CN109738374A - A kind of prediction technique of gum base type chewing tobacco shelf life - Google Patents
A kind of prediction technique of gum base type chewing tobacco shelf life Download PDFInfo
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 42
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 42
- 230000001055 chewing effect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000013074 reference sample Substances 0.000 claims abstract description 78
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims description 73
- 230000009467 reduction Effects 0.000 claims description 33
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims description 27
- 229960002715 nicotine Drugs 0.000 claims description 25
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims description 25
- 239000004615 ingredient Substances 0.000 claims description 21
- 230000032683 aging Effects 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 229960004106 citric acid Drugs 0.000 claims description 2
- 239000007938 effervescent tablet Substances 0.000 claims description 2
- 229940041616 menthol Drugs 0.000 claims description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 claims 1
- 239000002585 base Substances 0.000 description 26
- 235000019505 tobacco product Nutrition 0.000 description 8
- 239000002775 capsule Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- NOOLISFMXDJSKH-KXUCPTDWSA-N (-)-Menthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@H]1O NOOLISFMXDJSKH-KXUCPTDWSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229940112822 chewing gum Drugs 0.000 description 2
- 235000015218 chewing gum Nutrition 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229940087730 nicorette Drugs 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000004578 scanning tunneling potentiometry Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- AQCRXZYYMOXFAN-UHFFFAOYSA-N 2-(1-methyl-2-pyrrolidinyl)-pyridine Chemical compound CN1CCCC1C1=CC=CC=N1 AQCRXZYYMOXFAN-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007910 chewable tablet Substances 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 229940076988 freshmint Drugs 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The present invention relates to a kind of prediction technique of gum base type chewing tobacco shelf life, this method includes selection reference sample, appearance scoring and key component measurement, accelerated photo-ageing processing and forecasting shelf life.Present invention may determine that product is time-bounded, the validity and utilization rate of gum base type chewing tobacco are effectively improved.Method of the invention has the characteristics that science, operability, repeatability are strong, and the shelf life suitable for gum base type chewing tobacco speculates.
Description
Technical field
The present invention relates to a kind of prediction technique of shelf life, especially a kind of prediction technique of gum base type chewing tobacco shelf life,
Belong to mouth type smoke-free tobacco product analysis field.
Background technique
Smoke-free tobacco product (Smokeless Tobacco products, abbreviation STPs) refers to without burning, directly
The tobacco product sucked by oral cavity or nasal cavity, its harmful components is few compared with traditional cigarette, and harmfulness is smaller；It is not produced simultaneously
Raw second-hand flue gas, can alleviate to a certain extent the contradiction of public place smoking ban and smoking, and meet smoker to a certain extent
Physiological requirements.
Gum base type smoke-free tobacco product (Tobacco chewing gum) is by match company, Sweden (Swedish
Match it) was researched and developed first successfully in 2003 and tries to launch.It is also known as novel chewing tobacco, gum base type smokeless tobacco, tobacco
Chewing gum, matrix cigarette are a kind of tobaccos and/or tobacco extract is that effectiveness component using edible matrix as carrier passes through chewing
New tobacco products of the mode to human body delivery of nicotine.Consumer chews by oral cavity when using such product, is embedded in glue
The ingredients such as the nicotine in base are absorbed by the body after saliva is dissolved by mucous membrane of mouth.2016, global STPs sales volume was 120
Hundred million dollars, wherein packed buccal cigarette sales volume increases by 40% or more, chewing tobacco increases by 10% or so.Gum base type chewing tobacco does not generate flue gas,
Environmental-friendly, health easy to use, safe has a vast market foreground.
The main component formula of gum base type chewing tobacco is edible matrix, nicotine, edible essence fragrance, sugar alcohol substance and shows
The key flavorants of style and features.The gum base type chewing tobacco of finished product further includes packaging material.Evaluate gum base type chewing tobacco quality stability master
It include: the key chemical components generation of phenomena such as packaging material changes, cracking occurs for content, discoloration and content
Change, whether can especially remained unchanged to a certain extent after the storage of certain time and condition in these areas.
