent is used as the standard of the freshness quality of the packaged food of visual determination.(for example, with reference to the spy open the 2002-308342 communique, the spy opens the 2000-342235 communique, the spy opens the 2000-039429 communique, the spy opens flat 11-276888 communique, the spy opens flat 11-190729 communique, opens in fact flat 5-85623 communique)
But, the food variety that occurs on market is diversified, in addition, the circulating pathway of food reaches from the average required number of days of producing till the consumer eats and also has nothing in common with each other, therebetween, the food display form in the temperature (article temperature) in the preservation of food and transportation or when display, the retail stage in the supermarket etc. also is varied, therefore, should not be in and all attaches deoxidizer and oxygen detecting agent in all food.
For example, non-staple food is after manufacturing, and often at room temperature (15～25 ℃) be placed in the short time of 2-3 day in the food display rack in supermarket etc., and needed one are purchased away, consumed in a few days.Such be in the food sold of precondition with the short time by consumption, in packing, do not attach deoxidizer or oxygen detecting agent.
In addition, as required, subsidiary deoxidizer or oxygen detecting agent in the packing of the poultry meat of giving birth to, under the temperature that produces deterioration hardly (for example :-40 ℃～-18 ℃), freeze for a long time to preserve or under this temperature, carry out in the process of refrigeration transportation, the packaged portions that often is divided into hundreds of grams～several kilograms of degree, (or in will raiseeing meat disintegration packaging process, be divided into packaged portions in advance) under the temperature about 5～6 ℃, in the food display rack (storehouse) in supermarket etc., put 2-3 day, and the freshness degree in the good a few days needed one purchase away, consumed.The poultry meat of giving birth to display in the stage, in the food display rack in such supermarket because the poultry meat of giving birth to is that precondition is sold with the short time by consumption, so do not attach deoxidizer or oxygen detecting agent in the packing.
When the consumer buys these type of commodity such as food in display such as display rack, though most consumer selects commodity according to the quality of price, food, but, the quality of GPRS food, except that outward appearance based on its food, also will be according to the mark of the manufacturing days of each commodity, the date data that quality keeps the time limit etc.These data are selected the basis for estimation of commodity as the consumer.
In addition, after the consumer buys commodity, leave keeping in oneself the refrigerator etc. in, even in the shelf-life of its commodity when edible, also according in the outward appearance of storehouse food, make the date etc., begin consumption from the thing that is down to the wire successively,
Also have, it is also the same with the consumer that the merchandise control person in snacks shop and practitioner wait, and removes the outward appearance of observation food, also will read the manufacturing date of each food, the date data of quality guarantee period etc. one by one, is used as commodity exchange, discarded basis for estimation.
When carrying out such food control, in order to confirm the quality of commodity, the practitioner in consumer and snacks shop etc. will take each commodity in the hand one by one, read the manufacturing date of very little literal of usefulness or digital mint-mark etc., if, can be according to the color change of label, judge its commodity more simply whether in the shelf-life by vision, then promptly save trouble and convenient.Especially consumer, if can according to color change of label etc. simply its food of visual determination whether in the shelf-life, so, natural facility when buying commodity, commodity buy the back in own refrigerator etc. certainly, also be convenient to set up an optimum recipe, so that be not used light near the old food of shelf-life with having residue.
Yet, in the past, for the cake class commodity that with the long preservation management are prerequisite, even in food container, pack deoxidizer and oxygen detecting agent into, especially after manufactured, processing, conditioning etc., being prerequisite by consumer spending in a short time, the food of putting on market does not have easy freshness management method, for example, the poultry meat of giving birth to, the flesh of fish, non-staple food, fresh fish Jie class, raw vegetable, fruit, dry fruit, Japanese cake, Western cake etc.
In addition, commodity except that above-mentioned food, for example, in the printing-ink field, electricapparatus utensil field, medicine and field of medical products etc., do not have quality keep to judge and the short-cut method of quality management etc. yet so that this method to easy quality management effectively, especially effective to the short-term quality management of a few days and even several months.
In addition, for example, in described Japanese patent laid-open 11-190729 communique, a kind of single face splicing tape (2) that passes through is disclosed, the whole essence tight of the oxygen detection constituent attachment surface ground of banded oxygen detecting agent (1) is pasted the band shape stickup oxygen detecting agent that gets up.This band shape is pasted and is comprised with oxygen detecting agent: on the banding substrate of non-gas penetration potential and non-moisture-penetrability, add the banded oxygen detecting agent (1) that oxygen detects constituent by coating, printing or infiltration; And than the amplitude broad of (1), at least a portion is transparent, and coheres band (2) at the plastic single face that single face has an adhesive linkage.According to this oxygen detecting agent, the oxygen concentration in can corresponding packing container changes, and oxygen detecting agent changes color rapidly, at an easy rate by the visual minimizing that in time detects oxygen concentration, can be used for the quality management of the plain packaged food of deoxidation etc.
But, carry out at needs under the different situation of the quality management condition of kind, its package temperature, packaged configuration (example: vacuum or gas displacement pack, aeration packaged with plastic container), quality guarantee period etc. of article of food etc. of qualitative control, how kind, quality management condition that could corresponding these food, accomplish on the quality management this point of well and easily carrying out food etc., do not point out in this communique.
In order to solve the technological deficiency of above-mentioned prior art, the object of the present invention is to provide with the management of food freshness is the article quality management method of representative.This method is in advance oxygen detecting agent to be sticked on the article of food and so on directly or indirectly, for example, after food being displayed in the display rack in supermarket, kind and quality management condition corresponding to food, the passing that waits between the shelf-life according to the rules, consumer or food-handler etc. can extremely easily judge the freshness of food according to the change color of detection agent, obtain the foundation of commodity selection and identification etc.
