CN103593561A - Method for representing style characteristics of tobacco by adopting characteristic indexes - Google Patents

Method for representing style characteristics of tobacco by adopting characteristic indexes Download PDF

Info

Publication number
CN103593561A
CN103593561A CN201310551840.2A CN201310551840A CN103593561A CN 103593561 A CN103593561 A CN 103593561A CN 201310551840 A CN201310551840 A CN 201310551840A CN 103593561 A CN103593561 A CN 103593561A
Authority
CN
China
Prior art keywords
tobacco
style
tobacco leaf
delicate fragrance
indexes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310551840.2A
Other languages
Chinese (zh)
Other versions
CN103593561B (en
Inventor
杨式华
周桂园
侯英
冯洪涛
陈剑明
冯斌
孔兰芬
李伟
王家俊
王保兴
杨蕾
李艳芳
刘静
杨燕
邹悦
董胜强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongyun Honghe Tobacco Group Co Ltd
Yunnan Reascend Tobacco Technology Group Co Ltd
Original Assignee
Hongyun Honghe Tobacco Group Co Ltd
Yunnan Reascend Tobacco Technology Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongyun Honghe Tobacco Group Co Ltd, Yunnan Reascend Tobacco Technology Group Co Ltd filed Critical Hongyun Honghe Tobacco Group Co Ltd
Priority to CN201310551840.2A priority Critical patent/CN103593561B/en
Publication of CN103593561A publication Critical patent/CN103593561A/en
Application granted granted Critical
Publication of CN103593561B publication Critical patent/CN103593561B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Abstract

The invention relates to a method for representing style characteristics of tobacco by adopting characteristic indexes. The method comprises the steps that the characteristic chemical indexes of the tobacco are sifted and selected, the corresponding style characteristic indexes TQ of the tobacco are calculated, and the style characteristics of rhyme fragrance of raw materials of the tobacco are reflected through the TQ indexes; according to the computation of the TQ indexes, factors and related factor weight closely related to typical fresh scent tobacco are adopted, wherein the computational formula is: a TQ value=sigma(positive correlation factors*weight factors)/sigma(negative correlation factors* weight factors); the positive correlation factors are the indexes of the content higher than the other types of tobacco in the typical fresh scent tobacco, and the negative correlation factors are the indexes of the content lower than the other types of tobacco in the typical fresh scent tobacco; the typical fresh scent tobacco is tobacco Honghuadajinyuan; after the principal components of the tobacco is analyzed, the percentages of the characteristic values of all the principal components accounting for variance are the weight factors of the indexes closely related to the principal components; the larger the TQ value is, the more obvious the style characteristics of fresh scent are. The method has positive and important effects on scientifically identifying the style characteristics of the tobacco and effectively improving the use rate of the raw materials of the tobacco.

