CN1351562A

CN1351562A - Packaging method and package for preserving and/or cooking or heating food products

Info

Publication number: CN1351562A
Application number: CN00807869A
Authority: CN
Inventors: 菲利普·博菲尔斯
Original assignee: Groupe Guillin SA; Sealed Air Corp
Current assignee: Groupe Guillin SA; Sealed Air Corp
Priority date: 1999-05-21
Filing date: 2000-05-19
Publication date: 2002-05-29
Anticipated expiration: 2020-05-19
Also published as: HUP0105117A2; NO20014069L; DE60000105T2; NZ514665A; MXPA01011879A; CA2373349A1; CZ20012893A3; EP1053944A1; BR0011598A; ZA200106925B; EE200100614A; FR2793771A1; HUP0105117A3; AU4765100A; CN1134368C; FR2793771B1; WO2000071421A1; IL146590A0; EP1053944B1; AU773831B2

Abstract

The invention relates to packaging for preserving and/or cooking or heating fresh food products, such as, for example, uncooked or pre-cooked vegetables or ready-cooked dishes, comprising a hermetically sealed packaging wherein said food products 8 are set, said packaging including a container or tray 1 comprising a base 2 and a false base 3 provided with perforations 4 arranged above and spaced away from said base 2 and a plastic film 9 covering the container and sealed on said container. The invention is characterised in that it further comprises a moistened saturating or humidifying pad 7, placed in the space E provided between the base 2 and the false base 3 of said container 1.

Description

Packing method and be used for food preservation and/or culinary art or again the heating packing

Technical field

The present invention relates to a kind of packing method, and be used for food preservation and/or culinary art or the packing of heating again.In concrete (yet restrictive by no means) used, the method according to this invention and packing were used to make preservation that for example give birth to or the food that all fresh provisionss such as uncooked vegetables or fruit or various culinary art are good and utilize micro-wave oven by the culinary art of saturated steam or be heated as possibility again.

Background technology

Fresh or uncooked vegetables or fruit such as some, or a large amount of food of some dishes of cooking dress dishes are installed in synthetic material and for example sell in the plate that is coated with Collapsible strainer of manufacturing such as polyethylene, if desired, have the directions for use of in micro-wave oven, it being cooked or the method for heating again instructs.

The mode of this packing has two shortcomings at least, that is:

If the plate of-this product is not kept at respect under the optimum condition of temperature and humidity, just exist food to quicken anh danger;

-there is dry too early danger in being placed on micro-wave oven the time, this causes soft property, organoleptic quality and the vitamin variation of food.

For for example meat, the packing of fresh provisionss such as fish and preservation, a kind of device (EP-701995A, EP-732275A) known, it is used to make liquid to ooze out, this liquid promotes the propagation of the bacterial flora of edible phase of limiting permission, this device is by a plate, an absorption pad and possible for example regenerant formation of other reagent, this plate is by the synthetic material manufacturing, the false end that comprises impermeable substrate and be arranged on the substrate and isolate with it with eyelet, this absorption pad is arranged on described substrate and at described the false end, this absorption pad comprises and is used to suppress the secretory chemical inhibitor of food, and this other reagent can change the closed atmosphere of described food according to the secretion of food.

Though such device can solve from for example handling problem of the exudate of animal-derived foods such as internal organ, sliced meat, fish, but it can not solve the preservation of fresh vegetables for example, food such as half-blank that culinary art is good and/or the relevant foregoing problems of the generation with these food-dewaterings by the culinary art of saturated steam or heating again (by putting it into culinary art preparation of micro-wave oven or the like).

Summary of the invention

So, the objective of the invention is to solve this particular problem.

According to the present invention, this purpose reaches by means of a kind of packing method and packing, in view of the above, food is stored in a kind of hermetically enclosed packing that comprises container or plate, this container or plate have the substrate that can not soak into and the pertusate false end that is placed in this substrate and isolates with substrate are set, and be placed on described substrate and be immersed in drenched or wetting pad in the water at described the false end, this pad can contain or not contain adding inorganic agent wherein, and this container or plate are bonded in the synthetic material membrane closure around the described container.

According to another feature of the present invention, packing, promptly plate and closing membrane are used microwave and the material that can resist the heat of micro-wave oven release in the use are made.

The method according to this invention and packing have some advantages:

-in the fresh provisions packing with in the period between consuming, method of the present invention and packing have been avoided the acceleration drying of fresh provisions;

-method of the present invention and be packaged on the useful life of packaged food obvious improvement is provided because in this container abiogenesis according to the adjusting (oxygen+water+light) of photosynthesis principle;

-method of the present invention and packing allow fast speed culinary art or heating again, and do not make for example be packaged into 50 grams to fresh, that give birth to, the culinary art of 1 kilogram of portion or culinary art after food-dewatering;

-method of the present invention and packing make the better preservation might realize aesthetic quality, vitamin and taste that food is had.

Description of drawings

From following description and accompanying drawing, above and other purpose of the present invention, that feature and advantage will become will be more clear, wherein:

Fig. 1 is the longitudinal cross-section of packing constructed in accordance and half view of up-sizing; And

Fig. 2 is along the plane of the line 2-2 of Fig. 1 and the part broken away view on the cross-sectional plane.

The specific embodiment

With reference to exemplifying embodiment and the packing embodiment (yet by no means restrictive example) of described accompanying drawing description according to packing method of the present invention.

In the following description, when speech " packing " need not be expressed as the complement of noun of " packing method ", one of its expression was by packing and be included in the article of food composition wherein.

This packing comprises a container or plate 1, and this container or plate have by preferred fluid-tight substrate 2 and be arranged in this substrate and the false end 3 that isolates of substrate forms therewith.The false end 3, be provided with a plurality of for example circular holes 4, and this hole regularly at interval and be dispersed on the whole surface at the described false end.

Container 1 is for example formed by the double shells of the inner casing 6 that comprises a shell 5 and a smaller szie, and this shell 5 comprises substrate 2, and this inner casing 6 comprises that the pertusate false end 3 and coupling are in described shell 5.

In view of method of the present invention and be packaged in will with microwave oven cooking or again the heating the food scope on application, in illustrated embodiment, plate 1, and correspondingly shell 5 and inner casing 6, can make with the material of any heat that microwave, waterproof and micro-wave oven that ability is used for cooking are discharged in its use (promptly specifically equal 100 ℃ add at least pine for), this heating does not cause that the distortion of shell or food or water that its composition contains migrates in packing.For example, this shell is by any food quality that meets above-mentioned requirements, synthesize, semi-rigid material, for example polypropylene (PP) Heat forming.

Shell 5 and inner casing 6 can be firmly bonding each other by any suitable method, for example by means of heat bonding operation in the upper edge of described shell surrounding wall, or bottom it, in this case, in the shell comprises making becomes possible rib at interval between this bonding and described

end

2 and 3.

In known mode, the

shell

5 and 6 that constitutes rigidity plate or container 1 itself can comprise that rib is to provide rigidity.

In substrate 2 and the interval E at the false end 3, a drenched or wetting pad 7 is set, preferably occupy all or nearly all described interval.

These wetting pad 7 usefulness one decks sponge material under water is made, for example the absorption-type layer of food quality.This spongy layer can be made with the adhesive-bonded fabric of the fiber of plant, animal or synthetic source.Advantageously, the weight of the described pad under the state of steep water is not big 40 to 60 times for the volume ratio of the water of possessing in the wetting pad.

The water of dipping sponge material layer can add the wherein at least a reagent that is used to handle the food 8 that contains in the packing 1-9, for example antistaling agent, seasoning reagent chemistry or natural etc.By by the hot adhesion on the periphery of described plate upper limb for example and fixing hyaline membrane 9, be contained in this container or the plate 1 such as fresh provisionss 8 that give birth to or uncooked vegetables or fruit, half-blank that culinary art is good etc.This hyaline membrane can be with any synthetic material manufacturing, this material has packing production and food cooking or heats required quality again, for example to the ability of the transparency, elasticity, extension and the contraction of light and microwave, with the tolerance of the conformability of food regulations, the pressure that produces to the tolerance of microwave rejected heat, to steam in the container in the cooking process, to the penetrablility of air (allow fresh provisions under the situation of direct contact ambient air not, to breathe, make them do not suffocated and do not degenerate prematurely) etc.

For example, hyaline membrane 9 can be made by polyethylene or polyethylene terephthalate (PET), more properly and more preferably by the transparent collapsible polyolefin manufacturing of the multiple-structure with mutual extrusion.

Before entering retail network, packing constructed in accordance is adorned industrial builder's preparation of dish by wholesale dealer that give birth to or uncooked vegetables or fruit or the good dish of culinary art, so, the food of packing like this is consistent being saved in by till the consumption in the certain humidity environment, and this humidity has delayed the dry run of described food.

On the other hand, put into micro-wave oven so that the food that wherein holds can cook or heat the time when packing, the water that lies in the drenched or wetting pad 7 changes steam rapidly into.This steam is overflowed through the hole at the false end 3 that is arranged on container 14, and occupies the whole volume that described container and airtight film 9 are determined.

So the principle of microwave cooking acts on contain in solid food and the packing box waterborne simultaneously, produce the ideal conditions of cooking or heating again, so avoided the dehydration of described food by saturated steam.

Cause any excessive pressure of the intentional deformation of container in the cooking process, a hole 10 is set on airtight film 9.This hole is made in the production process of packing.Contact with any of ambient air for fear of food, after packing is produced, on this hole, be stained with the connector or the label 11 of separable, leak free, food quality, to seal described hole.Before packing was put into micro-wave oven, this separable sealing connector was removed by the customer.

Claims

1. for example be used for the preservation of the good dish dress dish of fresh provisions that give birth to or uncooked vegetables or fruit or culinary art and/or culinary art or the packing method of heating again, in view of the above, described food (8) is contained in the hermetically enclosed packing, this packing is by forming with the lower part: be container or plate (1) on the one hand, it comprise substrate (2) and be provided with hole (4) be placed in the described substrate and with the false end (3) of described substrate isolation; And be the synthetic material coverlay (9) that is bonded on the described container (1) on the other hand, it is characterized in that, be immersed in drenched or wetting pad (7) in the water and be placed at the bottom of this substrate (2) of described container (1) bottom container and this vacation between (3) in the interval (E) of formation.

2. for example be used for the preservation of the good dish dress dish of fresh provisions that give birth to or uncooked vegetables or fruit or culinary art and/or culinary art or the packing of heating again, comprise the hermetically enclosed packing that contains described food (8), this packing is by forming with the lower part: be container or plate (1) on the one hand, it comprise substrate (2) and be provided with hole (4) be placed in the described substrate (2) and with the false end (3) of described substrate isolation; And be on the other hand cover this container and the inside thereof article and be bonded in synthetic material membrane (9) on the described container, it is characterized in that, it also comprises the drenched or wetting pad (7) that is immersed in the water, and this pad is placed in the interval (E) that provides between (3) at the bottom of this substrate (2) of described container (1) and this vacation.

3. technology of the package as claimed in claim 1 is characterized in that, closing membrane (9) is provided with hole (10), and this hole is by the sealing of separable sealing connector or label (11), and this connector or label can be removed before packing is put into micro-wave oven.

4. packing as claimed in claim 2 is characterized in that, the element of packing (1, the 9) material manufacture of the heat that micro-wave oven microwave and anti-is discharged.

5. packing as claimed in claim 2 is characterized in that, this closing membrane (9) is provided with by separable sealing connector or label (11) osed top hole (10), and this connector or label can be removed before described packing is put into micro-wave oven.

6. as claim 2 or 4 described packings, it is characterized in that its container (1) is by for example polypropylene (PP) manufacturing of synthetic material.

7. as claim 2,4 or 6 described packings, it is characterized in that this closing membrane (9) is made by polyethylene or polyethylene terephthalate (PET).

8. as claim 2,4 or 6 described packings, it is characterized in that this closing membrane (9) is by the transparent collapsible polyolefin manufacturing of the multiple-structure with mutual extrusion.

9. packing as claimed in claim 2 is characterized in that, this drenches or wetting pad (7) is formed by the sponge material layer.

10. as claim 2 or 9 described packings, it is characterized in that the water that floods this drenched or wetting pad (7) contains at least a reagent that is used to handle the food (8) that contains in the packing, for example chemistry or natural seasoning reagent.