In addition, the present invention also aims to provide a kind of novel oxygen detecting agent, system sticks on oxygen detecting agent on the article (commodity) of food etc. in advance directly or indirectly, for example, after food being displayed in the display rack in supermarket, kind corresponding to food, because the passing that waits between the shelf-life of regulation, and the color of detection agent changes, consumer or food-handler etc. can very easily judge the freshness of food, the standard that can be used as commodity selection and identification etc. is used, and is being the novel oxygen detecting agent that uses in the article quality management method of representative with aforesaid food freshness management preferably.
Summary of the invention
The present invention relates to the article quality management method, it is characterized in that: with article, make up with the oxygen detecting agent of the sensitivity of regulation with kind corresponding to article, quality management condition, utilization along with the kind of article, passing during (the guaranteeing the quality) of the regulation of quality management condition correspondence, above-mentioned oxygen detecting agent detects the oxygen concentration that is immersed in this oxygen detecting agent, and the principle of generation variable color is carried out the quality management of article.
In the present invention, also can be with of the combination of described article with the oxygen detecting agent of the sensitivity of regulation with kind corresponding to article, quality management condition, be placed on the deoxidizer of not packing into by in the air-tight package bag of gas displacement.With such state, in packaging bag, to put into article and to have the oxygen detecting agent of the sensitivity of kind corresponding to article, quality management condition regulation, after the gas displacement that the state of not putting into deoxidizer is packed, packaging bag is sealed, in passing corresponding to specified time limit of the kind of article, quality management condition, above-mentioned oxygen detecting agent can detect the concurrent look that changes of the concentration that enters into the oxygen in the packaging bag from the outside, with this, carries out the quality management of article easily.
In the present invention, preferred above-mentioned article mean food, and the quality of answering article managed is the freshness of food.
In the present invention, above-mentioned oxygen detecting agent preferably by the oxygen detecting agent body, and sealing cover this body, have the oxygen permeability of quality management condition regulation of kind according to the article of food etc., temperature, environmental gas etc. and/or the film of infiltration rate of carbon dioxide and constitute.
In addition, preferably in above-mentioned oxygen detecting agent, colour table is set, described colour table preferably constitutes with this oxygen detecting agent one or split, at least simultaneously color, the expression that provides the expression A-stage of oxygen detecting agent before oxidation maybe should begin the color of the state of freezing preservation, represents that quality keeps the color of the state in the time limit as required, corresponding respectively with it mark and the colour code that shows simultaneously latter stage quality guarantee period.
In above-mentioned oxygen detecting agent of the present invention, preferred above-mentioned oxygen detecting agent body is by allowing the porous inorganic be that oxide soaks into oxygen and detects constituent solution, and dried as required gains.
In the present invention, above-mentioned gas is replaced, and preferably by getting rid of the air in the packing, the importing inactive gas carries out.
In the present invention, above-mentioned oxygen detecting agent preferably detects the oxygen detecting agent of oxygen and demonstration according to the change color of redox pigment.
In the present invention, above-mentioned food, preferably a kind or 2 kinds and the above food of selecting among non-staple food, Japanese cake, the western-style cake.
In addition, in the present invention, above-mentioned food is preferably from raiseeing a kind or 2 kinds and the above food of selecting among meat, the flesh of fish.
Method for quality control according to the article that the present invention relates to, a kind of article quality management method that is representative with visual food freshness management method of carrying out commodity selection, identification can be provided, promptly, with article, for example food is displayed in after the display rack in supermarket, corresponding to the kind of food, according to passing owing to grade between the shelf-life of regulation, the change in color of detection agent, consumer or food-handler etc. can very easily judge the freshness of food.
In addition, according to the present invention, provide the article quality management method of the freshness management method that can be applicable to above-mentioned food etc., and can bring into play the oxygen detecting agent of above-mentioned functions.
Embodiment
It below is the preferred embodiment of the oxygen detecting agent that uses in the relevant article quality management method that the present invention relates to and this method.Specify the oxygen detecting agent that uses in the freshness management method of food and the method thereof for example.
In the freshness management method of the food that the present invention relates to (invention the 1st aspect), with food and the kind that has according to food, it for example is (1) non-staple food, Japanese cake, western-style cake etc., or poultry meat that give birth to (2), the flesh of fish etc., quality management condition with food, the temperature (storage temperature) of its food when for example preserving management, (example: vacuum or gas displacement pack the packaged configuration of food, the breathable plastics container package), and the oxygen detecting agent of the sensitivity of the corresponding regulation of quality management condition of quality guarantee period of food etc. makes up, according to the kind of food, quality management condition corresponding specified time limit, for example, the passing that waits during quality keeps, above-mentioned oxygen detecting agent detects the oxygen concentration that enters (immersion) this oxygen detecting agent and variable color takes place, and carries out the freshness management of food with this.
In addition, in the 2nd freshness management method (inventing aspect the 2nd) according to food of the present invention, also can be with of the combination of above-mentioned food with the oxygen detecting agent of the sensitivity of the regulation of quality management condition with kind corresponding to food, freshness etc., be placed on deoxidizer, in the same air-tight package bag after the gas displacement.With such state, in packaging bag, put into food and have the oxygen detecting agent of the sensitivity of kind corresponding to food, quality management condition, after the gas displacement of packing under the state of not putting into deoxidizer, packaging bag is sealed, in through specified time limit corresponding to the kind of food, food, freshness management condition etc., above-mentioned oxygen detecting agent detects the oxygen that enters into from the outside in the food pack and carbon dioxide, especially detects the concurrent look that changes of concentration of oxygen, with this, can carry out the freshness management of food.
The the above-mentioned the 1st and the 2nd aspect according to invention, should carry out the food of freshness management, be placed in the food display rack (storehouse) in supermarket etc. etc., in placement is understood between than short-term, after under the condition that the quality of commodity reduces fully, because the passing of the shelf-life of regulation etc., oxygen detecting agent generation variable color, and the passing state during the display quality maintenance, therefore, the person of needs of commodity, processor etc. can hold quality simply, and it is different with the situation of numerical value and word indicating, need not worry to misread, and the possibility of misidentification quality is also minimum.