Description

A kind of method that adopts characteristic exponent to characterize tobacco style feature
Technical field
The invention belongs to technical field of tobacco, relate to a kind of method that characterizes tobacco style feature.
Background technology
In technical field of tobacco, to say to a certain extent, raw tobacco material category is the important content that cigarette category builds, the wool fabric type of raw tobacco material has determined the trend of cigarette product category.How objective and characterize simply and evaluate the style and features of tobacco leaf kind, be the focus of tobacco business research at present.
In recent years, a large amount of tobacco leaf grouping and quality research in industry, have been carried out, but major part is the analysis to the research of raw material grouping process technology and material quality, to carrying out the attribute classification research of raw tobacco material, and it is relatively less to promote that cigarette category builds research aspect.Existing the whole bag of tricks, all has certain positive role to the quality assessment of tobacco, but it is still less to be really applied to the further research that raw material category builds, or not very good for attribute classification result.First, because the chemical composition in tobacco is very complicated, only by several scattered indexs, be also not enough to comprehensively, reflect accurately, objectively tobacco quality; Secondly, existing method still is being apparent not enough aspect raw tobacco material category structure, is difficult to diversified raw tobacco material to sort out preferably.Thereby attempt by utilizing modern instrumental analysis means, searching is to smoking property of cigarette style and larger index or the compound of quality influence, thereby the object that reach objective, accurate, comprehensively reflects cigarette style characteristic is especially aobvious important, and TQ index can characterize from the angle of tobacco leaf intrinsic chemical composition the feature of cigarette style.So-called TQ index, refers to by the feature chemical index to tobacco leaf and screens and accept or reject, the corresponding tobacco style characteristic exponent calculating.
Summary of the invention
The object of the invention is to lack for the situation of above-mentioned prior art and the method for domestic effective differentiation at present and sign raw tobacco material style and features, and a kind of custom-designed method that adopts characteristic exponent to characterize tobacco style feature.The method reflects the style and features of raw tobacco material delicate fragrance rhythm by TQ characteristic exponent, for judgement and the sign of tobacco style classification provides a kind of new method, its result of study, to science identification tobacco style feature, effectively improves the effect that raw tobacco material utilization factor has positive important.
Object of the present invention is achieved through the following technical solutions:
Adopt characteristic exponent to characterize a method for tobacco style feature, by the feature chemical index to tobacco leaf, screen and accept or reject, calculate corresponding tobacco style characteristic exponent TQ, by the style and features of TQ index reflection raw tobacco material delicate fragrance rhythm; TQ index calculates and adopts and the closely-related factor of typical delicate fragrance type tobacco leaf and correlation factor weight, and its computing formula is:
TQ value=∑ (the positive correlation factor * weight factor)/∑ (the negative correlation factor * weight factor);
In above formula, the positive correlation factor is the content index high compared with other kind tobacco leaves in typical delicate fragrance type tobacco leaf, and the negative correlation factor is the content index low compared with other tobacco leaves in typical delicate fragrance type tobacco leaf; Described typical delicate fragrance type tobacco leaf is red large tobacco leaf; By to after tobacco leaf principal component analysis (PCA), the percentage of the shared variance of each major component eigenwert is the weight factor of the index being closely related with this major component; TQ value is larger, and delicate fragrance type style and features is more obvious, and along with reducing of TQ value, tobacco leaf delicate fragrance type style and features weakens.
The positive correlation factor of the present invention comprises xenthophylls, chlorogenic acid, glucose, volatilization alcohols, volatilization aldehydes; The described negative correlation factor comprises Megastigmatrienone, solanone, volatilization ketone, beta carotene catabolite, ligroin extraction, malic acid; Described tobacco leaf major component refers to by Chemical Measurement statistic software SPSS is undertaken after major component calculating, and six major components of acquisition are respectively the first principal component, the second main composition, the 3rd main composition, the 4th main composition, the 5th main composition, the 6th main composition.
