CN106198809B - A kind of flat-flavor flue-cured tobacco identification method based on activity threshold - Google Patents
A kind of flat-flavor flue-cured tobacco identification method based on activity threshold Download PDFInfo
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 88
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 88
- 239000000796 flavoring agent Substances 0.000 title claims abstract description 56
- 230000000694 effects Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 28
- 235000019634 flavors Nutrition 0.000 claims abstract description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000008187 granular material Substances 0.000 claims abstract description 13
- 238000004451 qualitative analysis Methods 0.000 claims abstract description 4
- 238000004445 quantitative analysis Methods 0.000 claims abstract description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
- 235000019504 cigarettes Nutrition 0.000 claims description 14
- 235000009508 confectionery Nutrition 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 8
- 230000000391 smoking effect Effects 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000010813 internal standard method Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 230000033764 rhythmic process Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000002304 perfume Substances 0.000 description 19
- 239000003205 fragrance Substances 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 239000006071 cream Substances 0.000 description 6
- 238000004108 freeze drying Methods 0.000 description 6
- 239000008267 milk Substances 0.000 description 6
- 235000013336 milk Nutrition 0.000 description 6
- 210000004080 milk Anatomy 0.000 description 6
- 235000013599 spices Nutrition 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005064 physico chemical analysis method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MIDXCONKKJTLDX-UHFFFAOYSA-N 3,5-dimethylcyclopentane-1,2-dione Chemical compound CC1CC(C)C(=O)C1=O MIDXCONKKJTLDX-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 235000013736 caramel Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002027 dichloromethane extract Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention belongs to flue-cured tobacco technical fields, and in particular to a kind of flat-flavor flue-cured tobacco identification method based on activity threshold.This method includes that tobacco leaf suction, granule phase substance trapping, aroma component qualitative and quantitative analysis, activity threshold calculate adduction, result judgement.The present invention is using Guizhou Province and Xunyang County, shaanxi Province, Chongqing WuLong area flue-cured tobacco as carrier, the note type of different flavor matters in its flue gas system, the threshold condition of different aroma components are studied and screened, finally using belong to the flavor matter of same note activity threshold adduction size of data as measurement index, to specify the main body note of flue gas system and odor type has been determined.And then based on this, a kind of identification method of flat-flavor flue-cured tobacco based on activity threshold is established.Compared with prior art, it is easy, quickly to include determination method by the present invention, determines objective, the reliable advantage of result, also the judgement for other odor types of flue-cured tobacco and other types tobacco different flavor provides reference and reference.
Description
Technical field
The invention belongs to flue-cured tobacco technical fields, and in particular to a kind of flat-flavor flue-cured tobacco identification side based on activity threshold
Method.
Background technique
Flue-cured tobacco is with a long history in China's growing and cultivation, and planting range is extensive, is important one of the industrial crops in China.Weather
It is different from the ecological factors such as soil, so that China's tobacco aroma type is generally divided into Luzhou-flavor, delicate fragrance type and centre compared with horn of plenty
Odor type.Due to the difference of each cigarette district ecological condition, tobacco leaf odor type style and features also there is notable difference.Flue-cured tobacco flavor types are cigarette
The important evidence of the purchasing of raw materials and cigarette composition design need to be to each ecotope tobacco leaf wind in order to show different-style characteristic tobacco
Lattice characteristic carries out accurate evaluation and positioning, meets Chinese-style cigarette brand to the stabilization supply requirement of core material with this, ensures
The sustainable development of leaf tobacco production.Therefore, the research of flue-cured tobacco flavor types is paid more and more attention, odor type already becomes characteristic tobacco
A kind of type code, raw material of the tobacco leaf of different flavor style in cigarette industry it is transregional combination and tobacco leaf formulation played in
Ever more important is acted on, and has become the hot issue in current tobacco scientific research.
Tobacco leaf odor type is also related to weather, landform, soil and alcoholization modulation etc. in addition to having outside the Pass with hereditary capacity, most
Determine flue-cured tobacco flavor types eventually is the chemical component of flue-cured tobacco and composition, content and the ratio of flavor matter.Currently, to flue-cured tobacco flavor types
Differentiate mainly using traditional sensory evaluating smoking or physico-chemical analysis method.The former is this multiple by human body direct feeling flue-cured tobacco
Miscellaneous system, it is desirable that the expert that smokes panel test must have a large amount of industry background knowledge and experience abundant of smokeing panel test, by factor and individual subjective factor
It is affected with experience etc.；The latter's detection project is various, is related to total reducing sugar, reduced sugar, total nitrogen, protein, total alkaloid, chlorine, shallow lake
The chemical components such as powder, minerals and Main Fragrance, operating process is time-consuming, cumbersome, needs a large amount of instrument and equipment, detects
It is costly, and the correlation between various indexs is very complicated, is difficult to promote and apply in actual production.Therefore, seek one kind
Accurately, the detection method for fast and effeciently identifying flue-cured tobacco flavor types is particularly important.
Summary of the invention
Present invention aims to overcome that flue-cured tobacco style differentiate in existing traditional sensory evaluating smoking's method by factor and individual subjective factor and
The defect that experience etc. is affected；It puts forth effort on simultaneously and overcomes existing physico-chemical analysis method operating process time-consuming, cumbersome, need a large amount of
Instrument and equipment, detection project is more, and testing cost is high, is difficult to the defect promoted and applied in actual production.Based on object above, originally
Invention is weighing apparatus with the activity threshold size of each note in flue-cured tobacco system by the activity threshold concept of flavor matter in reference flue-cured tobacco
Figureofmerit specifies the main body note of flue gas system and determines odor type, so that it is roasting to establish a kind of flat-flavor based on activity threshold
The identification method of cigarette.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of flat-flavor flue-cured tobacco identification method based on activity threshold, includes the following steps:
(1) content of representative flavor matter in flue gas is measured, specifically:
Firstly, cured tobacco leaf is rolled into single-tobacco-typed cigarette, smoking machine is placed according to national standard condition (GB/T 19609-2004)
On aspirated, in aspiration procedure, the granule phase substance in main flume is collected；Preferably Cambridge is used to filter when collecting granule phase substance
Piece is trapped；
Secondly, carry out the processing such as Simultaneous distillation-extraction, pickling and alkali cleaning to granule phase substance respectively, with obtain alkalinity, it is acid and
GC-MS and GC-Q-TOF second order ms counter point is respectively adopted to obtained flavor component, thus to flue-cured tobacco in neutral flavor constituents
Main aroma component carries out qualitative analysis in flue gas；
Finally, determining the threshold value of correlation aroma component, and screen threshold value≤1.0 × 10-3Aroma component as representative
Aroma component carries out quantitative analysis using internal standard method, determines content of the representativeness aroma component in flue gas；
Identified representativeness aroma component has 66 kinds, and affiliated note type and its threshold value are as shown in the table:
；
(2) representative flavor matter activity threshold is determined
Firstly, according to the content of the representative aroma component measured in step (1), respectively with it is various it is representative cause it is fragrant at
Divide the content in flue gas divided by its threshold value, obtains the activity threshold of various representative aroma components；
Secondly, aroma component is carried out note ownership according to odor characteristic, and by the active threshold of identical note flavor matter
Value sums up；
Finally, the main body note feature that tobacco aroma is determined according to adduction numerical values recited, so that it is determined that flue-cured tobacco type；If
The note based on fragrant and sweet, radix aucklandiae then can determine that flue-cured tobacco is flat-flavor flue-cured tobacco.
Preliminary studies have shown that flat-flavor flue-cured tobacco be flue-cured tobacco this perfume ((also referred to as hay is fragrant, be it is a kind of with burley tobaccos and
The comprehensive impression of Turkish tobaccos in contrast)) on the basis of, the odor characteristic of note, just fragrant and sweet based on just fragrant and sweet and radix aucklandiae
Rhythm is prominent.And flue gas main body note determines its affiliated odor type.The ratio between content Yu threshold value of various flavor matters are known as in flue-cured tobacco
Activity threshold of the substance in flue-cured tobacco system.The bigger flavor matter of activity threshold, the effect to tobacco aroma feature is shown
It is stronger, contribution it is bigger, vice versa.Together by the activity threshold adduction of identical note flavor matter, big according to adduction quantity
Small to can determine whether which note is flue-cured tobacco main body note, which is secondary note, thus can determine the odor type classification of flue-cured tobacco.
It is domestic mainly to originate in Guizhou Province and Xunyang County, shaanxi Province, Chongqing WuLong area for the flat-flavor flue-cured tobacco place of production.Cause
This, inventor is using Guizhou Province and Xunyang County, shaanxi Province, Chongqing WuLong area flue-cured tobacco as carrier, to belong to same note in flue gas system
It is measurement index that flavor matter activity threshold, which sums it up size of data, specifies the main body note of flue gas system and determines odor type, thus
Establish a kind of identification method of flat-flavor flue-cured tobacco based on activity threshold.
Compared with prior art, major technique advantage of the invention is embodied in:
1, determination method relative ease, and more quickly；Relative to survey project in traditional physico-chemical analysis method more, index it
Between correlation is complicated, testing cost is high defect, the present invention innovatively introduces activity threshold in the differentiation of tobacco aroma style
Standard, and need to only measure the content of main flavor matter in flue-cured tobacco, obtain its activity threshold, according to adduction population size
It is accurate to determine flue-cured tobacco flavor types, thus utilize the odor type of the invention that can relatively more easy and quickly determine flue-cured tobacco；
2, determine that result is not affected by human factors, it is more objective and reliable；Determination method of the invention preferably overcomes
Existing flue-cured tobacco style differentiate employed in sensory evaluating smoking's method excessively relies on factor and individual subjective factor and subjective experience influence it is scarce
Fall into, determine result it is more objective and reliable, while have it is preferably comparative, while also be other odor types of flue-cured tobacco and other types
The judgement of tobacco different flavor provides reference and reference.
Specific embodiment
Technical solution of the present invention is further discussed in detail below with reference to embodiment, is introducing specific embodiment
Before, tobacco and detection device situation used in following embodiments is briefly briefly discussed below.
Tobacco material: zunyi, guizhou C3F tobacco leaf, Xunyang County, shaanxi Province C2F tobacco leaf, Chongqing WuLong B3F tobacco leaf are by cigarette in Henan
Group Co., Ltd provides；
Normal process cigarette will be pressed into cigarette after corresponding pure tobacco leaf chopping；
Detection device:
RM20H smoking machine, German Borgwaldt kc company；
6890/5973N type Gc/ms Analyser, Agilent company, the U.S.；
7200 GC-Q-TOF second order ms, Agilent company, the U.S..
Embodiment 1
The present embodiment is determined by taking zunyi, guizhou C3F tobacco leaf as an example its odor type that specific decision process is as follows.
Flat-flavor flue-cured tobacco identification method based on activity threshold, specific determination step are as follows.
(1) content of representative flavor matter in flue gas is measured, specifically:
Firstly, zunyi, guizhou C3F tobacco leaf is rolled into single-tobacco-typed cigarette, then upper smoking machine is aspirated under the conditions of national standard；
In aspiration procedure, the granule phase substance in main flume is collected；To ensure the collecting effect to granule phase substance, 20 single-tobacco-typed cigarettes
Granule phase substance is trapped with a filter disc；The cambridge filter in trap is taken out after cigarette smoking is complete, and with absorbent cotton wiped clean, one
It rises and is put into 500mL conical flask, it is one group that 3 filter discs are put in each conical flask.
Secondly, carry out the processing such as Simultaneous distillation-extraction, pickling and alkali cleaning to granule phase substance respectively, with obtain alkalinity, it is acid and
Neutral flavor constituents, specifically:
1. Simultaneous distillation-extraction is handled: 3 groups of cambridge filters being placed in 1000mL round-bottomed flask, are then added 500mL's
Ultrapure water carries out Simultaneous distillation-extraction, 2.5 h of extraction time with the methylene chloride of 100mL chromatographically pure；
2. alkaline flavor component sample preparation: after the completion of distillation extraction, obtained extract liquor first being used 5% (volume basis
Than similarly hereinafter) aqueous hydrochloric acid solution washing (20 mL × 5), merge hydrochloric acid cleaning solution, and adjust pH value with 5% sodium hydrate aqueous solution
With chromatographic grade methylene chloride extraction (20 mL × 3) after to 10.0, merges organic phase and obtain alkaline solution, enough anhydrous sulphur is added
Sour sodium freeze-drying lyophilization is stayed overnight and is concentrated into 1mL；
3. acid flavor component sample preparation: water-soluble with 5% sodium hydroxide by the dichloromethane extract after chlorohydric acid pickling
Liquid, which washs (20 mL × 5) and merges sodium hydroxide afterwards, washs liquid, and washs adjusting pH value to using color after 1.0 with 5% aqueous hydrochloric acid solution
Spectrum level methylene chloride extracts (20 mL × 3), merges organic phase and obtains alkaline solution, enough anhydrous sodium sulfate freeze-drying lyophilizations are added
It stays overnight and is concentrated into 1mL；
4. neutral flavor constituents sample preparation: the methylene chloride successively after hydrochloric acid and sodium hydrate aqueous solution washing is extracted
Taking liquid is neutral flavor constituents, and enough anhydrous sodium sulfate freeze-drying lyophilizations are added and stays overnight and is concentrated into 1mL；
GC-MS and GC-Q-TOF second order ms counter point is respectively adopted to alkalinity, acidity and neutral flavor constituents are obtained,
To carry out qualitative analysis to aroma component main in flue-cured tobacco.
Finally, being noted down by reference to existing literature, with threshold value≤1.0 × 10-3As screening criteria, determine that representative cause is fragrant
Ingredient has 66 kinds, and using internal standard method, it is (specific to survey to carry out quantitative analysis to content of this 66 kinds representative aroma components in flue gas
Determine result and see below table 1).
(2) representative flavor matter activity threshold is determined
Firstly, according in step (1) to the assay of this 66 kinds representative aroma components as a result, being removed respectively with its content
With its threshold value, obtain the activity threshold of various representative aroma components (specific calculated result sees below table 1)；
Secondly, according to odor characteristic by this 66 kinds representative aroma components be attributed to fragrant camerlsed, nut, clear (blueness) perfume,
11 kinds of notes such as fruity, the fragrant and sweet, fragrance of a flower, milk, herbal, cream perfume, radix aucklandiae, sour；Belong to according to its note, by identical note
The activity threshold of flavor matter sums up；
Finally, the activity threshold of 11 kinds of notes in zunyi, guizhou C3F tobacco leaf is obtained according to adduction numerical value, and then determines flue-cured tobacco
Main body note feature in fragrance, so that it is determined that flue-cured tobacco type.
Assay result and activity threshold calculated result such as the following table 1 of the above-mentioned 66 kinds representative aroma components in flue gas
It is shown,
Table 1:
。
By table 1 it can be concluded that the activity threshold of each note are as follows: fragrant and sweet is 9.03 × 108, radix aucklandiae be 7.75 × 108, fruity be
2.89×108, the fragrance of a flower be 1.49 × 108, camerlsed be 1.42 × 108, fragrant clear (blueness) be 1.12 × 108, nut perfume (or spice) be 4.87 ×
107, milk be 1.98 × 107, herbal be 6.13 × 106, sour be 2.94 × 106, cream perfume (or spice) be 1.97 × 107；
As can be seen from the above results, zunyi, guizhou C3F odor characteristic is the note based on fragrant and sweet, radix aucklandiae, is aided with fruit
Perfume, the fragrance of a flower, caramel, clear (blueness) fragrant note；Therefore, it can determine that zunyi, guizhou C3F tobacco leaf is flat-flavor flue-cured tobacco.
Embodiment 2
The present embodiment is determined by taking Xunyang County, shaanxi Province C2F tobacco leaf as an example its odor type that the operation of specific decision process is same
Embodiment 1.It is only just related to determine that result brief explanation is described as follows.
After aroma component analysis in granule phase substance, with reference to existing literature, equally with threshold value≤1.0 × 10-3It is marked as screening
Standard, it is final to determine that representative aroma component has 66 kinds (type is with embodiments 1), using internal standard method, to 66 kinds it is representative cause it is fragrant at
The content in flue gas is divided to be determined；And the activity threshold of 66 kinds of representative aroma components is calculated respectively.
Finally, according to odor characteristic by 66 kinds of representative aroma components be attributed to clear (blueness) perfume, fruity, fragrant and sweet, nut is fragrant,
11 kinds of notes such as camerlsed, the fragrance of a flower, milk, herbal, cream perfume, radix aucklandiae, sour；
It is calculated by adduction, the activity threshold of 11 kinds of notes of Xunyang County, shaanxi Province C2F tobacco leaf is as follows:
Radix aucklandiae is 8.57 × 108, it is fragrant and sweet be 8.81 × 108, fruity be 3.28 × 108, the fragrance of a flower be 2.07 × 108, clear (blueness)
Perfume is 1.53 × 108, camerlsed be 1.13 × 108, nut perfume (or spice) be 6.79 × 107, milk be 1.68 × 107, herbal 7.55
×106, sour be 3.19 × 106, cream perfume (or spice) be 1.06 × 107。
It may determine that by result above, Xunyang County, shaanxi Province C2F tabacco fragrance is characterized in the note based on fragrant and sweet, radix aucklandiae, auxiliary
With fruity, the fragrance of a flower, clear (blueness) perfume, camerlsed note.Therefore, it can determine that Xunyang County, shaanxi Province C2F tobacco leaf is flat-flavor flue-cured tobacco.
Embodiment 3
The present embodiment determines its odor type, the operation of specific decision process is same by taking the WuLong's B3F tobacco leaf of Chongqing as an example
Embodiment 1.It is only just related to determine that result brief explanation is described as follows.
After aroma component analysis in granule phase substance, with reference to existing literature, equally with threshold value≤1.0 × 10-3It is marked as screening
Standard, it is final to determine that representative aroma component has 66 kinds (type is with embodiments 1), using internal standard method, to 66 kinds it is representative cause it is fragrant at
The content in flue gas is divided to be determined；And the activity threshold of 66 kinds of representative aroma components is calculated respectively.
Finally, according to odor characteristic by 66 kinds of representative aroma components be attributed to clear (blueness) perfume, fruity, fragrant and sweet, nut is fragrant,
11 kinds of notes such as camerlsed, the fragrance of a flower, milk, herbal, cream perfume, radix aucklandiae, sour；
It is calculated by adduction, the activity threshold of 11 kinds of notes of Chongqing WuLong's B3F tobacco leaf is as follows:
Fragrant and sweet is 9.52 × 108, radix aucklandiae be 8.91 × 108, fruity be 4.01 × 108, the fragrance of a flower be 3.28 × 108, clear (blueness)
Perfume is 1.46 × 108, camerlsed be 1.19 × 108, nut perfume (or spice) be 5.33 × 107, milk be 2.51 × 107, herbal 5.23
×106, sour be 2.87 × 106, cream perfume (or spice) be 1.29 × 107；
As can be seen from the above results, Chongqing WuLong B3F odor characteristic is the note based on fragrant and sweet, radix aucklandiae, is aided with fruit
Perfume, the fragrance of a flower, clear (blueness) perfume, camerlsed note.Therefore, it can determine that Chongqing WuLong's B3F tobacco leaf is flat-flavor flue-cured tobacco.
Claims (2)
1. a kind of flat-flavor flue-cured tobacco identification method based on activity threshold, which is characterized in that include the following steps:
(1) content of representative flavor matter in flue gas is measured, specifically:
Firstly, cured tobacco leaf is rolled into single-tobacco-typed cigarette, it is placed on smoking machine and is aspirated according to national standard condition, in aspiration procedure,
Granule phase substance in main flume is collected；
Secondly, carry out alkali cleaning, pickling and methylene chloride extraction respectively to granule phase substance, with obtain acid, alkalinity and neutral flavor at
Point, GC-MS and GC-Q-TOF second order ms counter point is respectively adopted to obtained flavor component, thus to main in flue-cured tobacco
Aroma component carries out qualitative analysis；
Finally, determining the threshold value of correlation aroma component, and screen threshold value≤1.0 × 10-3Aroma component as it is representative cause it is fragrant
Ingredient carries out quantitative analysis using internal standard method, determines content of the representativeness aroma component in flue gas；
The representativeness aroma component has 66 kinds, and affiliated note type and its threshold value are as shown in the table:
Continuous upper table:
Continuous upper table:
；
(2) representative flavor matter activity threshold is determined
Firstly, being existed respectively with various representative aroma components according to the content of the representative aroma component measured in step (1)
Content in flue gas obtains the activity threshold of various representative aroma components divided by its threshold value；
Secondly, according to odor characteristic by aroma component carry out note ownership, and by the activity threshold of identical note flavor matter into
Row adduction；
Finally, the main body note feature of tobacco aroma is determined according to adduction numerical values recited, if with fragrant and sweet, radix aucklandiae for main body note
Rhythm then can determine that flue-cured tobacco is flat-flavor flue-cured tobacco.
2. the flat-flavor flue-cured tobacco identification method based on activity threshold as described in claim 1, which is characterized in that collect granule phase substance
Shi Caiyong cambridge filter is trapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596555.6A CN106198809B (en) | 2016-07-27 | 2016-07-27 | A kind of flat-flavor flue-cured tobacco identification method based on activity threshold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596555.6A CN106198809B (en) | 2016-07-27 | 2016-07-27 | A kind of flat-flavor flue-cured tobacco identification method based on activity threshold |
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| Publication Number | Publication Date |
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| CN111554364A (en) * | 2020-04-26 | 2020-08-18 | 武汉市第一医院 | Traditional Chinese medicine prescription information detection method and detection system for clinical treatment of rheumatoid arthritis |
| CN112914143B (en) * | 2021-03-06 | 2022-04-22 | 中国烟草总公司郑州烟草研究院 | Tobacco flake redrying temperature setting method capable of displaying tobacco leaf odor type style |
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| CN102650630A (en) * | 2012-05-08 | 2012-08-29 | 红云红河烟草(集团)有限责任公司 | Method for evaluating flavor type of flue-cured tobacco raw material by constructing discrimination model based on flavor components |
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