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An electronic cigarette smoke liquid and its quality detection method

A quality inspection method and technology of e-cigarette liquid, which is applied to tobacco, measuring devices, and tobacco processing, can solve difficult problems such as scientific, fair and accurate judgment and inconsistency of e-liquid quality, and achieve harm reduction and coordination Good performance and chemical stability

Active Publication Date: 2017-09-22
CHINA TOBACCO YUNNAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are a lot of subjective factors in sensory evaluation. When evaluating the characteristics of a type of e-liquid, there are often some very inconsistent opinions. It is difficult to make a scientific, fair and accurate judgment on the quality of e-liquid

Method used

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  • An electronic cigarette smoke liquid and its quality detection method
  • An electronic cigarette smoke liquid and its quality detection method
  • An electronic cigarette smoke liquid and its quality detection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Take a certain brand of finished tobacco and put it into a 100 mL supercritical extraction kettle, and fill it to the position of four-fifths of the extraction kettle; 2 Fluid; adjust the extraction pressure to 300bar, the temperature is 60°C, and 95% (v / v) ethanol of 5% of the weight of the finished cut tobacco is introduced as an entrainer; after static extraction for 1 hour, dynamic extraction for 1 hour; propylene glycol is used as a receiver; After the extraction was completed, 2 mL of the extract was taken, diluted and dissolved with 10 mL of dichloromethane, filtered through a 0.45 µm microporous membrane, and then put into a chromatographic vial for gas chromatography-mass spectrometry analysis. The gas chromatography-mass spectrometry method is as follows: chromatographic column: HP-5MS (30m×0.25mm×0.25µm) capillary column; inlet temperature: 240°C; carrier gas: He, constant pressure mode 70kPa; temperature program: 50°C (keep 1min), rising to 160°C at 8°C / min ...

Embodiment 2

[0033] Take a certain brand of finished tobacco and put it into a 100 mL supercritical extraction kettle, and fill it to the position of four-fifths of the extraction kettle; 2 Fluid; adjust the extraction pressure to 400bar, temperature 80°C, pass 5% of the finished tobacco weight 95% (v / v) ethanol as entrainer; after static extraction for 1.5 hours, dynamic extraction for 1.5 hours; use propylene glycol as receiver; After the extraction was completed, 2 mL of the extract was taken, diluted and dissolved with 10 mL of dichloromethane, and detected and analyzed in the same manner as in Example 1. The resulting chromatogram was as follows: figure 2 As shown, the key chemical components and relative content of the characteristic aroma style of this brand of cut tobacco are: Ketones (2.0%), Pinane (9.8%), (1S,2E,4R,7E,11E)-2,7,11-Cembratrien-4-ol (8.2%), Eicosane (1.1%) Wait.

[0034] The e-cigarette liquid is prepared based on the supercritical extract of finished cigarette s...

Embodiment 3

[0037] A supercritical CO based on cigarette finished cut tobacco 2 The specific mass ratio of the e-cigarette oil prepared from the fluid extract is: 15% extract, 5% flavor and fragrance for tobacco; 5% deionized water, 15% glycerin, and the rest is propylene glycol.

[0038] The e-cigarette liquid was subjected to sensory evaluation and smoking, and the scores of the evaluation results are shown in Table 3. The higher the comprehensive score of sensory quality, the better the taste of the e-cigarette; as shown in Table 3, the e-cigarette liquid of the present invention has the same The sensory quality of traditional cigarettes is similar. As the content of tobacco leaf extract increases, the aroma, strength and aftertaste of electronic cigarettes tend to increase, and there is no significant change in irritation. The comprehensive sensory quality score of electronic cigarettes prepared by the sample in Example 1 Highest.

[0039] Score

[0040] sample

[0...

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Abstract

The invention relates to electronic cigarette liquid and a quality detecting method. The raw materials of the electronic cigarette liquid are cigarette industry finished cigarette tobacco supercritical fluid extracting substances, other components are added, even mixing is carried out according to weight percentage, and then the liquid is prepared. According to the formula, the liquid comprises 10%-30% of finished cigarette tobacco extracting substances, 5%-15% of tobacco flavor, 2%-10% of deionized water and 10%-30% of glycerine, and the rest is propylene glycol. A gas chromatography-mass spectrography method is used for analyzing the extracting substances, a chromatographic peak area normalization method is used for determining the relative content of various volatile components, and according to the key chemical components which determine characteristic aroma style and the magnitude of the relative content, the quality of the electronic cigarette liquid is evaluated. According to the electronic cigarette liquid, the cigarette finished cigarette tobacco supercritical fluid extracting substances are used as main components, the aroma and the taste of an electronic cigarette are made similar to the taste and sense judgment of a traditional cigarette to the maximum degree, and the problem that single cigarette regulated cigarette liquid taste is single and is not harmonious is solved. Meanwhile, cigarette liquid flavor component evaluation is objective and accurate through the gas chromatography-mass spectrography method.

Description

technical field [0001] The invention relates to an electronic cigarette liquid prepared based on a supercritical fluid extract of finished cigarette shredded tobacco and a quality detection method thereof. technical background [0002] New tobacco products are strategic products of the tobacco industry and an important direction for the future development of the industry. E-cigarettes are a new type of tobacco product that has developed most rapidly in recent years. By delivering a vaporized propylene glycol / nicotine mixture, people can inhale different doses of nicotine. The heating atomization method is used to replace the burning process of traditional cigarettes, which greatly reduces the generation of harmful substances, and also avoids the danger of open flames and the hazards of second-hand smoke. The e-cigarette market at home and abroad has experienced explosive growth since 2012, with an annual sales growth rate of over 100%. In 2013, the sales of e-cigarettes in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B15/16A24F47/00G01N30/88
Inventor 杨继杨柳段沅杏赵伟陈永宽张霞秦云华孙志勇
Owner CHINA TOBACCO YUNNAN IND
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