CN106053701B - A kind of liquor classification method - Google Patents
A kind of liquor classification method Download PDFInfo
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- CN106053701B CN106053701B CN201610589133.6A CN201610589133A CN106053701B CN 106053701 B CN106053701 B CN 106053701B CN 201610589133 A CN201610589133 A CN 201610589133A CN 106053701 B CN106053701 B CN 106053701B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 235000014101 wine Nutrition 0.000 claims abstract description 22
- 238000010606 normalization Methods 0.000 claims abstract description 6
- 238000007621 cluster analysis Methods 0.000 claims abstract description 5
- 230000014759 maintenance of location Effects 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 19
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 16
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical compound CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 claims description 16
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 10
- 229940116333 ethyl lactate Drugs 0.000 claims description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 claims description 4
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 claims description 4
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 4
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 4
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 4
- 230000002068 genetic effect Effects 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 229940035429 isobutyl alcohol Drugs 0.000 claims 1
- 238000012850 discrimination method Methods 0.000 abstract description 3
- 235000020097 white wine Nutrition 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 2
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method 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
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
-
- 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
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The present invention discloses a kind of liquor classification method, belongs to technical field of white spirit identification.The discrimination method is comprised the following steps：Select several true wine in certain original producton location, some wine samples are taken respectively in color-comparison tube, add a certain amount of inner mark solution, enter the gas chromatograph equipped with flame ionization ditector (FID) after well mixed to be detected, retention and standard specimen according to each group swarming on chromatogram contrast carry out it is qualitative, it is quantitative using areas of peak normalization method；The quantitative result that sample to be identified is obtained carries out Euclidean distance cluster analysis in the lump with the true wine database data in original producton location, judges whether sample is the true wine in original producton location by Dendrogram.
Description
Technical field
The present invention relates to a kind of original producton location liquor classification method set up based on gas chromatographic technique, belong to liquor classification skill
Art field.
Background technology
Geographical sign, is also called mark of origin,《AGREEMENT ON TRADE RELATED ASPECTS OF INTELLECTUAL PROPERTY RIGHTS》(abbreviation TRIPS agreements)
The 1st section of 22 articles is defined as：" its mark goes out certain merchandise resources in certain member region, or the area in the region
Or somewhere, the extra fine quality of the commodity, prestige or other features are mainly relevant with the geographic origin ".Alcohol product is important
Agricultural product there is strong region feature, bigger protection is defined to drinks geographical sign in TRIPS agreements.
China white wine has great impetus as Chinese tradition alcoholic beverage to the development of national economy.In height
It is also increasingly serious to white wine abuse under the ordering about of volume profit, the particularly geography symbol product with high added value.Personation
Geography symbol product not only compromises the interests of consumer, and have impact on corporate reputation.Thus, China white wine authenticity
Detection and adulterated detection have turned into the outstanding problem of Liquor-making industry concern.It is then desired to develop a kind of quick, reliable detection
Method ensures the authenticity of white wine information.
At present, the Main Means to white wine detection and analysis are the detection of subjective appreciation, conventional chemical analysis method and sensor.
But rely solely on the subjective experience of taster and judge the quality of white wine, subjectivity is very strong, be hardly formed one and objectively comment
Price card is accurate.The domestic and international analysis method on original producton location food product is a lot, including ICP-MS, stable isotope mass spectrum, GC-
MS, LC-MS, GC, HPLC, infrared spectrum and other analysis methods etc., but it is main to be applied particularly to the method for alcohol product
Concentrate on GC-MS, IR, GC and HPLC etc..But no matter which kind of method used, have some limitations.Such as finger-print phase
Close Y-factor method Y evaluation to evaluate differentiating that the uniformity of sample is based on fuzzy " similarity is high " or " correlation is high ", work as detected sample
When the finger-print of product and the similarity of original producton location sample are between 0.8~0.9, it is difficult to make rational judgement.Simultaneously as
The particularity that white wine quality is formed, same batch products by different storage time or storage temperature, in it material phase
Mutually conversion, so as to cause the change of product original producton location characteristic (such as lipid, acids and aldehyde material) or forfeiture to make much to be based on
Organic acid, alcohol, the analysis method (such as IR, GC-MS, GC and HPLC) of aldehyde composition are difficult to have breakthrough in temporal adaptation.And
Based on element composition and content certain methods (such as ICP-MS, stable isotope mass spectrum) if by equipment price it is high, operate skill
Art requirement is high, and fluctuation of each element in different batches sample is big, and (main mixing including raw material sources ground, industrial water receives season
Section change etc.) etc. factor influence, there is not yet the successful identification case to carrying out counterfeit merchandise production under the conditions of original producton location, its space
The intrinsic defect of method is there is also in adaptation.