Can nicotine, fragrance keep the stabilization of physicochemical properties, especially store by certain time, and meet in storing process
Heat meets whether illumination can occur mass change.Characterization gum base type chewing tobacco quality stability does not have specific method at present, does not have more
Speculating the method for its shelf life, the shelf life of gum base type chewing tobacco is all made of by Empirical rules, not scientific budgetary means, this
The use or sale of gum base type chewing tobacco product have been seriously affected, while also having affected the quality control of such product, research and development life
It produces.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of prediction technique of gum base type chewing tobacco shelf life, this method
It can determine the time-bounded of product, effectively improve the validity and utilization rate of gum base type chewing tobacco, stablize for gum base type chewing tobacco quality
Journal of Sex Research lays the foundation.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of prediction technique of gum base type chewing tobacco shelf life, includes the following steps:
Step (1), selection reference sample
According to the product packaging of sample to be tested, content mode of appearance and content critical ingredient content, selection has shelf life
Gum base type chewing tobacco as reference sample；
Step (2), appearance scoring and key component measurement
According to ASTM overall appearance standards of grading, by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and is measured to the critical ingredient content of sample to be tested and reference sample；
Step (3), accelerated photo-ageing processing
Sample to be tested and reference sample are put in Q-SUN Xe-3, accelerated photo-ageing processing is carried out；Periodically pass through high-precision point
Light colour photometer carries out color difference marking to the mode of appearance of sample to be tested and reference sample, and to the pass of sample to be tested and reference sample
Key component content is measured；
Step (4), forecasting shelf life
According to the scoring of the appearance of accelerated photo-ageing treated sample to be tested and reference sample and critical ingredient content, and reference
The shelf life of sample calculates the shelf life of prediction sample to be tested.
Further, in step (1), product packaging includes box-packed and bottled；Content mode of appearance includes granular, sheet
And effervescent tablet.
Further, in step (1), key component includes nicotine, citric acid and menthol.The detection of key component is base
In YC/T246-2008 tobacco and the measurement gas chromatography of tobacco product nicotine；The addition of GB 1886.235-2016 food
Agent citric acid；GB 29958-2013 food additives l-menthol propylene carbonate.
Further, in step (3), accelerated photo-ageing treatment conditions are as follows: continuous illumination；Irradiation intensity: 1.10W/ ㎡@
420nm light intensity monitoring point, glass pane filter disc simulate indoor illumination；Temperature setting: 35 DEG C of blackboard monitoring, 25 DEG C of air themperature, 50%
RH。
ASTM overall appearance standards of grading are the degree evaluations that appearance paint is checked based on ASTM D660-1993(2000)
Standard method of test；The standard code of practice of the visually rank of ASTM D1729-1996 (2009) opaque material color difference.
Further, in step (3), regularly time are as follows: 48h, 96h, 144h, 192h and 240h.
Further, in step (6), predict that the shelf life of sample to be tested is carried out as follows:
According to ASTM overall appearance standards of grading, when sample scoring is lower than 6 timesharing, which has been presented larger change
Change.
It is less than or equal to 6 timesharing when reference sample appearance scores, records the time, within this time range, sample to be tested
Appearance scoring scoring is higher than 6 points, then predicts that shelf life is greater than the shelf life of reference sample；Sample scoring is equal to 6 points, then predicts goods
The frame phase is equal to reference sample shelf life；Scoring is lower than 6 points, then predicts that shelf life is less than with reference to shelf life.
Meanwhile when the key component reduction amount of sample to be tested is greater than the key component reduction amount 30% of reference sample, prediction
Shelf life is less than reference sample shelf life；When the key component that the key component reduction amount of sample to be tested is equal to reference sample is reduced
When amount, prediction shelf life is equal to reference sample shelf life；When the key component reduction amount of sample to be tested is less than the pass of reference sample
When key ingredient reduction amount 30%, prediction shelf life is greater than reference sample shelf life；And it is preferential with appearance appraisal result.It, will when prediction
ASTM overall appearance appraisal result is combined with key component result of variations.
Further, in step (6), when key component reduction amount evaluation result and appearance appraisal result are inconsistent, with color
Poor appearance appraisal result is preferential.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) present invention accelerates the aging of matrix smoke product by Q-SUN Xe-3 simulation reconstruction product storage environment；Routine observation is commented
Valence matrix smoke product content and outer packing overall variation, while the key component situation of change in gum base type chewing tobacco is monitored, join
The suggestion shelf life that similar-type products shelf life provides sample is examined, there is scientific and repeatability, it is as a result more objective and accurate,
It avoids traditional by Empirical rules bring subjective factor error.
(2) the method for the present invention is simple, strong operability, and the batch suitable for sample is studied, and opens for the formula of such product
Hair, processing and fabricating and quality control provide technical support and theoretical foundation, and it is objective more to provide for the list marketing of such product
Foundation effectively improves the validity and utilization rate of gum base type chewing tobacco so that it is determined that product is time-bounded, is suitable for gum base type chewing tobacco
Shelf life speculate.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair
Bright range.In the examples where no specific technique or condition is specified, described technology or conditions according to the literature in the art
Or it is carried out according to product description.Production firm person is not specified in material therefor or equipment, is that can be obtained by purchase
Conventional products.
