CN101926504A - A kind of cigarette quality control method - Google Patents
A kind of cigarette quality control method Download PDFInfo
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- CN101926504A CN101926504A CN201010019222XA CN201010019222A CN101926504A CN 101926504 A CN101926504 A CN 101926504A CN 201010019222X A CN201010019222X A CN 201010019222XA CN 201010019222 A CN201010019222 A CN 201010019222A CN 101926504 A CN101926504 A CN 101926504A
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Abstract
The invention discloses a method for controlling the quality of a cigarette. The method is characterized by comprising the following steps of: detecting the environmental temperature, the humidity and the air pressure condition of the production region and the sales region; computing the different value of the detected data; and adjusting the physicochemical data in the prescription of the cigarette according to the computed different value. The physicochemical data comprises the cigarette tar content, the total grain phase object content (TPM) in the exhaust gas, the PH value of the exhaust gas and the moisture content. The method adjusts the prescription of the cigarette according to the influence value of the regional environment to the cigarette tar content, the total grain phase object content (TPM) in the exhaust gas, the PH value of the exhaust gas and the moisture content, leads the cigarette to keep the organoleptic quality of the basic consistency of the production region and the sales region, and guarantees that the produced cigarette has the coincident organoleptic smoking quality under the different region environments.
Description
Technical field
The invention belongs to tobacco quality control technology field, be specifically related to a kind of method for controlling quality of cigarette.
Background technology
Find by a large amount of investigation, detect and the later cigarette that dispatches from the factory of smokeing panel test that sell different regions, variation in various degree can take place usually for quality during smoking property of cigarette and organoleptic quality according to industry standard.
Understand through research, area of consumption zones of different environmental factor has produced appreciable impact to smoke chemistry characteristic and cigarette organoleptic quality, and existing industry standard lacks the examination criteria regulation of correlative factor in the cigarette context of detection, the quality testing of cigarette is carried out on production of cigarettes ground usually, be difficult to guarantee the Domain Stability of cigarette quality and the style and features of grown place, this point has become a key technology difficult problem and the technical bottleneck that the domestic cigarette brand of restriction is further run business big and strong.
Summary of the invention
The objective of the invention is deficiency, a kind of method for controlling quality of cigarette is provided at existing tobacco product smoke chemistry characteristic and cigarette aesthetic quality control technology.
Purpose of the present invention is achieved by following technical proposals:
A kind of method for controlling quality of cigarette is provided, comprise grown place and market zone environment temperature, humidity, air pressure conditions detection, detect data difference and calculate and adjust physicochemical data in the cigarette composition according to the difference of calculating.
Described physicochemical data comprises TPM content (TPM), flue gas pH value and moisture in cigarette tar content, the flue gas.Evaluation and test by the aesthetic quality is evaluated final mass.
Described method of quality control may further comprise the steps:
(1) measures temperature, humidity, air pressure and the height above sea level condition of producing territorial environment; Measure temperature, humidity, air pressure and the height above sea level condition of selling territorial environment; Wherein air pressure and height above sea level condition are as a reference;
(2) TPM content (TPM), flue gas pH value and determination of moisture in grown place cigarette tar content, the flue gas;
Wherein, measure cigarette TPM according to the method for GB/T19609-2004 regulation; According to nicotine and the moisture in the method mensuration main flume of YC/T156-2001 and YC/T 157-2001 regulation; The detection method of calculating existing tobacco business regulations such as tar content according to GB/T19609-2004 detects.
Sensory evaluating smoking's method be the said determination laboratory other (near) indoor (under the weather conditions of gravity-flow ventilation) carry out simultaneously, smoke panel test at every turn and note performance, aroma characteristic and the flue gas characteristic of cigarette are estimated (being divided into the minimum unit of keeping the score with 1) by group's of smokeing panel test (7 or 9 people form, and personnel fix).Note performance comprises this perfume (or spice) of tobacco, fragrant and sweet, Xin Xiang, fruital, beans are fragrant and baking is fragrant; That aroma characteristic comprises is rich, fragrance matter, perfume quantity, assorted gas and the property sent out thoroughly; Flue gas characteristic comprises strength, concentration, fine and smooth degree, long sense, excitant, dry sensation, returns sweet sense and pleasant impression.
(3) grown place and the different calculating of market temperature, humidity and draught head are adjusted cigarette composition according to grown place and market temperature, the gentle pressure difference of humidity, and wherein the air pressure difference as a reference.
Concrete method of adjustment is: for a kind of cigarette, 2.5 ℃ of every risings of temperature and the every increase by 8.0% of humidity, adjustment prescription make tar content in cigarette reduction by 0.5～1.5mg/ prop up, make cigarette TPM reduction by 0.4～1.3mg/ to prop up, make cigarette moisture to reduce the pH value raising 0.2～0.6 that 0.1～0.4mg/ propped up, made cigarette smoke.
Preferably, for with a kind of cigarette, 2.5 ℃ of every risings of temperature and the every increase by 8.0% of humidity, adjustment prescription make tar content in cigarette reduction 0.9mg/ prop up, make cigarette TPM reduction 0.85mg/ to prop up, make cigarette moisture to reduce the pH value raising 0.4 that 0.25mg/ propped up, made cigarette smoke.
Concrete adjustment compounding method can be achieved with reference to this area production method and technical staff's experience.
The invention has the beneficial effects as follows: by studying same cigarette product physical and chemical index and sensory evaluating smoking result's under the zones of different environmental factor variation tendency, thereby form the regional formula technique scheme of a cover; Especially by regional environment the influence value of TPM content (TPM), flue gas pH value and moisture in cigarette tar content, the flue gas is adjusted cigarette composition, make cigarette keep the organoleptic quality of grown place and market basically identical, guarantee the uniformity of cigarette product sensory evaluating smoking's quality under the zones of different environment of being produced, thereby guarantee the quality control of cigarette in the zones of different quality.
Description of drawings
The content ratio of flavor component in the main flume of fragrance component and A ground mensuration in the main flume that Figure 1B ground is measured
Fragrance component content ratio in the main flume of fragrance component and A ground mensuration in the main flume that Fig. 2 C ground is measured
Fragrance component content ratio in the main flume of fragrance component and A ground mensuration in the main flume that Fig. 3 D ground is measured
The specific embodiment
Further describe the present invention below in conjunction with the drawings and specific embodiments.The embodiment of the invention is that the grown place describes with one of the production of cigarettes base of Guangdong China Tobacco Industry Co.,Ltd A ground, but does not therefore limit practical range of the present invention.
Determining of embodiment 1 quality control condition
Material, reagent and instrument:
(1) material: domestic certain brand Virginian-type cigarette; The 44mm cambridge filter; 0.45 μ m organic facies miillpore filter.
(2) reagent: carrene (chromatographically pure, German Dr company); Isopropyl alcohol (chromatographically pure, German Dr company); Ethanol (chromatographically pure, German Dr company); Heptadecane (German Dr company); Nicotine (German Dr company).
(3) instrument: HP6890 type gas-chromatography/HP5973 GC-MS (U.S. Agilent company); Linear pattern smoking machine (Britain CERULEAN company); Rotary distillation evaporimeter RE-52AA (going up Hai'an booth laboratory apparatus Co., Ltd); PHS-3C acidometer (Shanghai generation justice precision instrument Co., Ltd); Kang Shi oscillator (Jintan City China peak Instr Ltd.); CP2245 electronic balance (sensibility reciprocal 0.0001g, German Sartorius company); DYM3-01 numeral large barometer (Chinese and Western, Beijing instrument company), DST-RH humiture recorder (assistant lattice micro-system Co., Ltd).
In order to investigate of the influence of zones of different environment to the cigarette organoleptic quality, Guangzhou (A), Anyang (B), Shenyang (C), Yuxi (D) four cities in the same quarter, have been chosen as the testing site, to test cigarette and carry out sensory evaluation respectively on A, B, C and D ground, and with the evaluation result on A ground as basic reference, comparative analysis the test cigarette in aesthetic quality's situation of change in other 3 cities, the temperature in four cities, humidity and air pressure are shown in Table 1.
Different four the urban environment situations of table 1 the same quarter
The previous day is closed the smoking air conditioner in machine room in test, and the ventilation of windowing is spent the night, and guarantees that second day indoor temperature and humidity is with extraneous identical.Adjust the wind speed of smoking machine, all the other suction parameters are identical with standard environment, and each filter disc captures the granule phase substance of 5 cigarette, and write down temperature, humidity and atmospheric pressure in the test process with thermometer, hygrometer and barometer.
During suction, the sensory evaluating smoking of cigarette carries out simultaneously at indoor near the laboratory (under the weather conditions of gravity-flow ventilation), smoke panel test at every turn and note performance, aroma characteristic and the flue gas characteristic of cigarette are estimated (being divided into the minimum unit of keeping the score with 1) by group's of smokeing panel test (7 or 9 people form, and personnel fix).Note performance comprises this perfume (or spice) of tobacco, fragrant and sweet, Xin Xiang, fruital, beans are fragrant and baking is fragrant; That aroma characteristic comprises is rich, fragrance matter, perfume quantity, assorted gas and the property sent out thoroughly; Flue gas characteristic comprises strength, concentration, fine and smooth degree, long sense, excitant, dry sensation, returns sweet sense and pleasant impression.
Regional environment the results are shown in Table shown in 2 the influence of cigarette organoleptic quality.
Compare the aesthetic quality situation of change of test cigarette in zones of different table 2 and A
The test cigarette is the sensory evaluation result under the zones of different environment show, with A compare, the organoleptic quality of cigarette on B and C ground all has the trend of variation, especially excitant and fine and smooth degree aspect are comparatively obvious, the organoleptic quality of cigarette on D ground has the trend of improvement, but the flue gas note form of expression changes to some extent, and Xin Xiang weakens, and fruital increases.
On the basis of above-mentioned smoking result, carry out the experiment that same brand experiment cigarette smoke TPM, nicotine, tar, moisture, pH value are influenced by the regional environment factor relation.
Measure cigarette TPM according to the GB/T19609-2004 method; According to nicotine and the moisture in YC/T 156-2001 and the YC/T 157-2001 method mensuration main flume; Calculate tar content according to GB/T19609-2004.
The mensuration of the pH value of main flume granule phase substance: capture the flue gas granule phase substance with the 44mm cambridge filter, every filter disc captures 3 cigarette, inhales and finishes, take out filter disc, clean the cigarette clamper with absorbent cotton, absorbent cotton and cambridge filter are put into conical flask in the lump, adding adjusting pH value is 7 distilled water 100mL, the jam-pack lid, vibration 30min, static 15min measures with pH S-3C type acidometer, carry out replica test 3 times, the averaging of income value is as final measurement result.
The measurement result of zones of different environment main flume conventional chemical index is shown in Table 3.
The test result of table 3 zones of different environmental test cigarette mainstream flue gas conventional chemical index
Can be found out intuitively that by table 3 cigarette aspirates in higher temperature and humidity environment, the tar content of main flume is higher, and the pH value is lower, aspirates in lower temperature and humidity environment, and the tar content of main flume is lower, and the pH value is higher.In two close zones of temperature humidity, tar content is subjected to effects of air pressure, and along with the reduction of air pressure, tar content obviously reduces, and the pH value obviously raises.
Flavor component is subjected to the experiment that the regional environment factor relation influences in the flue gas
Cambridge filter is put into triangular flask, mark aqueous isopropanol in the n-heptadecane of the carrene of adding 20mL and the 0.481mg/mL of 100 μ L, at Kang Shi oscillator vibration 30min, behind the static 15min, extract is transferred in the concentrated bottle, is concentrated into 1mL, use the membrane filtration concentrate to chromatogram bottle, carry out replica test 5 times, the averaging of income value is as quantitative result.
GC/MS condition: chromatographic column: HP-FFAP (50m * 200 μ m i.d. * 0.32 μ m d.f.) vitreous silica capillary column; Injector temperature: 270 ℃; Carrier gas: He, 1mL/min; Sample size: 2 μ L, split ratio 20: 1; Heating schedule: since 60 ℃, per minute raises 3 ℃, is warming up to 240 ℃ in half an hour, promptly
(30min); Transmission line temperature: 250 ℃; Ionization mode: EI; Ionizing energy: 70eV; Ion source temperature: 230 ℃; Quadrupole rod temperature: 150 ℃; Sweep limits: 40～380amu; Solvent delay: 7min.
Qualitative and quantitative analysis
(1) qualitative: as to determine its chemical composition with chem workstation retrieval Nist05 and Wiley standard mass spectrum picture library, think credible with matching degree 〉=80.
(2) quantitative: suppose that its relative correction factor is 1, the rate of recovery is 100%, utilizes following formula to calculate:
Mi＝Ai/As·Ms
In the formula, the quality of Mi-i material, the quality of Ms-internal standard compound, the peak area of Ai-i material, the peak area of As-internal standard compound.The The qualitative analysis of flavor component is shown in Table 4 in the main flume.
Fragrance component qualitative results in the table 4 test cigarette zones of different environment main flume
In above-mentioned 92 kinds of fragrance components, selected the higher flavor component of content to utilize internal standard method to carry out semi-quantitative analysis, result such as table 5.
The quantitative analysis results of table 5 zones of different environment main flume fragrance component
With A ground is contrast, each flavor component quantitative test result in the main flume of A ground suction is considered as 1 with the test cigarette, the test cigarette is on B ground, C ground, in the main flume of D ground suction each flavor component quantitative test result respectively with A ground corresponding flavor component test result calculations ratio, ratio calculated (for example 2-picoline and 3-picoline) after the compounds content of isomer adds up each other in the same compounds, then each ratio is arranged according to the ascending order of flavor component molecular weight again, so analysis of cigarette at main flume flavor component under the zones of different environment with respect to the situation of change under the A ground environmental condition.
Accompanying drawing 1 is the result of calculation of flavor component content ratio in the main flume of flavor component and A ground mensuration in the main flume measured of B ground.From accompanying drawing 1 as can be seen, the content of low-molecular-weight flavor component generally is higher than the test result on A ground in the cigarette mainstream flue gas of B ground suction, and wherein the ratio of furfural, methylphenol and citrene is respectively 2.24,3.07 and 2.91.In the quantitative flavor component ratio of 12 kinds of compounds less than 1, the higher flavor component content of molecular weight is all a little less than the test result of A, wherein Megastigmatrienone, triacetyl glycerine, fanesol, tetradecylic acid, methyl hexadecanoate, linoleic acid, oleic acid, stearic acid, (Z, Z, Z)-9,12, the ratio of 15-18 trienic acid ethyl esters is positioned at 0.8～1 scope.
In conjunction with the assay determination result of zones of different environment flue gas conventional chemical index and flavor component as can be seen, the variation of zones of different environment cigarette smoke property and organoleptic quality mainly is owing to temperature, humidity and draught head is different causes that the difference of flue gas physicochemical property is caused.So in the quality control index of cigarette, determined grown place and the different calculating of market temperature, humidity and draught head.
Phenol compound has tangible harsh feeling and excitant, and the fragrance of flue gas is had adverse influence, and with A compare, the content of test cigarette phenol compound in the flue gas when B and C ground aspirate obviously increases.The pH value of flue-cured tobacco main flume granule phase substance has considerable influence to the flue gas excitant, when the pH of cigarette mainstream flue gas value when 6～7 scopes increase, excitant also increases, and the test cigarette mainstream flue gas the measurement result of pH value on B and C ground all be higher than A ground.Therefore, the test cigarette is in the variation of change, especially excitant and the fine and smooth degree of the flue gas aspect of B and C ground organoleptic quality, and is relevant with the increase of phenol compound content in the flue gas and flue gas pH.With A compare because the air pressure of D is lower, the tar content of cigarette obviously descends, phenol compound content does not have obvious increase in the flue gas simultaneously, when the test cigarette aspirated on D ground, excitant and fine and smooth degree all made moderate progress; The hot perfume (or spice) of test cigarette weakens on D ground, fruital strengthens, obvious increase (ratio is 3.64) with citrene content, the reduction of eugenol content (ratio is 0.82) is relevant, because citrene has sweet, fresh oranges and tangerines sample fragrance, be typical fruital fragrance matter, eugenol has the gentle hot sweet fragrance of a flower, is typical hot fragrant fragrance matter.
Find in the difference of main flume conventional chemical index, main flume flavor component content and cigarette organoleptic quality under the zones of different environment by the contrast test cigarette: 1. under higher temperature and humidity condition, tar content in cigarette increases, and flue gas pH value reduces; Air pressure reduces, and tar content obviously reduces, and flue gas pH value increases.2. under different regional environments in the cigarette mainstream flue gas content of flavor component obvious variation will take place.With A compare, the test cigarette medium and small molecule flavor component of main flume content when the suction of B and C ground generally increases, and molecule flavor component content reduces greatly; The medium and small molecule flavor component of main flume content has significant change when D aspirates, and big molecule flavor component content reduces.3. regional environment has appreciable impact to the organoleptic quality of cigarette.With A compare, the test cigarette is when aspirate on B ground, harmony improves, the excitant increase, in C ground fragrance matter, fine and smooth degree, pleasant impression and excitant variation, in all liftings to some extent of D ground overall quality, but note changes to some extent.4. the content and the flue gas pH value of phenol compound is subjected to the regional environment factor affecting closely related in zones of different test cigarette excitant and fine and smooth degree change and the flue gas, and citrene and eugenol content is subjected to the regional environment factor affecting closely related in the variation of note and the flue gas.
Adopt the long-term a large amount of index testing result analytical calculation of said method and the more different regions of basis to obtain, for with a kind of cigarette, 2.5 ℃ of every risings of temperature and the every increase by 8.0% of humidity, adjustment prescription make tar content in cigarette reduction by 0.5～1.5mg/ prop up, make cigarette TPM reduction by 0.4～1.3mg/ to prop up, make cigarette moisture to reduce the pH value raising 0.2～0.6 that 0.1～0.4mg/ propped up, made cigarette smoke.
When atmospheric pressure was high, that flue gas enriches was full, the entity sense is stronger, and atmosphere is when forcing down, and flue gas is thiner, a little less than the entity sense; The variation of smoking nicotine content is little.
Choose the cigarette 1 that A ground (grown place) produces
#Product carries out the quality control experiment.
(1) measures temperature, humidity, air pressure and the height above sea level condition of producing territorial environment;
Measure temperature, humidity, air pressure and the height above sea level condition of selling territorial environment;
Temperature, humidity and the air pressure of table 6 production region and sale territorial environment
(2) citrene and eugenol Determination on content in grown place tar content in cigarette, flue gas pH value, phenol compound content and the flue gas;
1
#Product is at A area subjective appreciation: cigarette perfume (or spice) is more plentiful, flue gas concentration is moderate, fragrance matter is better, and the property sent out is better thoroughly, and fine and smooth, long sense is medium, and excitant is little to be had, and jealous than alcohol just little have assorted gas, and strength is moderate, and pleasant impression is more comfortable.
Table 71
#Product is in the regional environment and the cigarette mainstream flue gas chemical index testing result on A ground and be sold to D ground index and change estimation
Cause is for 1
#Cigarette, employing adjustment technology scheme is as follows: 2.5 ℃ of every risings of temperature and the every increase by 8.0% of humidity, adjustment prescription make tar content in cigarette reduction 0.9mg/ prop up, make cigarette TPM reduction 0.85mg/ to prop up, make cigarette moisture to reduce the pH value raising 0.4 that 0.25mg/ propped up, made cigarette smoke.Technique scheme estimation changing value sees Table 7 according to the present invention.
Table 81
#Product is in the regional environment and the cigarette mainstream flue gas chemical index actual detected result in D area
1
#Product coincide in the regional environment in A area and cigarette mainstream flue gas chemical index testing result (shown in the table 7) and D that table 8 is shown in area actual detected result's difference and index variation estimated value.
1
#Product is in D area sensory evaluating smoking result (with in the contrast of A area): the fragrant richness of cigarette descends, and the entity sense weakens, and Xin Xiang weakens, and fruital increases, fragrance matter is good slightly, and sophistication increases, and excitant reduces, and jealous alcohol just, little have assorted gas, and strength is moderate, and flue gas concentration edges down, and pleasant impression is more comfortable.
(3) according to grown place and different calculating and the index variation estimated value of market temperature, humidity and draught head, the definite target goals value that will sell cigarette product in the D area, and adjust cigarette composition.
In order to make 1
#Product is consistent in the organoleptic quality in D area and the organoleptic quality in A area, and the cigarette product prescription of selling in the D area is carried out specific aim adjustment optimization: (1) tobacco leaf formulation increases the high middle part tobacco leaf use amount of sugar content; (2) corresponding minimizing nicotine content height, the upper tobacco leaf consumption that sugar content is little; (3) suitably improve the tobacco leaf ratio that increases flue gas concentration.Determine desired value shown in the table 8:
Table 9 is set cigarette target goals value
Determine new 8
#Prescription is shown in Table 10.
Table 108
#Prescription and 1
#Prescription is compared total ratio and is changed
| The middle part | Top | The enrichment tobacco leaf | The consumption of eugenol | |
| Ratio in the original formulation (%) 1 # | 28 | 34 | 8 | |
| Ratio (%) 8 in the new prescription # | 32 | 28 | 10 | Than 1 #Improve 0.002% |
Table 118
#Product is in the regional environment and the cigarette mainstream flue gas chemical index actual detected result in D area
The testing result of table 11 is very near (table 12 is with table 7 partial data) 1 shown in the table 12
#Product is in the regional environment and the cigarette mainstream flue gas chemical index testing result on A ground; 8
#Product is D area sensory evaluating smoking result: cigarette perfume (or spice) is more plentiful, flue gas concentration is moderate, fragrance matter is better, and the property sent out is better thoroughly, and fine and smooth, long sense is medium, and excitant is little to be had, and jealous than alcohol just little have assorted gas, and strength is moderate, and pleasant impression is more comfortable, near 1
#Product is at A area subjective appreciation.
Table 121
#Product is in the regional environment and the cigarette mainstream flue gas chemical index testing result on A ground
Choose the cigarette 2 that A ground (grown place) produces
#Product carries out the quality control experiment.
(1) measures temperature, humidity, air pressure and the height above sea level condition of producing territorial environment;
Measure temperature, humidity, air pressure and the height above sea level condition of selling territorial environment;
Temperature, humidity and the air pressure of table 13 production region and sale territorial environment
(2) citrene and eugenol Determination on content in grown place tar content in cigarette, flue gas pH value, phenol compound content and the flue gas;
2
#Product is at A area subjective appreciation: cigarette perfume (or spice) is plentiful, fragrance matter is good, and the property sent out is better thoroughly, exquisiteness, long sense is medium, excitant is little to be had, jealous than alcohol just, assorted less gas, strength is moderate, pleasant impression is more comfortable.
Table 142
#Product is in the regional environment and the cigarette mainstream flue gas chemical index testing result on A ground and be sold to B ground index and change estimation
For 2
#Cigarette, employing adjustment technology scheme is as follows: 2.5 ℃ of every risings of temperature and the every increase by 8.0% of humidity, adjustment prescription make tar content in cigarette reduction 0.5mg/ prop up, make cigarette TPM reduction 0.4mg/ to prop up, make cigarette moisture to reduce the pH value raising 0.2 that 0.1mg/ propped up, made cigarette smoke.Technique scheme estimation changing value sees Table 14 according to the present invention.
Table 152
#Product is in the regional environment and the cigarette mainstream flue gas chemical index actual detected result in D area
2
#Product is more identical with index variation estimated value in the regional environment in A area and cigarette mainstream flue gas chemical index testing result (shown in the table 15) and B that table 14 is shown in area actual detected result's difference.
2
#Product is in B area sensory evaluating smoking result (with in the contrast of A area): the fragrant richness of cigarette slightly descends, and the entity sense weakens, and fragrance matter increases, and excitant is little to be had, and jealous than alcohol just little have assorted gas, and strength is moderate, and flue gas concentration edges down, and pleasant impression is more comfortable.
(3) according to grown place and different calculating and the index variation estimated value of market temperature, humidity and draught head, the definite target goals value that will sell cigarette product in the B area, and adjust cigarette composition.
In order to make 2
#Product is consistent in the organoleptic quality in B area and the organoleptic quality in A area, and the cigarette product prescription of selling in the B area is carried out specific aim adjustment optimization: (1) tobacco leaf formulation increases the high middle part tobacco leaf use amount of sugar content a little; (2) improve the tobacco leaf ratio that increases flue gas concentration.Perhaps fill a prescription according to the desired value adjustment according to those skilled in the art's operating experience.Determine desired value shown in the table 16:
Table 16 is set cigarette target goals value
Determine new 9
#Prescription is shown in Table 17.
Table 179
#Prescription and 2
#Prescription is compared total ratio and is changed
| The middle part | Top | The enrichment tobacco leaf | The consumption of eugenol | |
| Ratio in the original formulation (%) 2 # | 25 | 29 | 8 | |
| Ratio (%) 9 in the new prescription # | 28 | 24 | 10 | With 2 #Similar |
Table 189
#Product is in the regional environment and the cigarette mainstream flue gas chemical index actual detected result in B area
The testing result of table 18 is near (table 19 is table 14 partial data) 2 shown in the table 12
#(the numercal difference slightly of specific targets should be regarded the error that the prescription tobacco brings in the actual production as to product, in the described scope of the inventive method in the regional environment on A ground and cigarette mainstream flue gas chemical index testing result.); 9
#Product is B area sensory evaluating smoking result: fragrant richness of cigarette and entity sense are near 2
#Product is at A area subjective appreciation, and fragrance matter is good, blandness, jealous alcohol just, strength is moderate, flue gas concentration is suitable, pleasant impression is totally comfortable.
Table 192
#Product is in the regional environment and the cigarette mainstream flue gas chemical index testing result on A ground
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| CN102323277A (en) * | 2011-08-04 | 2012-01-18 | 中国电子科技集团公司第四十一研究所 | Algorithm for eliminating influence of metal exterior decoration on tobacco rod moisture density measurement |
| CN111165869A (en) * | 2020-01-17 | 2020-05-19 | 湖南中烟工业有限责任公司 | Cigarette treated by low harm cigarette increasing |
| CN111667173A (en) * | 2020-06-05 | 2020-09-15 | 江苏中烟工业有限责任公司 | Tobacco leaf quality matching degree evaluation method for tobacco leaf base based on formula effect |
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| CN111165869A (en) * | 2020-01-17 | 2020-05-19 | 湖南中烟工业有限责任公司 | Cigarette treated by low harm cigarette increasing |
| CN111667173A (en) * | 2020-06-05 | 2020-09-15 | 江苏中烟工业有限责任公司 | Tobacco leaf quality matching degree evaluation method for tobacco leaf base based on formula effect |
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