The content of the invention
According to the deficiencies in the prior art, the present invention provides a kind of original producton location liquor classification set up based on gas chromatographic technique
Method.
Technical scheme is as follows：
A kind of liquor classification method, comprises the following steps：
(1) the true wine sample in certain original producton location no less than 30 batches is selected, 3.0~8.0mL of pipette samples is in tool plug colorimetric respectively
Guan Zhong, adds the inner mark solution of the n-butyl acetate that 0.05~0.3mL volume fractions are 2%, enters after being well mixed and is furnished with hydrogen
The gas chromatograph of flame ionization detector (FID) detected, whole chromatographic peaks that sample analysis is obtained, containing ethanol and
Internal standard peak, using areas of peak normalization method, the relative correction factor of each composition is not considered, tries to achieve each Component peak area percentages,
And and standard control, the position of composition needed for being determined using retention time；
(2) each peak between ethanol and normal propyl alcohol is named as A areas, each peak name between ethyl lactate and ethyl hexanoate
Be B areas, each peak between n-butanol and isoamyl alcohol is named as C areas, by required composition acetaldehyde, methyl alcohol, normal propyl alcohol, ethyl acetate,
Isobutanol, acetal, n-butanol, isoamyl alcohol, ethyl butyrate, the degree of 11 compositions of ethyl lactate and ethyl hexanoate and
Totally 14 peak area percents of parameters set up that to turn into this kind of original producton location true to the region of A, B, C tri- peak area sum degree
Wine database, for subsequent data analysis；
(3) sample to be identified is detected according to above-mentioned processing method and identical chromatographic condition, is obtained 14 ginsengs
Number, cluster analysis is carried out using SPSS softwares Euclidean distance, and such as sample to be identified is individually clustered in dendrogram bottom,
And being more than or equal to 5 with the genetic distance of the true drinks group in original producton location, then the sample is the true wine in non-original producton location；As sample to be identified is gathered
Class is in the middle of the true drinks in original producton location group's dendrogram or individually to gather be a class, but is less than 5 with the genetic distance of the true drinks group in original producton location,
Then the sample is the true wine in original producton location.
Wherein, chromatographic condition described above is：Capillary column：AT-930 Liquor Analysis dedicated columns, column length 18m, internal diameter
0.53mm；Carrier gas is high-purity N2, flow velocity is 2.0mL/min；Sample size：1.0 μ L, split ratio is 20: 1, and injector temperature is 240
DEG C, dottle pin purging 6mL/min；Using temperature programming pattern, 50 DEG C of initial temperature keeps 6mL/min, then with 8 DEG C/min journeys
After sequence is warming up to 140 DEG C, then 4min is kept to after 180 DEG C with 30 DEG C/min temperature programmings；Detector temperature is 250 DEG C, H2Stream
Speed is 30mL/min, and air velocity is 300mL/min, and tail blows 25mL/min.
Described sample to be identified is no more than 3 months apart from the date of manufacture.
The effect of internal standard compound is mainly in the present invention：Internal standard compound and tested component are in same matrix, are eliminated every
The secondary error due to caused by sample size difference, and then make subsequently to calculate required composition and internal standard compound using areas of peak normalization method
Peak area percent it is more accurate.
Compared with prior art, advantages of the present invention is：The present invention is that the original producton location based on gas chromatographic technique foundation is white
Wine discrimination method, by quantitative result and the true wine database data in original producton location that sample to be identified is obtained carry out in the lump Euclid away from
From cluster analysis, judge whether sample is the true wine in original producton location by dendrogram；The discrimination method simple and fast, low cost is applicable
Certain original producton location white wine in identification apart from the date of manufacture no more than 3 months, and accuracy has reached 90% or so.
Brief description of the drawings
Fig. 1 is the chromatogram of the true wine sample in certain original producton location；
Fig. 2 is the vertical icicle of the average connection (between group) obtained using SPSS software Euclidean distances；
Fig. 3 is the dendrogram of the average connection (between group) obtained using SPSS software Euclidean distances.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
The 45 true wine samples in certain original producton location of batch 52%vol that acquisition in January, 2012 in June, 2013 produces, its production batch
Number it is shown in Table 1.
The true wine lot number in certain original producton location of the 52%vol of table 1.