The inventive method can reflect tobacco leaf delicate fragrance style degree by character numerical value TQ index, for judgement and the sign of tobacco style feature provides a kind of new method.The present invention possesses following characteristics in application process:
1, by the calculating to tobacco leaf TQ value, to differentiate and to characterize raw tobacco material, contribute to adjustment and the optimization of cigarette product production and processing;
2, accurate and effective to the differentiation of tobacco leaf and sign;
3, analyzing and testing index is less, returns that to sentence accuracy rate high, quick to the differentiation of tobacco leaf and characterization, in continuity large-scale production, has feasibility;
4, to realizing the category of diversified raw tobacco material, build pattern, to making rational planning for of raw tobacco material, effectively improve raw tobacco material utilization factor and there is positive effect.
Embodiment
Below by instantiation, the invention will be further described.
Employing characteristic exponent provided by the invention characterizes the method for tobacco style feature and is screened and accepted or rejected by the feature chemical index to tobacco leaf, calculates corresponding tobacco style characteristic exponent TQ, by the style and features of TQ index reflection raw tobacco material delicate fragrance rhythm; TQ index calculates and adopts and the closely-related factor of typical delicate fragrance type tobacco leaf and correlation factor weight, and its computing formula is:
TQ value=∑ (the positive correlation factor * weight factor)/∑ (the negative correlation factor * weight factor);
In above formula, the positive correlation factor is the content index high compared with other kind tobacco leaves in typical delicate fragrance type tobacco leaf, and the negative correlation factor is the content index low compared with other tobacco leaves in typical delicate fragrance type tobacco leaf; Described typical delicate fragrance type tobacco leaf is red large tobacco leaf; The positive correlation factor comprises xenthophylls, chlorogenic acid, glucose, volatilization alcohols, volatilization aldehydes; The negative correlation factor comprises Megastigmatrienone, solanone, volatilization ketone, beta carotene catabolite, ligroin extraction, malic acid.Each correlation factor and feature are described in Table 1, and in table, each index is all closely related with tobacco style quality.
The typical fresh and sweet cigarette leaf correlation factor table of table 1
Figure BDA0000411407340000041
By to after tobacco leaf principal component analysis (PCA), the percentage of the shared variance of each major component eigenwert is the weight factor of the index being closely related with this major component.Described tobacco leaf major component refers to by conventional Chemical Measurement statistic software SPSS is undertaken after major component calculating, six major components that obtain, using the weight of major component as the weight of high index of correlation (in Table 2, table 3), 6 main compositions have been extracted altogether, be respectively the first principal component, the second main composition, the 3rd main composition, the 4th main composition, the 5th main composition, the 6th main composition, represented 85.57% weight of sample message.Table 3 has been listed the correlativity of each index and main composition, and concrete main composition weight and index of correlation are in Table 4.As can be seen from the table, Megastigmatrienone, glucose, ligroin extraction and first principal component close relation, its weight is 20.081%.
Table 2 population variance weight table
Figure BDA0000411407340000051
The postrotational one-tenth sub matrix of table 3 quadrature (being the correlativity of each index and main composition)
Main one-tenth umber 1 2 3 4 5 6
Nicotine .414 .370 -.067 .404 -.500 .111
Potassium .151 .070 -.008 -.170 .912 .035
Carrotene catabolite .394 .507 .723 .044 .087 -.037
Volatile aldehyde .263 .793 .387 .043 .110 -.013
Volatility ketone .098 .225 .835 .285 -.174 -.181
Volatility alcohols .376 .684 .246 .176 .027 .233
Megastigmatrienone .805 .391 .237 .033 .092 -.022
Solanone .331 .303 .151 .728 -.178 -.172
Dihydroactinidiolide -.099 .196 .201 .125 .079 -.045
Chlorogenic acid -.464 -.237 .265 .682 .148 .155
Main one-tenth umber 1 2 3 4 5 6
Xenthophylls .016 -.032 -.171 -.177 .011 .937
Glucose -.797 -.292 -.174 .113 .064 -.215
Malic acid .199 -.474 .116 -.683 .090 .331
Isovaleric acid .066 -.005 .311 .762 -.286 -.122
Ligroin extraction .892 .072 -.113 .038 .130 -.114
PH value -.305 -.467 -.267 -.100 .124 .264
Table 4 tobacco leaf index factor weight
Main composition Weight (%) The high index of correlation factor
1 20.081 Megastigmatrienone, glucose, ligroin extraction
2 17.428 Volatile aldehyde, volatility alcohols
3 16.572 Carrotene catabolite, volatility ketone
4 15.132 Solanone, chlorogenic acid, malic acid, isovaleric acid
5 8.300 Potassium
6 8.056 Xenthophylls
1,2,3,4,5,6 major components for the generation of statistics software in table 4, or the new factor forming after statistics, without name.