Experimental provision:
Q-SUN Xe-3HSC xenon lamp Accelerated stability test case (Q-Lab company, the U.S.)
The desk-top high-precision spectrophotometric color measurement instrument of UltraScan PRO (HunterLab company, the U.S.)
Embodiment 1
The gum base type chewing tobacco shelf life estimation method of this implementation, includes the following steps:
Step (1), selection reference sample
Select A Shi Ma packaging (A Shima-large, A Shima-capsule -1, A Shima-capsule -2) as sample to be tested, according to
Product packaging, content mode of appearance and the content critical ingredient content of sample to be tested, selection are all the glue of nicotine content 2mg
Fundamental mode chewing tobacco nicorette (fresh mint) and nicorette (original flavour) is used as reference sample, reference
The shelf life of sample is 15 months.
Step (2), appearance scoring and key component measurement
According to ASTM overall appearance standards of grading, by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and the results are shown in Table 1, and is measured to the critical ingredient content of sample to be tested and reference sample, knot
Fruit is as shown in table 2.The key component of the present embodiment selects nicotine.
1 overall appearance appraisal result of table
2 nicotine content measurement result of table
Step (3), light aging process
Sample to be tested and reference sample are put in Q-SUN Xe-3(weatherometer) in, it is produced by Q-SUN Xe-3 simulation reconstruction
Product storage environment carries out aging process；Periodically by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and is measured to the critical ingredient content of sample to be tested and reference sample.
Light aging process condition are as follows: continuous illumination；Irradiation intensity: 1.10W/ ㎡@420nm light intensity monitoring point, glass pane
Filter disc simulates indoor illumination；Temperature setting: 35 DEG C of blackboard monitoring, 25 DEG C of air themperature, 50%RH.
Experimental procedure is as follows:
1. separates sample to be tested and reference sample, it is put into Q-SUN Xe-3 accelerated ageing, every 48 hours/cycle, totally 5
Cycle adds up to 240 hours.
2. sample to be tested and reference sample are taken out after each Cycle of, according to ASTM overall appearance standards of grading,
Overall appearance scoring is provided by high-precision spectrophotometric color measurement instrument color difference, and to the critical ingredient content of sample to be tested and reference sample
It is measured, sample is then placed again into Q-SUN Xe-3 accelerated ageing, recycle repeatedly until 5 Cycle terminate.Entire mistake
The appearance appraisal result of journey is as shown in table 3, and the nicotine result of variations of whole process is as shown in table 4.
3 overall appearance appraisal result of table
4 nicotine content result of variations of table
Step (4), forecasting shelf life
According to ASTM overall appearance standards of grading, it is less than or equal to 6 timesharing when reference sample appearance scores, the time is recorded, at this
In time range, the appearance scoring scoring of sample to be tested is higher than 6 points, then predicts that shelf life is greater than the shelf life of reference sample；Sample
It judges point and to be equal to 6 points, then predict that shelf life is equal to reference sample shelf life；Scoring is lower than 6 points, then predicts that shelf life is less than reference
Shelf life.
Meanwhile when the key component reduction amount of sample to be tested is greater than the key component reduction amount 30% of reference sample, prediction
Shelf life is less than reference sample shelf life；When the key component that the key component reduction amount of sample to be tested is equal to reference sample is reduced
When amount, prediction shelf life is equal to reference sample shelf life；When the key component reduction amount of sample to be tested is less than the pass of reference sample
When key ingredient reduction amount 30%, prediction shelf life is greater than reference sample shelf life；And it is preferential with appearance appraisal result.It, will when prediction
ASTM overall appearance appraisal result is combined with key component result of variations, when above-mentioned conclusion contradiction, with appearance appraisal result
Preferentially.Appearance appraisal result after light processing is as shown in table 5.
Appearance appraisal result after 5 light processing of table
In the present embodiment, when 5 Cycle terminate, the scoring of sample to be tested appearance is 7 points, is greater than 6 points, and reference sample is
Lower than 6 points, then, within this time range, the appearance scoring scoring of sample to be tested is higher than 6 points, and prediction shelf life is greater than reference
The shelf life of sample.