＜oxygen detecting agent 〉
The oxygen detecting agent that can adopt as the freshness management method of the food in the above-mentioned the 1st～the 2nd, according to oxygen infiltration capacity (rate) and/or infiltration rate of carbon dioxide, preferably constitute by the oxygen detecting agent body of variable color and the film (oxygen permeability control film) of this body of sealing covering corresponding to oxygen permeability.This film is preferably according to the quality management condition of the kind of type of goods, storage humidity and the humidity of the quality management that should carry out food etc., substitution gas and replacement rate, the desirable freshness of food etc., and oxygen permeability and/or infiltration rate of carbon dioxide with regulation especially have oxygen permeability.
In addition,,, can on any one of oxygen detecting agent, cohere knitting layer or two sides adhesive tape, so that it easily is fixed on desirable of the inner face of packing or outside (outside surface) etc. if when thin slice, band shape etc. about the shape of oxygen detecting agent.Also have,, can install to use in the polybag etc. of transparent ventilation if when be the tablet shape.
In addition, all can appropriately be used in combination with existing known (product) respectively as oxygen detecting agent body, film (oxygen permeability control film) according to the kind or the quality management condition of article.
For example, as the oxygen detecting agent body, can use: can detect in the packing container of food etc. or the having or not of oxygen concentration that packing container is outer or oxygen, see through and soak into having or not of the oxygen concentration of coming in or oxygen across oxygen permeability control film, especially can be when making gas displacement packing, Deoxygen Packaging etc., detected gas is replaced, oxygen is fully removed, and perhaps detects the oxygen concentration of critical quantity; According to change in color, promptly, according to the variation of form and aspect, color or brightness, the oxygen detecting agent body that has or not etc. of expression oxygen concentration or oxygen.
In order to prevent the misuse of this oxygen detecting agent, the standard quality management, preferably in above-mentioned oxygen detecting agent, colour table is set, described colour table and this oxygen detecting agent one or split constitute, at least color, the expression that has the expression A-stage of oxygen detecting agent before oxidation maybe should begin the color of the state of freezing preservation, represents that quality keeps the color of the state in the time limit as required latter stage quality guarantee period, simultaneously, respectively (for example: the indigo plant of methylenum careuleum) to variable color that should oxygen detecting agent, or not variable color (for example: methylenum careuleum pink), the souvenir (explanation) of each food state is described; Food variety or the quality management condition (terms of packing of storage temperature, holding time or the vacuum seal etc. of the food of managing etc.) of using its oxygen detecting agent to carry out food quality control further are shown.
As the oxygen detecting agent body, that can enumerate has: be to inhale on the poriness member of oxide etc. to soak oxygen and detect constituent solution at shaping thing, paper, line, absorbent cotton, porous resin, porous inorganic thing or the porous inorganic of tablet shape, and gains after carrying out drying etc. as required; Detect constituent at paper or film surface coating oxygen, make it dry gains as required, maybe with the gains of this constituent printing etc.
Oxygen detecting agent of using as the quality management of meat product etc. particularly, be set forth at a few days on the bright display rack, need in the sunproof purposes, after the oxygen detecting agent variable color, can keep better considering on its tone this point that preferably adopting porous inorganic described later is the poriness member of oxide etc.
Detect constituent as this oxygen,, preferably use the oxygen of so-called oxidation-reduction type to detect constituent though can use existing known technology.As the oxidation-reduction type oxygen detecting agent, representative, specifiable have: the specific pigment of methylenum careuleum etc., with as be used to reduce this pigment reductive agent glucose etc. combination (with reference to the spy open clear 53-120493 communique, the spy opens clear 56-60349 communique).These all are to have utilized following phenomenon: promptly, when oxygen existed, methylenum careuleum self was oxidized and be blue look, under the state of anaerobic, the above-mentioned pigment that is blue look is become colourless phenomenon by reductive agents such as glucose reduction (glucose seizes the oxygen with pigment oxidation, and glucose self is oxidized).Usually, when methylenum careuleum becomes colorless (or micro mist look), it is emphasized for making its cheer and bright fusion pigment (for example, red colour system pigment such as Food Red).
In the poriness member,, can enumerate acticarbon, charcoal, bone ash etc. as the porous inorganic thing.In addition, as porous inorganic is oxide, and that can give an example has: oxide or these hopcalites of silicon (Si), aluminium (Al), magnesium (Mg), calcium (Ca), zinc (Zn), barium (Ba) potassium (K) etc., have these elements composite oxides etc.
More particularly, as porous inorganic is oxide, and specifiable have: silica gel, silica, zeolite, silk zeolite, bentonitic clay, smectite, (activity) aluminium oxide, magnesium oxide, titania, atlapulgite, clay, slag, aluminium scholar ore deposit, porous glass pearl etc.
In these poriness members, preferred porous inorganic is an oxide; From the more preferably oxygen detecting agent that obtains of silica gel, aluminium oxide, zeolite, smectite of the visuality of the photostability of oxygen detecting agent, tonal variation, security equal angles.
These poriness members also can be with one or both and two or more combinations.
As oxygen permeability control film (film), for example have: the transparent membrane of tygon, polypropylene, polyester, polyimide, polycarbonate, cellulose acetate, viscose paper etc.These transparent membranes promptly can be stretched so long as transparent, also can carry out metal etc. surperficial evaporation, these film combination in any can also be carried out lamination.
Particularly, for example can the past that following (1)～(11) are enumerated is known, transparent membrane (example: reference＜packaging for foodstuff brief guide〉the 495th page, table 2, civic organization Japan Packaging Technology Association periodical) with various oxygen permeabilities (and/or carbon dioxide permeability) uses as oxygen permeability control film.
(1) oxygen permeability (oxygen permeability) is 2000ml/m
224hrsatm (30 ℃ of liquid of temperature (wet)), moisture permeability 1g/m
2Lamination (stacked) film of the OPP of 24hrs (40 ℃, 90%RH) (OPP: Biaxially stretched polypropylene, thick 20pm)/stretching HDPE (HDPE:high density polyethlene, thick 4.5pm)/LDPE (LDPE:low density polyethlene, thick 30 μ m).