According to TQ value calculating method, typical delicate fragrance type tobacco leaf is analyzed, be the results are shown in Table 5.The TQ value of typical delicate fragrance type tobacco leaf (first-class red large tobacco leaf) is higher as can be seen from Table 5, and import module TQ value is lower, and the height of this index can be described degree and the trend of tobacco style delicate fragrance rhythm.
The TQ value of table 5 formula tobacco leaf
Sample title TQ value Sample title TQ value
Dali-red is large-C3F 1.538 Qujing-NC297-B3F 0.861
Kunming-red is large-C3F 1.361 Red River-NC297-C3F 0.855
Kunming-red is large-B3F 1.203 Kunming-cloud 87-B1F 0.855
Baoshan-red is large-C4F 1.200 Xuan Fu-BSF 0.853
Baoshan-red is large-CSF 1.182 Red River-K326-C3F 0.849
Qujing-red is large-C3F 1.176 Module-SM3 outside the province 0.847
Kunming-red is large-X2F 1.171 Qujing-B2F 0.842
Qujing-NC297-B2F 1.066 Red River-K326-C3F 0.842
Qujing-red is large-C3L 1.058 Red River A-C3F 0.839
Jin An high-red large-C3L 1.035 Red River-ZYSF 0.834
Red River-V2-C1F 1.032 Red River-cloud 87-C4F 0.833
Mountain of papers-NC297-CSF 1.030 Kunming-B1F 0.828
Sample title TQ value Sample title TQ value
Chuxiong-cloud 87-MZL 1.020 Kunming-C2F 0.820
Qujing-cloud 87-B3F 0.998 Red River-CSZ 0.817
Kunming-red is large-BSF 0.980 Red River-red is large-X3F 0.787
The Baoshan-NC297-B3F 0.977 Red River-red is large-C4F 0.786
Kunming-K326-C3F 0.975 Henan Xuchang-MZL 0.779
Qujing-K326-B2F 0.968 Qujing-K326-MZF 0.773
Red River-cloud 97-C3F 0.941 Red River-cloud 85-X2F 0.748
Red River-cloud 87-C3F 0.939 Mountain of papers-BSF 0.741
Red River-NC297-C2F 0.900 Qujing-K326-C4F 0.726
Kunming-CSL 0.896 Mountain of papers-BSF 0.709
Mountain of papers-C4F 0.896 Red River-red is large-C4F 0.703
Red River-ZYSF 0.890 Red River-cloud 87-X3F 0.681
Kunming-C3L 0.888 Red River-X4F 0.677
Red River-K326-C4F 0.887 Import module-YM1M-FPW 0.661
The Baoshan-cloud 85-B2F 0.880 Kunming-NC102-XZF 0.650
Shi Yi-cloud 87-C3F 0.872 Mountain of papers-C3F 0.638
Qujing-C4F 0.864 Import module-YM2P-FPW 0.600
Raw tobacco material is carried out to TQ value to be calculated, listed in Table 6, result also shows, the TQ value of typical case's delicate fragrance type tobacco leaf (first-class red large tobacco leaf) is larger, show that this index has certain actual application value to describing the delicate fragrance style of tobacco leaf, in the group replacement of formula leaf or raw tobacco material module, add man-hour, can be based on raw tobacco material TQ value, select the tobacco leaf that style is approximate, reduce the tobacco leaf amount of smokeing panel test.
The TQ value of table 6 raw tobacco material
Area Kind Grade TQ value
Dali Red large C3F 1.984
Dali Red large C3F 1.712
Dali Red large C3F 1.684
Shi Yi Red large C3F 1.650
Dali Red large C3F 1.626
Lu Fu seeks Red large C3F 1.548
Kunming Red large C3F 1.464
Kunming Red large C3F 1.443
Dali Red large C3F 1.404
Qujing Red large B2F 1.321
Shi Yi Red large C3F 1.279
Area Kind Grade TQ value
Qujing Red large C3F 1.232
Shi Yi Cloud 87 C3F 1.193
Qujing Cloud 87 B2F 1.185
Red River Red large C3F 1.176
Qujing Red large C3F 1.171
Qujing K326 B2F 1.143
Qujing K326 B2F 1.138
Fujian CB-1 C3F 1.120
Qujing V2 B2F 1.120
Shi Yi Cloud 87 C3F 1.098
Jin An is high Red large C3F 1.088
Qujing NC297 C3F 1.064
Kunming Cloud 87 C3F 1.054
Qujing K326 C3F 1.046
Kunming NC297 C3F 1.031
The Baoshan NC297 C3F 1.026
Qujing NC102 B2F 1.011
Red River V2 C3F 1.002
Jin An is high K326 C3F 0.991
Red River V2 B2F 0.987
Dali Cloud 85 C3F 0.981
Kunming Cloud 87 B2F 0.964
Red River V2 C3F 0.958
Red River Cloud 85 C3F 0.934
Red River K326 B2F 0.904
Red River NC297 C3F 0.892
Red River Cloud 85 C3F 0.870
Red River Cloud 85 C3F 0.838
Shi Yi Cloud 87 C3F 0.829
Jin An is high NC297 C3F 0.811
Red River K326 B2F 0.802
Red River NC297 B2F 0.791
Red River K326 B2F 0.775
Xuchang, Henan Zhongyan-100 B2F 0.765
Area Kind Grade TQ value
Mountain of papers K326 C3F 0.749
Domestic other K326 X2F 0.737
Sanming, Fujian Province K326 C3F 0.727
Hubei K326 C3F 0.703
Sanming, Fujian Province CB-1 C3F 0.695
Hubei K326 B2F 0.678
Red River K326 X2F 0.653
Red River K326 X2F 0.644
Linyi, Shandong NC89 C3F 0.640
Red River K326 X2F 0.631
Red River K326 X2F 0.552
Closely related in order to verify TQ value and tobacco leaf delicate fragrance style trend, adopt the method for smokeing panel test of matching, 38 groups of samples of random choose, by the large, medium and small distribution of TQ value, every component is A, B, C, and wherein TQ value size order is A>B>C, carrying out tobacco style contrast smokes panel test, result demonstration, the sample that the conclusion of smokeing panel test conforms to TQ trend is that 94.74%(is in Table 7), show that TQ value has certain applied value aspect sign tobacco style trend.
The table 7 pairing the result of smokeing panel test
Figure BDA0000411407340000091
Figure BDA0000411407340000101
By above calculating and the result, prove, TQ index can be used for tobacco style trend and characterizes, generally, TQ value is larger, and delicate fragrance style and features is more obvious, along with reducing of TQ value, tobacco leaf delicate fragrance style and features weakens, and the size of this index has embodied the style and features of tobacco leaf to a certain extent.