According to the experimental result of step (4), after 240 hours, the nicotine reduction amount of reference sample B13-1 and B13-2 are as follows:
(1.99-1.97)/1.99*100%=1% and (1.98-1.96)/1.98*100%=1.01%
A Shima-large nicotine reduction amount are as follows: (1.97-1.95)/1.97*100%=1.01%, A Shima-capsule -1 cigarette
Alkali reduction amount are as follows: (1.96-1.95)/1.96*100%=0.51%, A Shima-capsule -2 nicotine reduction amount are as follows: (1.96-
1.95)/1.96*100%=0.51%.
In the present embodiment, since nicotine reduction amount is little, have little significance to the prediction reference of gum base type chewing tobacco shelf life.Into
And predict that the shelf life of B1-1, B1-2, B1-3 are subject to chromatism method, prediction is greater than 15 months.
As control, the present embodiment simultaneously also normally places B1-1, B1-2, B1-3 sample, and at 16 months, appearance is without bright
Aobvious to change, appearance scoring is 7 points, and B1-1, B1-2, B1-3 nicotine content are 1.95mg/.As it can be seen that the prediction of the present embodiment
Method is correct.
Embodiment 2
The gum base type chewing tobacco shelf life estimation method of this implementation, includes the following steps:
Step (1), selection reference sample
Select pake purpke gum base type chewing tobacco (pake purpke-large, pake purpke-capsule) as sample to be tested, according to the product packet of sample to be tested
Dress, content mode of appearance and content critical ingredient content, selection are all the gum base type chewing tobacco Quit 2 of nicotine content 2mg
(original), the shelf life of reference sample is 18 months.
Step (2), appearance scoring and key component measurement
According to ASTM overall appearance standards of grading, by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and the results are shown in Table 6, and is measured to the critical ingredient content of sample to be tested and reference sample, knot
Fruit is as shown in table 7.The key component of the present embodiment selects nicotine.
6 overall appearance appraisal result of table
7 nicotine content measurement result of table
Step (3), light aging process
Sample to be tested and reference sample are put in Q-SUN Xe-3(weatherometer) in, it is produced by Q-SUN Xe-3 simulation reconstruction
Product storage environment carries out aging process；Periodically by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and is measured to the critical ingredient content of sample to be tested and reference sample.
Light aging process condition are as follows: continuous illumination；Irradiation intensity: 1.10W/ ㎡@420nm light intensity monitoring point, glass pane
Filter disc simulates indoor illumination；Temperature setting: 35 DEG C of blackboard monitoring, 25 DEG C of air themperature, 50%RH.
Experimental procedure is as follows:
1. separates sample to be tested and reference sample, it is put into Q-SUN Xe-3 accelerated ageing, every 48 hours/cycle, totally 5
Cycle adds up to 240 hours.
2. sample to be tested and reference sample are taken out after each Cycle of, according to ASTM overall appearance standards of grading,
Overall appearance scoring is provided by high-precision spectrophotometric color measurement instrument color difference, and to the critical ingredient content of sample to be tested and reference sample
It is measured, sample is then placed again into Q-SUN Xe-3 accelerated ageing, recycle repeatedly until 5 Cycle terminate.Entire mistake
The appearance appraisal result of journey is as shown in table 8, and the nicotine result of variations of whole process is as shown in table 9.
8 overall appearance appraisal result of table
9 nicotine content result of variations of table
Step (4), forecasting shelf life
According to ASTM overall appearance standards of grading, it is less than or equal to 6 timesharing when reference sample appearance scores, the time is recorded, at this
In time range, the appearance scoring scoring of sample to be tested is higher than 6 points, then predicts that shelf life is greater than the shelf life of reference sample；Sample
It judges point and to be equal to 6 points, then predict that shelf life is equal to reference sample shelf life；Scoring is lower than 6 points, then predicts that shelf life is less than reference
Shelf life；
Meanwhile when the key component reduction amount of sample to be tested is greater than the key component reduction amount 30% of reference sample, shelf are predicted
Phase is less than reference sample shelf life；When the key component reduction amount of sample to be tested is equal to the key component reduction amount of reference sample
When, prediction shelf life is equal to reference sample shelf life；When the key component reduction amount of sample to be tested is less than the key of reference sample
When ingredient reduction amount 30%, prediction shelf life is greater than reference sample shelf life；And it is preferential with appearance appraisal result.
When prediction, ASTM overall appearance appraisal result is combined with key component result of variations, when above-mentioned conclusion contradiction
When, it is preferential with appearance appraisal result.But because reference sample scores after completing 5 Cycle and is 8 points and is not reduced to 6 points, and
Sample to be tested has been far below 6 points (2 points), still according to the shelf life of reference sample, provide the pake purpke chewable tablets outsourcing of sample 2
Dress suggests shelf life are as follows:
Appearance appraisal result after light processing is as shown in table 10.