(2) the oxygen permeability is 2000ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 6g/m
2The laminated film of the OPP of 24hrs (40 ℃, 90%RH) (OPP: Biaxially stretched polypropylene, thick 20pm)/CPP (CPP: no stretched polypropene film, thick 30 μ m).
(3) oxygen permeability is 1000ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 15g/m
2The laminated film of viscose paper (thick 20pm)/LDPE of 24hrs (40 ℃, 90%RH) (LDPE:low densitypolyethlene, thick 40 μ m).
(4) oxygen permeability is 12ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 13g/m
2The laminated film of the PVDC of 24hrs (40 ℃, 90%RH) (PVDC: vinylidene chloride (ethenylidene chlorine), thick 3 μ m) coating ONylon (ONylon: stretching nylon, thick 18 μ m)/EVA (EVA: the altogether heavy and resin of ethylenediamine/vinyl acetate, thick 50 μ m).
(5) oxygen permeability is with 12ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 8g/m
2The laminated film of the PVDC of 24hrs (40 ℃, 90%RH) (PVDC: vinylidene chloride, thick 3 μ m) coating PET (thick 15 μ m)/CPP (CPP: no stretching polyethylene film, thick 50 μ m).
(6) oxygen permeability is with 12ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 10g/m
2The laminated film of the PVDC of 24hrs (40 ℃, 90%RH) (PVDC: vinylidene chloride, thick 3 μ m) coating viscose paper (thick 23 μ m)/LDPE (low density polyethylene).
(7) oxygen permeability is 12ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 5g/m
2The laminated film of the PVDC of 24hrs (40 ℃, 90%RH) (PVDC: vinylidene chloride, thick 3 μ m) coating OPP (2 oriented polypropylenes, thick 23 μ m)/LDPE (low density polyethylene, 40 μ m).
(8) oxygen permeability is 10ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 1g/m
2The laminated film of the PET of 24hrs (40 ℃, 90%RH) (thick 12 μ m)/LDPE that aluminizes (low density polyethylene, 30 μ m).
(9) oxygen permeability is 2ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 1g/m
2The aluminum plated PET of 24hrs (40C, 90%RH) (thick 12 μ m), the laminated film of LDPE (low density polyethylene, 40 μ m).
(10) oxygen permeability is 2ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 5g/m
2The PVDC of 24hrs (40 ℃, 90%RH) (thick 3 μ m), the laminated film of coating (coating coated) stretching PVA (15 μ m)/LDPE (low density polyethylene, 70 μ m).
(11) oxygen permeability is 1.5ml/m
224hrsatm (30 ℃ of liquid of temperature), moisture permeability 2.5g/m
2The PVDC (12 μ m) of 24hrs (40 ℃, 90%RH), the laminated film of coating viscose paper (thick 32 μ m)/LDPE (low density polyethylene 40 μ m).
In these can be by the film of lamination, as above-mentioned (4)～(11) were cited, oxygen permeability (oxygen permeability) was 1.0～100ml/m
224hrsatm (30 ℃ of liquid of temperature), preferred 1.0～40ml/m
224hrsatm (temperature 30C liquid) more preferably adopts 1.0～15ml/m
2The transparent membrane of the low-permeability of 24hrsatm (30 ℃ of liquid of temperature), then in the poultry meat of life described later, flesh of fish packing (pack), the outside surface (packing outside surface) that directly contacts with air, perhaps the wrapping pouch inside surface of poultry meat (packing inside surface) of oxygen or the air life that almost can free in and out is gone up and is attached oxygen detecting agent, in the freshness management of carrying out food with the muting sensitivity state effectively.
In these films, as above-mentioned (1)～(3) are cited, be 500～3000ml/m if adopt oxygen permeability (oxygen permeability)
2, 24hrsatm (30 ℃ of liquid of temperature), preferred 800～2500ml/24hrsatm (30 ℃ of liquid of temperature) especially preferably adopts 1500～2300ml/m
2The transparent membrane of the high permeability of 24hrsatm (30 ℃ of liquid of temperature), then at the gas displacement packing box (pack) of the non-staple food described later and the non-staple food of packing into, the immersion of oxygen is suppressed and the air-tight package medial surface that stops is pasted oxygen detecting agent, in the freshness management of carrying out its food etc. with the high sensitivity state effectively.
In addition, the kind of film etc. can be according to food variety and packaged configuration and appropriate the selection.
(the freshness management of the packed meal of the non-staple food and the non-staple food of packing into etc.)
Further specifically be illustrated for example, for example, the food such as packed meal of non-staple food and adding non-staple food, as previously mentioned, after manufacturing, often short-term was placed in the food display rack in supermarket or shop etc. 2～3 under the temperature of room temperature (15～25 ℃)～" room temperature-5 ℃ ", and needed one is purchased away, consumed in the meantime in a few days.
Such non-staple food and add non-staple food packed meal etc. from being fabricated onto the flow process till the consumption, for example, be at normal temperatures and pressures, in the conditioning chamber at food manufacturing workshop etc., non-staple foodstuff, rice etc. is packed in the container, add oxygen detecting agent in the same container again, with in the container with carbon non-activated gas, for example with inactive gas, for example use nitrogen (N
2) and carbon dioxide (CO
2) mixed gas (example: N
2/ CO
2(mixed volume ratio)=1/0.8～1/1.2) gas displacement, initial oxygen concentration is generally below 0.2% after the gas displacement, and is most with the process that circulated by the sealing state after the degree of gas displacement to 0.2～0.3%.
In addition, as above-mentioned inactive gas, be not limited only to above-mentioned for example, that can enumerate has known nitrogen, carbon dioxide, argon gas, a helium etc. in the past.Can also two or more be used in combination with these inactive gass.
In addition, above-mentioned food is on the food display rack in supermarket etc. after the display, and between the shelf-life of the kind of food, the corresponding regulation of quality management condition through after, oxygen concentration in the container for example, reach the 2nd～3 day after the manufacturing of 1% front and back, the color that is contained in the oxygen detecting agent of (or being attached on the container inner wall) in the same container changes.