Claims (2)

1. a method that adopts characteristic exponent to characterize tobacco style feature, it is characterized in that, by the feature chemical index to tobacco leaf, screen and accept or reject, calculate corresponding tobacco style characteristic exponent TQ, by the style and features of TQ index reflection raw tobacco material delicate fragrance rhythm; TQ index calculates and adopts and the closely-related factor of typical delicate fragrance type tobacco leaf and correlation factor weight, and its computing formula is:
TQ value=∑ (the positive correlation factor * weight factor)/∑ (the negative correlation factor * weight factor);
In above formula, the positive correlation factor is the content index high compared with other kind tobacco leaves in typical delicate fragrance type tobacco leaf, and the negative correlation factor is the content index low compared with other tobacco leaves in typical delicate fragrance type tobacco leaf; Described typical delicate fragrance type tobacco leaf is red large tobacco leaf; By to after tobacco leaf principal component analysis (PCA), the percentage of the shared variance of each major component eigenwert is the weight factor of the index being closely related with this major component; TQ value is larger, and delicate fragrance type style and features is more obvious, and along with reducing of TQ value, tobacco leaf delicate fragrance type style and features weakens.
2. a kind of method that adopts characteristic exponent to characterize tobacco style feature according to claim 1, is characterized in that, the described positive correlation factor comprises xenthophylls, chlorogenic acid, glucose, volatilization alcohols, volatilization aldehydes; The described negative correlation factor comprises Megastigmatrienone, solanone, volatilization ketone, beta carotene catabolite, ligroin extraction, malic acid; Described tobacco leaf major component refers to by Chemical Measurement statistic software SPSS is undertaken after major component calculating, and six major components of acquisition are respectively the first principal component, the second main composition, the 3rd main composition, the 4th main composition, the 5th main composition, the 6th main composition.
CN201310551840.2A 2013-11-10 2013-11-10 A kind of method using characteristic index to characterize tobacco style feature Active CN103593561B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310551840.2A CN103593561B (en) 2013-11-10 2013-11-10 A kind of method using characteristic index to characterize tobacco style feature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310551840.2A CN103593561B (en) 2013-11-10 2013-11-10 A kind of method using characteristic index to characterize tobacco style feature

Publications (2)

Publication Number Publication Date
CN103593561A true CN103593561A (en) 2014-02-19
CN103593561B CN103593561B (en) 2016-08-17

Family

ID=50083699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310551840.2A Active CN103593561B (en) 2013-11-10 2013-11-10 A kind of method using characteristic index to characterize tobacco style feature

Country Status (1)

Country Link
CN (1) CN103593561B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106226476A (en) * 2016-08-03 2016-12-14 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf delicate fragrance odor type
CN106290725A (en) * 2016-08-03 2017-01-04 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf giving off a strong fragrance odor type
CN108169420A (en) * 2017-12-19 2018-06-15 云南瑞升烟草技术(集团)有限公司 A kind of method using index characterization cigarette style characteristic difference degree

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090314301A1 (en) * 2003-10-03 2009-12-24 Remberto Andres Estrella Gomez Smoking Kit for Customizing a Tobacco Product, Method for Purveying a Tobacco Smoking Product, Smoking Product and Method of Providing a Smoking Product
CN102175819A (en) * 2011-01-19 2011-09-07 云南烟草科学研究院 Method for characterizing monomer tobacco style characteristics based on tobacco aromatic components
CN102435709A (en) * 2011-09-12 2012-05-02 红云红河烟草(集团)有限责任公司 Method for accurately identifying flue-cured tobacco flavor types

