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A method for judging the deterioration of tobacco spices

A technology of tobacco flavor and methanol solution, which is applied in material separation, analysis materials, instruments, etc., can solve problems such as loss of production enterprises

Active Publication Date: 2019-08-09
CHINA TOBACCO YUNNAN IND
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the high-moisture and high-sugar substrate of tobacco flavors, it is a natural "hotbed" for microbial fermentation. In the process of microbial metabolism, various organic acids will be produced, of which lactic acid and butyric acid are important products, especially butyric acid Because of its characteristic odor, it is an indicator of deterioration. However, if you rely solely on artificial smell or microbial detection, it is often after the spices have deteriorated, which has caused irreparable losses to the production company. The time for predicting the deterioration of flavors is pushed forward, and the timely grasp of changes in tobacco flavors can greatly reduce the risk of deterioration. It is important for manufacturers to change the treatment of tobacco flavors from "post-treatment" to "pre-prevention". significance

Method used

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  • A method for judging the deterioration of tobacco spices
  • A method for judging the deterioration of tobacco spices
  • A method for judging the deterioration of tobacco spices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Determination of tobacco flavors before and after storage

[0022] The contents of lactic acid and butyric acid in 6 tobacco flavor samples before and after storage were investigated, and determined by comparing the contents.

[0023] 1) Sample pretreatment

[0024] Accurately weigh 1g of tobacco flavoring respectively, adjust the pH of the flavoring with 0.1mol / L sodium hydroxide-methanol solution, and adjust the pH value to 8-9, and then put the moisture and Evaporate the solvent to dryness; redissolve the residue of the evaporated solvent and water with 5% sulfuric acid-methanol solution (V / V), take 1mL of the redissolved sample solution and place it in a glass bottle, and seal it in a water bath at 70°C. reaction, the reaction time is 30min; after the reaction is completed, the reaction solution is cooled to room temperature, and 5mL of n-hexane is added for vibration extraction. spectrum analysis.

[0025] 2) Analysis by gas chromatography-mass spectrometry ...

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Abstract

The invention discloses a method for judging deterioration of tobacco flavor, and belongs to the technical field of tobacco flavoring analysis. A sulfuric acid-methanol solution is used for methyl esterification of lactic acid and butyric acid in the tobacco flavor, esterified methyl lactate and methyl butyrate are determined by a gas chromatography-mass spectrometry method, and whether the tobacco flavor is deteriorated can be determined by determining of changes of the lactic acid and the butyric acid in the tobacco flavor. The method can accurately and conveniently determine the condition of the tobacco flavor, the tobacco flavor deterioration determination can be converted from common artificial sniffing to accurate determination of deteriorated products, the tobacco flavor deterioration can be determined greatly in advance, aggravated tobacco flavor deterioration can be effectively prevented, in-advance early-warning the prevention and control is performed as soon as possible, and economic losses caused by the tobacco flavor deterioration can be reduced.

Description

technical field [0001] The invention belongs to the technical field of tobacco flavor analysis, and in particular relates to a method for discriminating deterioration of tobacco flavor based on methyl esterification and gas chromatography mass spectrometry. Background technique [0002] Tobacco flavoring is an important auxiliary material in the production process of cigarette enterprises. It mainly plays the role of enhancing or modifying the style of tobacco products or improving the quality of tobacco products. It can contribute to the improvement of cigarette products and the quality of cigarette smoke. Therefore It is an important factor that constitutes the style of cigarette brands. However, in the production process of cigarette enterprises (including storage, transportation, use, etc.), there are cases of deterioration of tobacco flavors, which seriously affects the quality and quality stability of cigarette products, troubles and affects the normal production of ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/06G01N30/88
CPCG01N30/06G01N30/88
Inventor 李晶米其利刘欣李雪梅杨叶昆陈建华杨光宇张承明
Owner CHINA TOBACCO YUNNAN IND
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