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Method for quantitatively analyzing lactones aromatic substances in mainstream smoke of fine cigarettes

A technology for cigarette mainstream smoke and aroma substances, which is applied to the analysis of materials, measuring devices, and material separation, and can solve the problems of complex smoke matrix of slim cigarettes, various types of target objects, and quantitative analysis of target objects, so as to reduce errors , easy operation, good signal response effect

Active Publication Date: 2016-07-20
CHINA TOBACCO JIANGSU INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the complexity of the smoke matrix of slim cigarettes, coupled with the wide variety of target substances and large content differences, it is difficult to accurately quantify the target substances using general instrumental analysis methods

Method used

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  • Method for quantitatively analyzing lactones aromatic substances in mainstream smoke of fine cigarettes
  • Method for quantitatively analyzing lactones aromatic substances in mainstream smoke of fine cigarettes
  • Method for quantitatively analyzing lactones aromatic substances in mainstream smoke of fine cigarettes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] In this embodiment, the detection method of the trace main lactone aroma substances in the mainstream smoke of slim cigarettes is as follows (the flow chart of the detection method is as follows: figure 1 shown):

[0051] S1. Preparation of internal standard solution

[0052] S10. Internal standard stock solution: Accurately weigh 0.201g of n-heptadecane, dissolve it in ethanol in a 100mL volumetric flask, and set the volume to the mark;

[0053] S11. Internal standard solution: Accurately pipette 0.1 mL of internal standard stock solution into a 100 mL volumetric flask, dilute with ethanol and set the volume to the mark; the concentration of n-heptadecane is 2.01 μg / mL.

[0054] S2, preparation of standard working solution

[0055] S20. Primary standard stock solution: Accurately weigh 0.1150g of α-angelicalide, 0.1165g of γ-caprolactone and 0.1220g of dihydroactinactone in a 100mL volumetric flask, dissolve with ethanol and adjust the volume to the mark ;

[0056]...

Embodiment 2

[0085] The present embodiment is as follows to the detection method of the precision of the present invention and the standard addition recovery rate:

[0086] Taking the slim cigarette samples used in Example 1 as the analysis object, the intraday precision experiment was carried out respectively. The intraday precision experiment was that the same sample was measured in parallel 5 times under the same conditions (the same batch of treatment), and 5 parallel tests were calculated respectively. The relative standard deviation (RSD) of the measurement results, the measurement results are shown in Table 4 below. The results in the table show that the intraday repeatability RSD of this experimental method is less than 5%, which indicates that the method has good precision for the quantitative analysis of trace substances.

[0087] Table 4 RSD of intraday repeatability of this experimental method

[0088] Substance name

RSD(%)

α-Angelica lactone

1.31

...

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Abstract

The invention discloses a method for quantitatively analyzing lactones aromatic substances in mainstream smoke of fine cigarettes. The method is used for determining the content of three types of main lactones aromatic substances including alpha-angelica lactone, gamma-caprolactone and dihydroactinidiolide in the mainstream smoke of the fine cigarettes based on a gas chromatography-tandem mass spectrometer, and comprises the steps of preparing an internal standard solution, a standard working solution and a sample solution, analyzing by the gas chromatography-tandem mass spectrometer, and calculating a determined result and the like. The optimized detection method disclosed by the invention is relatively simple and convenient, and sensitive to respond and can be used for accurately quantitatively analyzing; matrix interferences are effectively avoided, and the linear correlation is relatively good; the detection limits of the three types of main lactones aromatic substances including the alpha-angelica lactone, the gamma-caprolactone and the dihydroactinidiolide are 4.23ng / piece, 1.86ng / piece and 1.87ng / piece respectively, the repetitive rates are 1.31%, 3.57% and 1.93% respectively, and the standard recovery rates are 108.3%, 115.4% and 89.4% respectively. The method disclosed by the invention has high sensitivity and relatively good repeatability and recovery rate, and is applicable to quantitative analysis of trace target matters in complicated matrixes of the smoke of the fine cigarettes.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a method for quantitatively analyzing lactone aroma substances in mainstream smoke of slim cigarettes. Background technique [0002] The aroma of tobacco is an important indicator for evaluating the quality of tobacco and its products, and smokers pay more attention to comfort while pursuing physiological satisfaction. Tobacco leaf components produce a large number of compounds through combustion, thereby affecting the taste and feeling of smoke. Although thousands of compounds have been identified in smoke, only a few contribute to the taste and aroma of smoke. Among them, lactone compounds play an important role in smoke. [0003] There are various lactone aroma substances in tobacco and smoke, and -CO-O-C- is an aroma-inducing group, which are the main aroma components in fruits and dairy products. Some unsaturated lactones emit a very strong ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/88G01N30/06
CPCG01N30/06G01N30/88
Inventor 秦艳华张华廖惠云庄亚东韩开冬王晨辉
Owner CHINA TOBACCO JIANGSU INDAL
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