45 batch sample 5.0mL is drawn respectively in color-comparison tube, adds the acetic acid that 0.1mL volume fractions are 2%
N-butyl inner mark solution, is well mixed the upper gas chromatograph for determination equipped with flame ionization ditector (FID).Wherein it is color
Spectral condition is：Capillary column：AT-930 Liquor Analysis dedicated columns, column length 18m, internal diameter 0.53mm；Carrier gas is high-purity N2, flow velocity is
2.0mL/min；Sample size：1.0 μ L, split ratio is 20: 1, and injector temperature is 240 DEG C, dottle pin purging 6mL/min；Using journey
Sequence heating mode, 50 DEG C of initial temperature keeps 6mL/min, then with 8 DEG C/min temperature programmings to after 140 DEG C, then with 30 DEG C/
Min temperature programmings keep 4min to after 180 DEG C；Detector temperature is 250 DEG C, H2Flow velocity is 30mL/min, and air velocity is
300mL/min, tail blows 25mL/min.
Whole chromatographic peaks (containing ethanol and n-butyl acetate internal standard) that sample analysis is obtained use areas of peak normalization method
(not considering the relative correction factor of each composition) tries to achieve each Component peak area percentages；And and standard control, during using retaining
Between determine needed for composition position.Each peak between ethanol and normal propyl alcohol is named as A areas；Between ethyl lactate and ethyl hexanoate
Each peak be named as B areas；Each peak between n-butanol and isoamyl alcohol is named as C areas.By required composition acetaldehyde, methyl alcohol, normal propyl alcohol,
Ethyl acetate, isobutanol, acetal, n-butanol, isoamyl alcohol, ethyl butyrate, ethyl lactate and ethyl hexanoate 11 the hundred of composition
Point than content and the region of A, B, C tri- peak area sum degree, totally 14 peak area percents of parameters set up that turn into should
The true wine database in original producton location is planted, for subsequent data analysis.
The result obtained by above-mentioned 45 batch sample is built into the true wine database (table 2) in this kind of original producton location of 52%vol.
The true wine database (unit in this kind of original producton location of 2. 52%vol of table：%)
Testing sample is drawn into 5.0mL in color-comparison tube, the n-butyl acetate that 0.1mL volume fractions are 2% is added
Inner mark solution, is well mixed the upper gas chromatograph for determination equipped with flame ionization ditector (FID).Wherein it is chromatographic condition
For：Capillary column：AT-930 Liquor Analysis dedicated columns, column length 18m, internal diameter 0.53mm；Carrier gas is high-purity N2, flow velocity is 2.0mL/
min；Sample size：1.0 μ L, split ratio is 20: 1, and injector temperature is 240 DEG C, dottle pin purging 6mL/min；Using temperature programming
Pattern, 50 DEG C of initial temperature keeps 6mL/min, then with 8 DEG C/min temperature programmings to after 140 DEG C, then with 30 DEG C/min programs
After being warming up to 180 DEG C, 4min is kept；Detector temperature is 250 DEG C, H2Flow velocity is 30mL/min, and air velocity is 300mL/
Min, tail blows 25mL/min.Whole chromatographic peaks (containing ethanol and n-butyl acetate internal standard) that sample analysis is obtained use peak area
Normalization method (not considering the relative correction factor of each composition) tries to achieve each Component peak area percentages；And and standard control, profit
The position of composition needed for being determined with retention time.
Each peak between ethanol and normal propyl alcohol is named as A areas；Each peak between ethyl lactate and ethyl hexanoate is named as B
Area；Each peak between n-butanol and isoamyl alcohol is named as C areas, obtains required composition acetaldehyde, methyl alcohol, normal propyl alcohol, ethyl acetate, different
Butanol, acetal, n-butanol, isoamyl alcohol, ethyl butyrate, the degree and A of 11 compositions of ethyl lactate and ethyl hexanoate,
The region of B, C tri- peak area sum degree totally 14 peak area percents of parameter.
The wine sample analysis result (unit to be identified of table 3.：%)
Sample Z1 analysis results (being shown in Table 3) to be identified are added in table 2, wherein, the 2nd~46 row is respectively the 1st~45
Number genuine piece sample, the 2nd~15 row are respectively 14 peak area percent data of parameter, 14 parameters of sample Z1 to be identified
The rows of data input Excel the 47th, and preserve.
Cluster analysis is carried out using SPSS softwares Euclidean distance, concrete operation step is as follows：
SPSS softwares are opened, is clicked on " file ", " opening text data ", in " file type " selection " Excel ", in catalogue
In find the Excel file of above-mentioned preservation, open corresponding worksheet；Click on：" analysis " --- " classification " --- " system is gathered
Class "；" V1 " is loaded into " mark case ", other all parameters are chosen, and are loaded into " variable ", and click on " drafting ", chooses " tree
Shape figure ", is clicked on " method ", and " Eudidean distances " is selected on " interval " column, is ultimately generated cluster data and (is shown in Table 4, table 5 respectively
And Fig. 2), it is drop-down to find dendrogram (see Fig. 3).