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090314301A1 (en) * 2003-10-03 2009-12-24 Remberto Andres Estrella Gomez Smoking Kit for Customizing a Tobacco Product, Method for Purveying a Tobacco Smoking Product, Smoking Product and Method of Providing a Smoking Product
CN102175819A (en) * 2011-01-19 2011-09-07 云南烟草科学研究院 Method for characterizing monomer tobacco style characteristics based on tobacco aromatic components
CN102435709A (en) * 2011-09-12 2012-05-02 红云红河烟草(集团)有限责任公司 Method for accurately identifying flue-cured tobacco flavor types

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李庆华等: "卷烟化学指标的因子分析", 《分析科学学报》 *
李庆华等: "基于PCA-MD分类法的云烟系列卷烟风格表征及品质维护", 《烟草科技》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106226476A (en) * 2016-08-03 2016-12-14 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf delicate fragrance odor type
CN106290725A (en) * 2016-08-03 2017-01-04 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf giving off a strong fragrance odor type
CN106226476B (en) * 2016-08-03 2018-02-06 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf delicate fragrance odor type
CN106290725B (en) * 2016-08-03 2018-03-09 云南中烟工业有限责任公司 A kind of quantitative judgement method of cured tobacco leaf giving off a strong fragrance odor type
CN108169420A (en) * 2017-12-19 2018-06-15 云南瑞升烟草技术(集团)有限公司 A kind of method using index characterization cigarette style characteristic difference degree

Also Published As

Publication number Publication date
CN103593561B (en) 2016-08-17

Similar Documents

Publication Publication Date Title
CN102866127B (en) A kind of SIMCA based near infrared light spectrum information assists the method for cigarette composition
CN104931430B (en) A kind of redried natural alcoholization quality evaluation and model building method
CN109597968B (en) SMT big data-based solder paste printing performance influence factor analysis method
CN105445421B (en) A kind of method of aesthetic quality during predictive slice nicotinic alcohol by appearance index
CN105092789B (en) Tobacco style changing features trend analysis in a kind of sheet nicotinyl alcohol process
CN101387625B (en) Comprehensive assessment method for flue-cured tobacco growing district
CN103134850A (en) Tea quality rapid detection apparatus and detection method based on characteristic fragrance
CN106885851B (en) A kind of black tea place of production method of discrimination based on chiral quantitative analysis tech
CN103674884A (en) Random forest classification method for tobacco leaf style characteristics based on near infrared spectral information
CN106841494A (en) Plant otherness metabolin rapid screening method based on UPLC QTOF
CN103892435B (en) Method for preparing tobacco powder raw materials and stabilizing quality of reconstituted tobacco
CN103593561A (en) Method for representing style characteristics of tobacco by adopting characteristic indexes
CN108132964A (en) A kind of collaborative filtering method to be scored based on user item class
CN111239316A (en) Cigarette sensory quality analysis method based on smoke all-chemical component chromatographic data
CN102226802A (en) Specialist evaluation system for sensory deviation degree in tobacco processing procedure
CN110245686A (en) A kind of lithology method for quickly identifying calculating quartzy percentage contents
CN110346445A (en) A method of based on gas analysis mass spectrogram and near-infrared spectrum analysis tobacco mildew
CN102507829B (en) Method for establishing tobacco HPLC (High Performance Liquid Chromatography) fingerprint database and application thereof
CN101685092A (en) Method for judging alcoholization quality of flue-cured tobacco by pH detection value of tobacco leaf
CN107677619B (en) Method for distinguishing middle leaf and upper leaf of flue-cured tobacco
CN106645530B (en) A method of the multi-model based on tobacco leaf aroma component evaluates raw tobacco material similarity
CN107808241A (en) A kind of stainless steel surfaces testing result overall analysis system
CN105183612B (en) The appraisal procedure of server free memory abnormal growth and operation conditions
CN103675218B (en) A kind of papermaking-method reconstituted tobaccos slurry uniformity coefficient characterizing method
CN114689746B (en) Method, device, electronic equipment and medium for screening tobacco extract characteristics

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant