CN114544805B - Method for measuring mouth-to-mouth stability of heated cigarettes through electronic nose - Google Patents
Method for measuring mouth-to-mouth stability of heated cigarettes through electronic nose Download PDFInfo
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- CN114544805B CN114544805B CN202210114695.0A CN202210114695A CN114544805B CN 114544805 B CN114544805 B CN 114544805B CN 202210114695 A CN202210114695 A CN 202210114695A CN 114544805 B CN114544805 B CN 114544805B
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000391 smoking effect Effects 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000012141 concentrate Substances 0.000 claims abstract description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 22
- 229920006221 acetate fiber Polymers 0.000 claims description 18
- 239000000443 aerosol Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 238000002390 rotary evaporation Methods 0.000 claims description 7
- 238000004587 chromatography analysis Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000010358 mechanical oscillation Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000000284 extract Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 5
- 239000000796 flavoring agent Substances 0.000 description 5
- 235000019634 flavors Nutrition 0.000 description 5
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F42/00—Simulated smoking devices other than electrically operated; Component parts thereof; Manufacture or testing thereof
- A24F42/90—Testing
-
- 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
- G01N30/86—Signal analysis
- G01N30/8675—Evaluation, i.e. decoding of the signal into analytical information
- G01N30/8686—Fingerprinting, e.g. without prior knowledge of the sample components
Landscapes
- 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)
- Engineering & Computer Science (AREA)
- Library & Information Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a method for measuring the mouth-to-mouth stability of a heated cigarette by an electronic nose, which takes self-made heated cigarette as an object, uses a mouth-to-mouth smoking machine to smoke, collects the sol of each mouth-to-mouth heated cigarette, extracts and concentrates the solvent, carries out sample injection analysis on an obtained concentrated solution sample by the electronic nose, compares the smell fingerprint information of each mouth-to-mouth sample, and determines the similarity of spectrograms of all samples by calculation, thereby measuring the mouth-to-mouth stability of the heated cigarette. The method for measuring the mouth-to-mouth stability of the heated cigarettes by means of the electronic nose has the advantages of high detection speed, low detection limit, more types of measured substance components, good reproducibility and the like, is an objective, accurate and efficient analysis method, and has good potential application value.
Description
Technical Field
The invention relates to the field of novel tobacco heating cigarettes, in particular to a method for measuring the mouth-to-mouth stability of a heating cigarette by an electronic nose.
Background
The electric heating cigarette consists of an electric heating cigarette smoking set and an electric heating cigarette smoking set, adopts a non-combustion heating mode to replace the traditional combustion thermal cracking to release smoke, and generates an inhalable aerosol system at the heating temperature of about 200-350 ℃. Therefore, the heated cigarette has the advantages and characteristics of smaller harm, high safety, capability of better meeting the physiological and psychological demands of smokers, and the like, attracts a plurality of tobacco product consumers, and represents a good development potential in the international market.
At present, the most direct and effective evaluation method is through sensory effect, but due to the influence of factors such as different sensitivity of sense organs and different capturing degrees of various indexes, different physiological and psychological conditions, different environmental conditions and the like, the evaluation result description and judgment among the evaluation staff are different, which fully indicates that the sensory evaluation method has great limitation. When one or more flavor substances pass through the electronic nose, the smell fingerprint of the flavor substances can be perceived by a sensor and extracted through a special intelligent pattern recognition algorithm. Different gas samples can be distinguished and identified by utilizing different smell fingerprint information of different flavor substances, so that the electronic nose can distinguish and identify the collected flavor substances, and the stability of the similar instrument is best at present.
Disclosure of Invention
The invention aims to provide a method for measuring the mouth-to-mouth stability of a heated cigarette by an electronic nose, which aims to solve the problem of limitation of a sensory evaluation method.
In order to achieve the above purpose, the application is realized by the following technical scheme:
a method for measuring the mouth-to-mouth stability of a heated cigarette by an electronic nose comprises the following steps:
s1, collecting heated cigarette aerosol
Installing the heated cigarette in a mouth-by-mouth smoking machine, installing the heated cigarette in a multi-hole smoking machine, and installing a Cambridge filter disc into a catcher to catch heated cigarette aerosol;
S2, pretreatment of aerosol
After the suction is finished, the Cambridge filter disc containing the phase objects with the same mouth sequence is placed in a conical bottle with a plug, methylene dichloride extraction solution is added, after mechanical oscillation and standing, the extraction solution and the filter disc are transferred into a sand core funnel for filtering to obtain filtrate, a filtrate filtering membrane is placed into a rotary evaporation bottle for decompression rotary evaporation concentration to obtain concentrated solution, and electronic nose analysis is carried out after the filtering membrane;
S3, electronic nose analysis
Separating, identifying, quantifying and performing rapid chromatographic analysis on the concentrated solution by adopting HERACLES II ultra-rapid gas-phase smell fingerprint analyzer to obtain an electronic spectrogram;
S4, evaluating smoke mouth-by-mouth stability
According to the electronic nose spectrogram of the mouth-by-mouth smoke, a similarity model is established by comparing and analyzing the electronic nose spectrogram of a set number and the content change of key components, and the chemical component content difference between the chemical components of the mouth-by-mouth smoke is quantified, so that the mouth-by-mouth stability of the heated cigarettes is measured.
Further, the step S1 is preceded by preparing a heating cigarette, the heating cigarette is composed of four sections of materials of a sheet rod, a hollow acetate fiber rod, a paper cooling rod and the acetate fiber rod, a 2+2 composite technology is adopted, the sheet rod and the hollow acetate fiber rod are compounded to form a sheet composite rod, the paper rod and the acetate fiber rod are compounded to form a paper-based composite rod, and the two composite rods are compounded again and cut to form the heating cigarette.
Further, the total length of the heated cigarette is 50mm, wherein the length of the sheet rod is 15mm, the length of the hollow acetate fiber rod is 10mm, the length of the paper cooling rod is 15mm, and the length of the acetate fiber rod is 10mm.
Further, the pretreatment of the aerosol in the step S2 is specifically that after the suction is finished, a Cambridge filter disc containing the phase-ordered particle matter is placed in a 100mL conical flask with a plug, 50mL of dichloromethane extraction solution is added, after mechanical oscillation is carried out for 30min, standing is carried out for 5min, the extraction solution and the filter disc are transferred into a sand core funnel for filtration, and 10mL of dichloromethane is used for flushing the triangular flask and the sand core funnel to obtain filtrate; filtering the filtrate with 0.44 μm filter membrane into 100mL rotary evaporation bottle, concentrating under reduced pressure at 40deg.C until the final concentrate is 2mL, and performing electronic nose analysis after passing through 0.44 μm filter membrane.
Further, in step S3, HERACLES II comprises two columns of different polarities, MXT-5 and MXT-1701, wherein MXT-5 is a nonpolar column, MXT-1701 is a weak polar column, and the length is 10m and the column diameter is 18 μm.
Further, in step S4, a similarity model is established by comparing and analyzing 10 electronic nose spectrograms and the content variation of the key components.
The beneficial effects of the invention are as follows:
The method for measuring the mouth-to-mouth stability of the heated cigarettes by means of the electronic nose is an objective, accurate and efficient analysis method and has good potential application value.
Drawings
FIG. 1 is an electronic nose spectrogram of a first smoke chemistry;
Fig. 2 is a graph of the release similarity of heated cigarettes from mouth to mouth.
Detailed Description
The following detailed description of the present application is provided by way of example only, and is not to be construed as limiting the scope of the application.
According to the technical scheme, self-made (tobacco taste) heating cigarette is taken as an object, after the heating cigarette is inserted into a heating cigarette smoking set, a mouth-by-mouth smoking machine is used for smoking, each mouth of heating cigarette aerosol is collected, solvent extraction and concentration are carried out, sample injection analysis is carried out on an obtained concentrated solution sample through an electronic nose, the similarity of each sample spectrogram is determined through calculation by comparing the smell fingerprint information of each mouth-by-mouth sample, and therefore mouth-by-mouth stability of the heating cigarette is determined. In the aspect of separating and identifying the compounds, the main component analysis of HERACLES II (electronic nose) is to search the relevant information of the samples under a certain visual angle by carrying out linear transformation on the original data vector on the premise of not knowing the tested samples, repeatedly achieving the purpose of distinguishing the samples by changing the coordinate axis, simultaneously adopting normal alkane standard solution (nC 6-nC 16) for calibration, converting the retention time into retention index, and then carrying out qualitative analysis on the compounds by using a ArochemBaes database. The technology has the advantages of high detection speed, low detection limit, more types of measured substance components, good reproducibility and the like.
Referring to fig. 1 and 2, the application provides a method for determining the mouth-to-mouth stability of a heated cigarette by an electronic nose, which comprises the following steps:
step (1), self-heating cigarette cigarettes:
The heating cigarette is composed of a sheet rod, a hollow acetate fiber rod, a paper cooling rod and a acetate fiber rod. The total length of the cigarette is 50mm, wherein the length of the slice rod is 15mm, the length of the hollow acetate fiber rod is 10mm, the length of the paper cooling rod is 15mm, and the length of the acetate fiber rod is 10mm. And a 2+2 composite process is adopted, a sheet bar and a hollow acetate fiber bar are compounded to form a sheet composite bar, a paper bar and a acetate fiber bar are compounded to form a paper-based composite bar, and the two composite bars are compounded again and cut to form the heating cigarette.
Step (2), collecting heating coil smoke sol:
Self-made (tobacco flavor) heating cigarette is arranged in a mouth-by-mouth smoking machine, arranged in a multi-hole smoking machine, and a Cambridge filter disc is arranged in a catcher to catch heating cigarette aerosol. Starting the smoking set, immediately starting the suction of the 1 st port after preheating, sucking each channel port by port, taking down the smoking set after the suction of the 10 th channel is finished, and replacing cigarettes. 20 heated cigarettes were collected per mouth sequence for the aerosol.
Step (3), pretreatment of aerosol:
After the suction is finished, the Cambridge filter disc containing the homooral granular phase substance is placed in a 100mL conical flask with a plug, 50mL of dichloromethane extraction solution is added, after mechanical oscillation is carried out for 30min, standing is carried out for 5min, the extraction solution and the filter disc are transferred into a sand core funnel for filtration, and the triangular flask and the sand core funnel are washed with 10mL of dichloromethane, so that filtrate is obtained. Filtering the filtrate with 0.44 μm filter membrane into 100mL rotary evaporation bottle, concentrating under reduced pressure at 40deg.C until the final concentrate is 2mL, and performing electronic nose analysis after passing through 0.44 μm filter membrane.
Step (4), electronic nose analysis:
And separating, identifying and quantifying the compound by adopting HERACLES II ultra-fast gas-phase smell fingerprint analyzer (electronic nose), and performing fast chromatographic analysis to obtain an electronic nose spectrogram. HERACLES II comprises two chromatography columns of different polarity, MXT-5 and MXT-1701, wherein MXT-5 is a nonpolar chromatography column and MXT-1701 is a weak polar chromatography column, 10m long and 18 μm in column diameter.
Step (5), evaluating the stability of smoke after opening:
According to the electronic nose spectrograms of the mouth-by-mouth smoke, the 10 electronic nose spectrograms and the key component content change are compared and analyzed to establish a similarity model, and the chemical component content difference between the chemical components of the mouth-by-mouth smoke is quantified, so that the purpose of measuring the mouth-by-mouth stability of the heated cigarettes is achieved.
The present application is not limited to the above embodiments, but is not limited to the above embodiments, and any person skilled in the art will have obvious modifications and modifications equivalent to those of the equivalent embodiments, and can make various changes and modifications without departing from the scope of the present application.
Claims (4)
1. The method for measuring the mouth-to-mouth stability of the heated cigarettes by the electronic nose is characterized by comprising the following steps of:
s1, collecting heated cigarette aerosol
Installing the heated cigarette in a mouth-by-mouth smoking machine, installing the heated cigarette in a multi-hole smoking machine, and installing a Cambridge filter disc into a catcher to catch heated cigarette aerosol;
S2, pretreatment of aerosol
After the suction is finished, the Cambridge filter disc containing the phase objects with the same mouth sequence is placed in a conical bottle with a plug, methylene dichloride extraction solution is added, after mechanical oscillation and standing, the extraction solution and the filter disc are transferred into a sand core funnel for filtering to obtain filtrate, a filtrate filtering membrane is placed into a rotary evaporation bottle for decompression rotary evaporation concentration to obtain concentrated solution, and electronic nose analysis is carried out after the filtering membrane;
S3, electronic nose analysis
Separating, identifying, quantifying and performing rapid chromatographic analysis on the concentrated solution by adopting HERACLES II ultra-rapid gas-phase smell fingerprint analyzer to obtain an electronic spectrogram;
HERACLES I I comprises two chromatographic columns of different polarities, MXT-5 and MXT-1701, wherein MXT-5 is a nonpolar chromatographic column and MXT-1701 is a weak polar chromatographic column, and the length is 10m and the column diameter is 18 μm;
S4, evaluating smoke mouth-by-mouth stability
According to the electronic nose spectrogram of the mouth-by-mouth smoke, comparing and analyzing the electronic nose spectrogram of a set number and the content change of key components to establish a similarity model, and quantifying the content difference of chemical components among the chemical components of the mouth-by-mouth smoke, thereby realizing the determination of the mouth-by-mouth stability of the heated cigarettes;
And comparing and analyzing 10 electronic nose spectrograms and the content change of the key components to establish a similarity model.
2. The method for determining the mouth-to-mouth stability of a heated cigarette according to claim 1, wherein the method is characterized in that the method comprises the steps of preparing a heated cigarette before the step S1, wherein the heated cigarette comprises four sections of materials of a sheet rod, a hollow acetate fiber rod, a paper cooling rod and a acetate fiber rod, a 2+2 composite technology is adopted, the sheet rod and the hollow acetate fiber rod are combined to form a sheet composite rod, the paper rod and the acetate fiber rod are combined to form a paper-based composite rod, and the two composite rods are combined again and cut to form the heated cigarette.
3. The method for determining the mouth-to-mouth stability of a heated cigarette according to claim 2, wherein the total length of the heated cigarette is 50mm, wherein the length of the sheet rod is 15mm, the length of the hollow acetate fiber rod is 10mm, the length of the paper cooling rod is 15mm, and the length of the acetate fiber rod is 10mm.
4. The method for determining the mouth-to-mouth stability of the heated cigarettes by the electronic nose according to claim 1, wherein the pretreatment of the aerosol in the step S2 is specifically that after the suction is finished, a Cambridge filter disc containing a phase object with the same mouth sequence is placed in a 100mL conical flask with a plug, 50mL of dichloromethane extraction solution is added, after mechanical oscillation is carried out for 30min, standing is carried out for 5min, the extraction solution and the filter disc are transferred into a sand core funnel, filtration is carried out, and the triangular flask and the sand core funnel are washed by 10mL of dichloromethane, so that filtrate is obtained; filtering the filtrate with 0.44 μm filter membrane into 100mL rotary evaporation bottle, concentrating under reduced pressure at 40deg.C until the final concentrate is 2mL, and performing electronic nose analysis after passing through 0.44 μm filter membrane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210114695.0A CN114544805B (en) | 2022-01-30 | 2022-01-30 | Method for measuring mouth-to-mouth stability of heated cigarettes through electronic nose |
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| CN202210114695.0A CN114544805B (en) | 2022-01-30 | 2022-01-30 | Method for measuring mouth-to-mouth stability of heated cigarettes through electronic nose |
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| CN114544805A CN114544805A (en) | 2022-05-27 |
| CN114544805B true CN114544805B (en) | 2024-05-10 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG108864A (en) * | 2004-09-01 | 2006-03-31 | Солея ДАНЬО | Method for the evaluation of the aroma of tobacco smoke and classification by aroma of types and varieties of tobaccos |
| WO2009125209A1 (en) * | 2008-04-10 | 2009-10-15 | British American Tobacco (Investments) Limited | Filter material preparation |
| CN101603959A (en) * | 2009-06-29 | 2009-12-16 | 上海应用技术学院 | A kind of method of fast measuring similarity of pork flavor |
| CN102645502A (en) * | 2012-04-23 | 2012-08-22 | 上海应用技术学院 | Method for detecting age of yellow rice wine by using high-speed gas chromatography type electronic nose fingerprint analysis system |
| CN202748253U (en) * | 2012-05-03 | 2013-02-20 | 北京慧荣和科技有限公司 | Electronic nose cigarette smoking system |
| CN204064745U (en) * | 2014-07-16 | 2014-12-31 | 云南中烟工业有限责任公司 | A kind of electronic cigarette gasoloid aspirates capturing device by mouth |
| CN104267134A (en) * | 2014-09-03 | 2015-01-07 | 上海应用技术学院 | Method for identifying brand of Chinese liquor by rapid gas phase electronic nose |
| CN104764849A (en) * | 2015-04-28 | 2015-07-08 | 湖北中烟工业有限责任公司 | Method for evaluating quality stability of natural tobacco flavor through chromatogram similarity |
| CN113080530A (en) * | 2021-04-09 | 2021-07-09 | 福建中烟工业有限责任公司 | Electronic cigarette, control method and controller thereof, and computer-readable storage medium |
| CN113125590A (en) * | 2021-03-23 | 2021-07-16 | 中国农业科学院茶叶研究所 | Objective evaluation method for aroma quality of Yunnan red congou tea soup based on rapid gas-phase electronic nose technology |
| CN113671063A (en) * | 2021-07-12 | 2021-11-19 | 河南中烟工业有限责任公司 | Method for measuring ester transfer rate in heated cigarette |
| CN113876022A (en) * | 2021-09-20 | 2022-01-04 | 河南中烟工业有限责任公司 | High-molecular latent-fragrance slow-release material and application thereof in heating cigarettes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210080435A1 (en) * | 2019-09-18 | 2021-03-18 | Epc Natural Products Co., Ltd. | Devices and methods for flavor analysis |
-
2022
- 2022-01-30 CN CN202210114695.0A patent/CN114544805B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG108864A (en) * | 2004-09-01 | 2006-03-31 | Солея ДАНЬО | Method for the evaluation of the aroma of tobacco smoke and classification by aroma of types and varieties of tobaccos |
| WO2009125209A1 (en) * | 2008-04-10 | 2009-10-15 | British American Tobacco (Investments) Limited | Filter material preparation |
| CN101603959A (en) * | 2009-06-29 | 2009-12-16 | 上海应用技术学院 | A kind of method of fast measuring similarity of pork flavor |
| CN102645502A (en) * | 2012-04-23 | 2012-08-22 | 上海应用技术学院 | Method for detecting age of yellow rice wine by using high-speed gas chromatography type electronic nose fingerprint analysis system |
| CN202748253U (en) * | 2012-05-03 | 2013-02-20 | 北京慧荣和科技有限公司 | Electronic nose cigarette smoking system |
| CN204064745U (en) * | 2014-07-16 | 2014-12-31 | 云南中烟工业有限责任公司 | A kind of electronic cigarette gasoloid aspirates capturing device by mouth |
| CN104267134A (en) * | 2014-09-03 | 2015-01-07 | 上海应用技术学院 | Method for identifying brand of Chinese liquor by rapid gas phase electronic nose |
| CN104764849A (en) * | 2015-04-28 | 2015-07-08 | 湖北中烟工业有限责任公司 | Method for evaluating quality stability of natural tobacco flavor through chromatogram similarity |
| CN113125590A (en) * | 2021-03-23 | 2021-07-16 | 中国农业科学院茶叶研究所 | Objective evaluation method for aroma quality of Yunnan red congou tea soup based on rapid gas-phase electronic nose technology |
| CN113080530A (en) * | 2021-04-09 | 2021-07-09 | 福建中烟工业有限责任公司 | Electronic cigarette, control method and controller thereof, and computer-readable storage medium |
| CN113671063A (en) * | 2021-07-12 | 2021-11-19 | 河南中烟工业有限责任公司 | Method for measuring ester transfer rate in heated cigarette |
| CN113876022A (en) * | 2021-09-20 | 2022-01-04 | 河南中烟工业有限责任公司 | High-molecular latent-fragrance slow-release material and application thereof in heating cigarettes |
Non-Patent Citations (6)
| Title |
|---|
| Contribution of tobacco composition compounds to characteristic aroma of Chinese faint-scent cigarettes through chromatography analysis and partial least squares regression;Fei Yin，等;Journal of Chromatography B;20181203;第1105卷;全文 * |
| HS-SPME结合GC-MS法建立金沙窖酒指纹图谱;马龙利;张情亚;余德顺;邱树毅;邹江鹏;王长存;于海;;中国酿造(第07期);全文 * |
| 中药指纹图谱对香烟质量控制的启示;黄映凤;杨君;郭伟强;陈恒武;何巧红;李桂花;程伟娜;;理化检验(化学分册)(第01期);全文 * |
| 加热卷烟中6种烤甜香单体香料的逐口转移行为;郑峰洋等;烟草科技;第54卷(第12期);第47-51页 * |
| 新疆亚麻籽油香气指纹图谱的构建与研究;魏长庆;周琦;陈卓;王永瑞;李琳;刘文玉;;中国粮油学报(第03期);全文 * |
| 河南烤烟多酚类指纹图谱地理标识的建立;郑亚楠;赵铭钦;;中国农业科技导报(第03期);全文 * |
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