Table 4 is that the case treatment of the cluster obtained using SPSS software Euclidean distances is collected
Table 5 is the cluster table of the average connection (between group) obtained using SPSS software Euclidean distances
Cluster table
Observation dendrogram (see Fig. 3), sample Z1 to be identified is clustered in the middle of the true drinks group dendrogram in original producton location, can be sentenced
The fixed sample is the true wine in this kind of original producton location of 52%vol.
Claims (2)
1. a kind of liquor classification method, it is characterised in that comprise the following steps：
(1) the true wine sample in certain original producton location no less than 30 batches is selected, 3.0~8.0mL of pipette samples is in color-comparison tube for difference,
Add 0.05~0.3mL volume fractions be 2% n-butyl acetate inner mark solution, be well mixed after enter equipped with hydrogen flame from
The gas chromatograph of sonization detector detected, whole chromatographic peaks that sample analysis is obtained are used into areas of peak normalization method,
The relative correction factor of each composition is not considered, tries to achieve each Component peak area percentages, and and standard control, using retention time
It is determined that the position of required composition；
(2) region between ethanol and normal propyl alcohol is named as A areas, the region between ethyl lactate and ethyl hexanoate is named as B
Area, the region between n-butanol and isoamyl alcohol is named as C areas, by required composition acetaldehyde, methyl alcohol, normal propyl alcohol, ethyl acetate, isobutyl
Alcohol, acetal, n-butanol, isoamyl alcohol, ethyl butyrate, the degree and A of 11 compositions of ethyl lactate and ethyl hexanoate, B,
Set up as this kind of true wine number in original producton location by totally 14 peak area percents of parameter for C regional peak area sums degree
According to storehouse, for subsequent data analysis；
(3) sample to be identified is detected according to above-mentioned processing method and identical chromatographic condition, is obtained 14 parameters, adopted
Cluster analysis is carried out with SPSS softwares Euclidean distance, such as sample to be identified is individually clustered in dendrogram bottom, and with
The genetic distance of the true drinks group in original producton location is more than or equal to 5, then the sample is the true wine in non-original producton location；As sample to be identified is clustered
It is a class to gather in the middle of the true drinks group dendrogram in original producton location or individually, but is less than 5 with the genetic distance of the true drinks group in original producton location, then should
Sample is the true wine in original producton location；
Above-mentioned chromatographic condition is：Capillary column：AT-930 Liquor Analysis dedicated columns, column length 18m, internal diameter 0.53mm；Carrier gas is height
Pure N2, flow velocity is 2.0mL/min；Sample size：1.0 μ L, split ratio is 20: 1, and injector temperature is 240 DEG C, dottle pin purging 6mL/
min；Using temperature programming pattern, 50 DEG C of initial temperature keeps 6min, then with 8 DEG C/min temperature programmings to after 140 DEG C, then
With 30 DEG C/min temperature programmings to after 180 DEG C, 4min is kept；Detector temperature is 250 DEG C, H2Flow velocity is 30mL/min, air
Flow velocity is 300mL/min, and tail blows 25mL/min.
2. a kind of liquor classification method according to claim 1, it is characterised in that：Described sample to be identified distance production
Date is no more than 3 months.
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| CN108399433B (en) * | 2018-03-15 | 2021-11-12 | 泸州老窖集团有限责任公司 | Classification method based on fingerprint spectrum characteristics of white spirit |
| CN108445103A (en) * | 2018-03-20 | 2018-08-24 | 江南大学 | Method that is a kind of while detecting acetaldehyde and acetal |
| CN108765101A (en) * | 2018-06-29 | 2018-11-06 | 四川理工学院 | The flavour of food products self-sensing method of feedback is evaluated by terminal user based on internet |
| CN110780017A (en) * | 2019-12-10 | 2020-02-11 | 天津达仁堂京万红药业有限公司 | Fingerprint spectrum detection method for fen-flavor liquor |
| CN114846327A (en) * | 2019-12-20 | 2022-08-02 | 日本电信电话株式会社 | Determination system, verification device, and determination method |
| CN113917013B (en) * | 2021-09-30 | 2024-02-02 | 山东省葡萄研究院 | Method for measuring methanol and 5 higher alcohols in fruit distilled liquor by internal standard method |
| CN114062556B (en) * | 2021-11-19 | 2023-10-31 | 泸州老窖集团有限责任公司 | Carbon isotope composition detection method for white spirit flavor substances |
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| CN103217487B (en) * | 2012-12-14 | 2014-10-22 | 中华人民共和国中山出入境检验检疫局 | Analysis method for tracing import Merlot grape wine production place by using dual finger print |
| CN105319308B (en) * | 2014-07-07 | 2017-05-17 | 北京北分天普仪器技术有限公司 | Gas chromatography/mass spectrometry analysis apparatus of various compositions of white spirit, and analysis method thereof |
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