Like this, consumer or food-handler etc. can very easily judge the freshness of food, obtains the standard of commodity selection and identification etc.
For example, as the oxygen detecting agent body that constitutes the oxygen detecting agent member, if the base material that contains red pigments is soaked into obtain after the methylenum careuleum, then ambient oxygen concentration rises, and one (for example: 1.0%), just change to blue look from redness reaches 0.9～1.2% scope.
Therefore, when object food was the packed meal etc. of the above-mentioned non-staple food or the non-staple food of packing into, it was 1000～3000ml/m that the film (oxygen permeability control film) that covers the oxygen detecting agent body as sealing also can adopt oxygen permeability (oxygen permeability)
224hrsatm preferably adopts 1500～2500ml/m
2The film of 24hrsatm.
As such oxygen permeability control film, preferred adopt has tolerance (insoluble) to the moisture in the food of being taken in (liquor), edible oil, alcohol etc., for example has: the laminated film of polypropylene (OP)/tygon (PE), polyester (PET)/tygon (PE) etc.
If seal described oxygen detecting agent body with oxygen permeability control film with such oxygen permeability, then can be arranged to: temperature in the non-staple food display rack in supermarket for example, above-mentioned normal temperature (for example: the temperature about 15～25 ℃), one through above-mentioned number of days (example: after the food manufacturing, 2～3 days), the color relation of oxygen detecting agent body is changed to blue look by red, like this, and just can be easily and judge the freshness (quality guarantee period) of the packing box of the non-staple food or the non-staple food of packing into exactly.
Same with the packing box of the above-mentioned non-staple food or the non-staple food of packing into, as the food that can carry out the freshness management under near the temperature conditions of normal temperature in the short time, also have Japanese cake and western-style cake etc. in addition, other dried fruit, nut etc. also can be after setting appropriate condition, as the object of above-mentioned freshness management.
(the freshness management of the food such as poultry meat of giving birth to)
Also have, when object food is, for example, during the poultry meat of giving birth to, in the impermeability outer packaging bag, together to enclose oxygen detecting agent with the state of the poultry meat combination of the life that is divided into packaged portions (pack), also deoxidizer is packed in case of necessity in the packaging bag that this external packing uses, for example, with carbon dioxide (CO
2) carry out gas displacement in the packaging bag that will apply mechanically outward, the oxygen concentration after the gas displacement is usually below 0.05%, and most gas displacements become 0.01～0.05% scope, carry out tens of days (for example: 40 days) transportation and keeping (state A) under about 0 ℃.
In addition, with the poultry meat of giving birth to, be contained in the same impermeability outer packaging bag with oxygen detecting agent with the state of the poultry meat of the life that is divided into pouch-packaged combination, also deoxidizer is packed in case of necessity in this external packing, and vacuumize in the packing that will apply mechanically outward, for example, under the temperature that can make quality deterioration hardly (for example :-40 ℃～-18 ℃ degree) freeze for a long time to preserve or refrigeration transportation etc. (state B) under this temperature.
The poultry meat of giving birth to, pass through the transportation of under so all conditions (state A or state B), after the keeping, by opening and removing impermeability and apply mechanically packaging bag outward, be displayed on the food display rack (storehouse) in supermarket etc., thereby, the oxygen detecting agent of the state that makes up with above-mentioned packaged portions is ingress of air directly, the oxygen of (in the air) around oxygen detecting agent begins to absorb, through the afore mentioned rules fate (for example: under the temperature about the 2-10 degree, 3-4 is about day), the oxygen detecting agent body detect from oxygen permeability control film by with soak into, when the concentration that enters into the oxygen of inside (oxygen detecting agent base side) reaches certain value, the color that can make detection agent is by red stain Cheng Lan, so just can be easily and grasp the freshness (quality guarantee period) of the poultry meat of giving birth to exactly.
Seal the film (oxygen permeability control film) that covers adopted oxygen detecting agent body this moment as being used to, can adopt oxygen permeability (oxygen permeability) is 1～50ml/m
224hrsatm's, preferably adopt 5～20ml/m
2The film of 24hrsatm.
As such oxygen permeability control film, specifiable have: Polyethylene Terephthalates (PET)/polypropylene fine (PAN) laminated film, Polyvinylchloride painting polyethylene film (KNY/PE) etc.
If described oxygen detecting agent body sealing is covered with film with such oxygen permeability, so, even behind the bale packing of living poultry meat, the transportation and storage stage is played the outside surface that just oxygen detecting agent is attached to inner wrapping, or be placed in the aeration inner wrapping, oxygen detecting agent also can be because of betransporteding together at the poultry meat with the life of little branch packing, in between storage life, be installed in the outer packaging bag of applying mechanically, betransported and preserve with above-mentioned hypoxia, so, can reduce the poultry meat quality of the life of packaged portions hardly, therefore, variable color does not take place in oxygen detecting agent during it, and expression raw meat is fresh.
But, in the present invention, in case, open the overcoat packaging bag that keeps hypoxia, oxygen detecting agent is exposed in the air, so, for example, under 2～10 ℃ (such as 6 ℃), through above-mentioned number of days (3～4 days), absorb the oxygen of fixed amount in the air, can make the color of oxygen detecting agent body become blue look from redness.
Like this, according to the kind of the type of goods such as food that should carry out quality management, temperature, humidity, substitution gas or the quality management condition of gas displacement rate, freshness etc., oxygen permeability and/or carbon dioxide permeability, the particularly oxygen permeability of the film (oxygen permeability control film) by will covering the oxygen detecting agent body are adjusted to setting, can make the change color condition changing of oxygen detecting agent, like this, just can be easily and judge the freshness (quality guarantee period) of the poultry meat of giving birth to exactly.
The food that other can carry out with the same freshness management of the poultry meat of above-mentioned life also has: the fish product of shrimp, crab, oyster, fish etc. (also can be generically and collectively referred to as the flesh of fish) etc.
What more than tell about is the preferred embodiments of the present invention, is 1000～3000ml/m to adopt oxygen permeability (oxygen permeability)
224hrsatm, being preferably oxygen permeability (oxygen permeability) is 1500～2500ml/m
2The freshness management that the film of 24hrsatm (oxygen permeability control film) covers the sealing of described oxygen detecting agent body the packed meal of the non-staple food that gets up, the non-staple food of packing into is example, or is 1～50ml/m to adopt oxygen permeability (oxygen permeability)
224hrsatm, preferred 5～20ml/m
2The freshness management of the poultry meat of the life of the oxygen permeability control film of 24hrsatm is illustrated for example.But, embodiments of the present invention are not limited to this, can also be with known film of following past with various oxygen permeabilities and/or carbon dioxide permeability, (example: reference＜packaging for foodstuff brief guide〉the 495th page, table 2) sealing covers the oxygen detecting agent body, realizes under various conditions the quality management at various objects.
As mentioned above, according to provided by the invention be the article quality management method of the present invention of representative with food freshness management method, be after for example food etc. is displayed on the display racks such as supermarket with article, because along with kind corresponding to its article (for example food), quality management condition and the quality stipulated keeps the passing of phase, the color of detection agent changes, with this, the food-handler) etc. consumer and article processor (example: can judge the quality of the freshness of article (food) easily, can obtain selection of goods, identification etc. standard be the method for quality control of the article of representative with food freshness management method.
In the present invention, the object article as carrying out quality management are not limited only to above-mentioned food, and also specifiable have: dried noodle, bran, spice, cake etc. can reduce the food of flavor, fragrant and local flavor because of oxidative degradation etc.; Tobaccos etc. reduce the preference of flavor because of oxidative degradation etc.; The pharmaceuticals of pharmaceuticals, especially live bacterial vaccines (example: lactic acid bacteria, vaccine), Blood Preparations or adding crude drug etc., the quality of effective component and drug effect are subjected to far-reaching pharmaceuticals such as storage life, temperature; Contain easily emulsion, and other makeups of losing the natural component etc. of perfume (or spice), look, U.S. flesh effect because of oxidative degradation; Contact lenses and detergent remover thereof, preservation liquid etc.; The quality of article or effect are subjected between storage life, the far-reaching article of temperature and oxidative degradation; Clock and watch electronic unit, precision optical machinery and utensil, jewellery haberdashery, artistic handicraft using etc. need to consider antirust parts and product etc. from keeping function and angle attractive in appearance.
According to the article quality management method that the present invention relates to, be with after article, for example food etc. are displayed on display racks such as supermarket, the passing that keeps the phase along with the quality of stipulating corresponding to the kind of food, quality management condition, the color of detection agent changes, with this, consumer and food-handler etc. can judge the freshness of food easily, and the food freshness management method that can obtain the standard of selection of goods, identification etc. is the method for quality control of the article of representative.
Especially, display before the food, the oxygen detecting agent of will be according to the kind of food, preserving the specific oxygen permeability that management condition selects is attached to the inner face places such as (the packaging bag medial surfaces isolated with air) of its packaging bag that is lowered by the oxygen content after the gas displacement, like this, just do not need to confirm one by one that manufacturing days, quality on the food pack keep labels such as time limit, food control person as consumer (buyer) or supermarket also can grasp freshness of food etc. simply, can reduce by the danger of misidentification quality.
According to the present invention, the method for quality control of the article that can be applicable to above-mentioned food freshness management method etc. can be provided, can bring into play the oxygen detecting agent of above-mentioned functions.
Embodiment:
Below, further specifically describe the present invention according to embodiment, but the present invention is not subjected to any qualification of related embodiment.
The oxygen detecting agent a of the freshness management usefulness of the packed meal of the non-staple food and the non-staple food of packing into etc.
(1) oxygen detecting agent body: make base material (carrier) soak into, keep oxidation-reduction type pigment methylenum careuleum to obtain.
(2) oxygen permeability control film (film): oxygen permeability (oxygen permeability) is 2000ml/m
2The polypropylene of 24hrsatm (OP)/tygon (PE) lamination of transparent film.
(3) preparation method of oxygen detecting agent: allow hydroscopicity thin paper shape carrier sticking reducing substances glucose, alkali metal compound potassium hydroxide and be reduced the inferior potassium indigo plant of oxidation-reduction type pigment and the red aqueous solution of the food that contains the irreducibility pigment as required of type material reduction, the thin slice that the back that is dried obtains is enclosed in the above-mentioned transparent membrane (oxygen permeability control film).
(4) size of oxygen detecting agent: long 43mm * wide 30mm * thick 0.5mm.
The oxygen detecting agent a-1 of the freshness management usefulness of the packed meal of the non-staple food and the non-staple food of packing into etc.
Except replacing above-mentioned, " hydroscopicity thin paper shape carrier " in preparation method's's (method for making) (3) of the oxygen detecting agent of the oxygen detecting agent among the oxygen detecting agent a of the freshness management usefulness of the packed meal etc. of the non-staple food and the non-staple food of packing into the step and having used beyond the silica gel, the manufacturing of oxygen detecting agent is identical with above-mentioned oxygen detecting agent a.
Just,
(1) oxygen detecting agent body: except that the base material this point, (1) of all the other and above-mentioned oxygen detecting agent a is identical.
(2) oxygen permeability control film: identical with above-mentioned oxygen detecting agent a (2).
(3) preparation method of oxygen detecting agent: allow silica gel sticking reducing substances glucose, alkali metal compound potassium hydroxide and be reduced the oxidation-reduction type pigment methylenum careuleum of type material reduction and contain the red aqueous solution of food of irreducibility pigment as required, particle and Powdered thing that the back that is dried obtains are enclosed in the above-mentioned transparent membrane (oxygen permeability control film).
(4), the size of oxygen detecting agent: identical with above-mentioned oxygen detecting agent a (4).
The oxygen detecting agent b of the poultry meat freshness management usefulness of giving birth to
(1), oxygen detecting agent body: be to make base material soak into the object of oxidation-reduction type pigment methylenum careuleum etc.