Appearance appraisal result after 10 light processing of table
According to the experimental result of step (4), after 240 hours, the nicotine reduction amount of reference sample are as follows: (1.99-1.97)/1.99*
100%= 1%。
Pake purpke-large nicotine reduction amount are as follows: the nicotine of (1.98-1.97)/1.98*100%=0.5%, pake purpke-capsule subtracts
On a small quantity are as follows: (1.98-1.97)/1.98*100%=0.5%.
In the present embodiment, since nicotine reduction amount is little, well below 30%, shelf are predicted with color difference appearance appraisal result
Phase.Predict that pake purpke-capsule and pake purpke-large shelf life are less than 18 months.
As control, the present embodiment simultaneously also normally places B2-1, B2-2 sample, and at 18 months, the two appearance is
Obvious discoloration, appearance scoring are 1 point, and B1-1, B1-2, B1-3 nicotine reduction amount are still smaller.As it can be seen that the prediction technique of the present embodiment
It is correct.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of prediction technique of gum base type chewing tobacco shelf life, characterized by the following steps:
Step (1), selection reference sample
According to the product packaging of sample to be tested, content mode of appearance and content critical ingredient content, selection has shelf life
Gum base type chewing tobacco as reference sample；
Step (2), appearance scoring and key component measurement
According to ASTM overall appearance standards of grading, by high-precision spectrophotometric color measurement instrument to the appearance shape of sample to be tested and reference sample
State carries out color difference marking, and is measured to the critical ingredient content of sample to be tested and reference sample；
Step (3), accelerated photo-ageing processing
Sample to be tested and reference sample are put in Q-SUN Xe-3, accelerated photo-ageing processing is carried out；Periodically pass through high-precision point
Light colour photometer carries out color difference marking to the mode of appearance of sample to be tested and reference sample, and to the pass of sample to be tested and reference sample
Key component content is measured；
Step (4), forecasting shelf life
According to the scoring of the appearance of accelerated photo-ageing treated sample to be tested and reference sample and critical ingredient content, and reference
The shelf life of sample calculates the shelf life of prediction sample to be tested.
2. the prediction technique of gum base type chewing tobacco shelf life according to claim 1, it is characterised in that: in step (1), product
Packaging includes box-packed and bottled；Content mode of appearance includes granular, sheet and effervescent tablet.
3. the prediction technique of gum base type chewing tobacco shelf life according to claim 1, it is characterised in that: crucial in step (1)
Ingredient includes nicotine, citric acid and menthol.
4. the prediction technique of gum base type chewing tobacco shelf life according to claim 1, it is characterised in that: in step (3), light adds
Fast aging process condition are as follows: continuous illumination；Irradiation intensity: 1.10W/ ㎡@420nm light intensity monitoring point, glass pane filter disc simulating chamber
Interior illumination；Temperature setting: 35 DEG C of blackboard monitoring, 25 DEG C of air themperature, 50%RH.
5. the prediction technique of gum base type chewing tobacco shelf life according to claim 1, which is characterized in that in step (3), periodically
Time are as follows: 48h, 96h, 144h, 192h and 240h.
6. the prediction technique of gum base type chewing tobacco shelf life according to claim 1, which is characterized in that in step (6), prediction
The shelf life of sample to be tested is carried out as follows:
According to ASTM overall appearance standards of grading, it is less than or equal to 6 timesharing when reference sample appearance scores, the time is recorded, at this
In time range, the appearance scoring scoring of sample to be tested is higher than 6 points, then predicts that shelf life is greater than the shelf life of reference sample；Sample
It judges point and to be equal to 6 points, then predict that shelf life is equal to reference sample shelf life；Scoring is lower than 6 points, then predicts that shelf life is less than reference
Shelf life；
Meanwhile when the key component reduction amount of sample to be tested is greater than the key component reduction amount 30% of reference sample, shelf are predicted
Phase is less than reference sample shelf life；When the key component reduction amount of sample to be tested is equal to the key component reduction amount of reference sample
When, prediction shelf life is equal to reference sample shelf life；When the key component reduction amount of sample to be tested is less than the key of reference sample
When ingredient reduction amount 30%, prediction shelf life is greater than reference sample shelf life.
7. the prediction technique of gum base type chewing tobacco shelf life according to claim 6, which is characterized in that crucial in step (6)
It is preferential with color difference appearance appraisal result when ingredient reduction amount evaluation result and appearance appraisal result are inconsistent.
Priority Applications (1)
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