(2), oxygen permeability control film: oxygen permeability (oxygen permeability) is 10ml/m
2The Polyethylene Terephthalates of 24hrsatm (PET)/polypropylene fine (PAN) laminated film.
(3), the preparation method of oxygen detecting agent: identical with above-mentioned oxygen detecting agent a (3).
(4), the size of oxygen detecting agent: long 43mm * wide 30mm * thick 0.5mm.
The oxygen detecting agent b-1 of the freshness management usefulness of the poultry meat of giving birth to
Except " the hydroscopicity thin paper shape carrier " in the preparation method's (3) of the oxygen detecting agent that replaces the oxygen detecting agent in the oxygen detecting agent b of the freshness management usefulness of the poultry meat of giving birth to the step, and used beyond the silica gel, the manufacturing of oxygen detecting agent is identical with above-mentioned oxygen detecting agent b.
Just,
(1) oxygen detecting agent body: except that base material a bit, identical with above-mentioned oxygen detecting agent b (1).
(2) oxygen permeability control film: identical with above-mentioned oxygen detecting agent b (2).
(3) preparation method of oxygen detecting agent: allow silica gel sticking reducing substances glucose, alkali metal compound potassium hydroxide and be reduced the inferior potassium indigo plant of oxidation-reduction type pigment of type material reduction and contain the red aqueous solution of food of irreducibility pigment as required, particle and Powdered thing that the back that is dried obtains are enclosed in the above-mentioned transparent membrane (oxygen permeability control film).
(4), the size of oxygen detecting agent: identical with above-mentioned oxygen detecting agent b (4).
Embodiment 1
The freshness management of the packed meal of the non-staple food and the non-staple food of packing into etc.
At room temperature, produce the packed meal (polystyrene containers, thick 100 μ m, commercially available product) that non-staple food is housed after, with above-mentioned oxygen detecting agent a, be to be 2000ml/m with oxygen permeability
2The oxygen detecting agent body that the OP/PE lamination of transparent diaphragm seal of 24hrsatm covers is in the container of packing into, to using nitrogen (N in the container
2) and carbon dioxide (CO
2) mixed gas (example: N
2/ CO
2(mixed volume ratio)=1.0/1.0) carries out gas displacement, and, with film (oxygen infiltration: 10ml/m
224hrsatm, 80 μ m are thick, nylon (R)/tygon laminated film, commercially available product.) the sealing covering.
With the oxygen concentration of gas displacement after two hours in oxymeter (manufacturing of East レ エ Application ジ ニ ヤ リ Application グ (strain) company) measuring vessel (plastic containers), oxygen concentration at that time is 0.2%, and the color of oxygen detecting agent is a pink colour.
Next, under room temperature (20 ℃), above-mentioned food storage same with the display rack in supermarket, had keeping on the shelf of 1000 lux brightness.
After through quality guarantee period (making back 2 days) of packing box that non-staple food is housed, the oxygen concentration in container reaches the 2nd day after 1.0% the manufacturing, and the color that sticks on the oxygen detecting agent of upper surface (lid face) in the container has become blue look by red stain.
According to this variable color, the consumer can very easily judge the freshness of food.And the food of this moment is unusual for not having in appearance, still edible state.
Embodiment 2
The freshness management of the food such as poultry meat of giving birth to
After being divided in 20 packaged portions (polystyrene containers body, thick 100 μ m) according to each 500g 10 kilograms beef, carried out shrink-wrap with film (Polyvinylchloride antistaling film, commercially available product).Then, to be distributed into the state of poultry meat combination of the life of packaged portions,, be to be 10ml/m with oxygen permeability with above-mentioned oxygen detecting agent b with each
2The oxygen detecting agent body that the PET/PAN lamination of transparent diaphragm seal of 24hrsatm covers, (oxygen permeability is 10ml/m with packaging bag in the external packing of packing into
224hrsatm, 100 μ m are thick, nylon/tygon (PE) laminated film, commercially available product), also put into deoxidizer in this external packing simultaneously in packaging bag as required, will apply mechanically outward in the packaging bag, with carbon dioxide (CO
2) gas displacement, with the overcoat packaging bag after the displacement of oxymeter (manufacturings of East レ エ Application ジ ニ ヤ リ Application グ (strain) company) measurement gas interior oxygen concentration, oxygen concentration at that time is 0.01%.
Next, under 0 ℃, in the refrigerator of dark, this poultry meat that is installed into the life in the container was taken care of 40 days, therebetween, the color of oxygen detecting agent is a pink always.
Then, take out the poultry meat that is installed into the life in the container from refrigerator, living poultry meat is removed in cut-out applies mechanically packaging bag outward, to be divided into packaged portions, and in the poultry meat that the outside surface of this packing (outside surface of the packaged portions that directly contacts with air within doors) has been pasted the life of oxygen detecting agent is placed on food display rack (storehouse) with supermarket etc., keep 3 days under the environment of same 6 ℃ of the temperature of temperature, brightness 1000 luxs.
At the oxygen detecting agent that paste the poultry meat outside of the life of packaged portions, when just having displayed in the food display rack (storehouse) under 6 ℃ temperature pink.
The poultry meat that will be divided into the life of inner wrapping remains in the food display storehouse of 6 ℃ of temperature, by the 3rd day, has become blue look with the oxygen of (in the air) around oxygen detecting agent that air directly contacts has absorbed.
Become the 3rd day of blue look at oxygen detecting agent,, checked the perfume (or spice), look, flavor of inner meat etc., all do not found any unusual the packing Kaifeng of the poultry meat of giving birth to.
And then, with this oxygen detecting agent b, the outside of continuing to stick on packing thereafter, with above-mentioned 1000 identical lux brightness under, when being placed on the food display rack, see the blue look shank color of methylenum careuleum thereupon, become the blushing tendency of the tone of the Food Red that oxygen detecting agent contains.
Embodiment 3
The freshness management of the food such as poultry meat of giving birth to
Except the oxygen detecting agent b among the replacement embodiment 2, and use outside the oxygen detecting agent b-1, other are identical with embodiment 2.
Its result sticks on the oxygen detecting agent b-1 of the poultry meat outside of the life that is divided into packaged portions, is pink when just having displayed in the food display rack (storehouse) of 6 ℃ temperature.
The poultry meat that will be divided into the life of packaged portions remains in 6 ℃ the temperature in food display storehouse, by the 3rd day, has become blue look with the oxygen of (in the air) around oxygen detecting agent that air directly contacts has absorbed.
Become the 3rd day of blue look at oxygen detecting agent,, checked the perfume (or spice), look, flavor of inner meat etc., do not found any unusual the packing Kaifeng of the poultry meat of giving birth to.
And then, thereafter, the outside that this oxygen detecting agent b-1 also continues to stick on packing (container), under above-mentioned 1000 identical lux brightness, when being placed on the food display rack, different with the situation of using the foregoing description 2 described oxygen detecting agent b, begin by the 4th～5 day from display, the blue tone of methylenum careuleum is shank color not yet.
Claims (10)
1, a kind of method for quality control of article, it is characterized in that: the oxygen detecting agent of article with the sensitivity of the regulation with kind corresponding to article, quality management condition made up, the passing of utilization during corresponding to the regulation of the kind of article, quality management condition, described oxygen detecting agent detects the oxygen concentration that is immersed in this oxygen detecting agent, variable color takes place, thereby carries out the quality management of article.
2, article quality management method according to claim 1, it is characterized in that: the combination of described article and the oxygen detecting agent of the sensitivity of the regulation with kind corresponding to article, quality management condition is placed on the deoxidizer of not packing into, by in the air-tight package bag of gas displacement.
3, according to the arbitrary described article quality management method of claim 1 to 2, it is characterized in that: described oxygen detecting agent covers this body by oxygen detecting agent body and sealing, and has the oxygen permeability of regulation of kind corresponding to article, quality management condition and/or the film of infiltration rate of carbon dioxide constitutes.
4, according to the arbitrary described article quality management method of claim 1 to 3, it is characterized in that: described article mean food, and the quality of the article that should manage is the freshness of food.
5, according to the arbitrary described article quality management method of claim 2 to 4, it is characterized in that: described gas displacement is by the air in the eliminating air-tight package, and the importing inactive gas carries out.
6, article quality management method according to claim 4 is characterized in that: described food is 1 or the food of selecting from non-staple food, Japanese cake, western-style cake more than 2 kind and 2 kinds.
7, article quality management method according to claim 4 is characterized in that: described food is 1 or the food of selecting among poultry meat, the flesh of fish more than 2 kind and 2 kinds.
8, a kind of oxygen detecting agent, it is characterized in that: described oxygen detecting agent covers this body by oxygen detecting agent body and sealing, has corresponding to the oxygen permeability of the regulation of the kind that should carry out the article of quality management, quality management condition and/or the film of carbon dioxide permeability to constitute.
9, oxygen detecting agent according to claim 8, it is characterized in that: in described oxygen detecting agent, be equipped with colour table, described colour table and this oxygen detecting agent one or split constitute, color, the expression that has the A-stage of expression oxygen detecting agent before oxidation at least simultaneously maybe should begin latter stage quality guarantee period the color of the state of freezing preservation, as required represent quality keep the color of the state in the time limit and respectively with above-mentioned corresponding mark and the colour code that shows simultaneously.
10, according to Claim 8 to 9 arbitrary described oxygen detecting agents, it is characterized in that: described oxygen detecting agent body is that to make porous inorganic be that oxide soaks into oxygen and detects constituent solution, carries out dry gains as required.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003031409 | 2003-02-07 | ||
| JP031409/2003 | 2003-02-07 | ||
| JP392517/2003 | 2003-11-21 |
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| CN1748142A true CN1748142A (en) | 2006-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480003761 Pending CN1748142A (en) | 2003-02-07 | 2004-02-05 | Quality control method for article and oxygen detecting agent for use therein |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393132B (en) * | 2007-09-21 | 2010-09-15 | 保德科技股份有限公司 | Oxygen detector sheet and composite deoxidizer having oxygen detector sheet |
| CN102053087A (en) * | 2009-10-28 | 2011-05-11 | 保德科技股份有限公司 | Oxygen detector and method for manufacturing oxygen detector |
| EP2768737A4 (en) * | 2011-10-20 | 2015-10-28 | Alliance One International Inc | VACUUM PACKAGING METHOD AND DEVICE FOR TOBACCO |
| CN109738374A (en) * | 2019-01-29 | 2019-05-10 | 云南中烟工业有限责任公司 | A kind of prediction technique of gum base type chewing tobacco shelf life |
-
2004
- 2004-02-05 CN CN 200480003761 patent/CN1748142A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393132B (en) * | 2007-09-21 | 2010-09-15 | 保德科技股份有限公司 | Oxygen detector sheet and composite deoxidizer having oxygen detector sheet |
| CN102053087A (en) * | 2009-10-28 | 2011-05-11 | 保德科技股份有限公司 | Oxygen detector and method for manufacturing oxygen detector |
| CN102053087B (en) * | 2009-10-28 | 2014-07-02 | 保德科技股份有限公司 | Oxygen detector and method for manufacturing oxygen detector |
| EP2768737A4 (en) * | 2011-10-20 | 2015-10-28 | Alliance One International Inc | VACUUM PACKAGING METHOD AND DEVICE FOR TOBACCO |
| US10065752B2 (en) | 2011-10-20 | 2018-09-04 | Alliance One International, Inc. | Vacuum packing methods and apparatus for tobacco |
| CN109738374A (en) * | 2019-01-29 | 2019-05-10 | 云南中烟工业有限责任公司 | A kind of prediction technique of gum base type chewing tobacco shelf life |
| CN109738374B (en) * | 2019-01-29 | 2022-07-01 | 云南中烟工业有限责任公司 | Method for predicting shelf life of gum-based chewing tobacco |
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