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A method to identify the authenticity of cigarettes using hs-imr-ms

An HS-IMR-MS, cigarette technology, applied in the field of cigarette identification, can solve the problems of complex chemical composition, reduced accuracy of mathematical modeling, long analysis time, etc. Stable and accurate results

Active Publication Date: 2019-10-11
CHINA TOBACCO YUNNAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the determination of the relevant indicators of the instrument identification test generally requires pre-processing, the measurement time is long, and the chemical composition of the tobacco itself is relatively complex, which leads to a decrease in the accuracy of mathematical modeling and restricts related applications.
[0006] Therefore, in view of the obvious subjective factors, complicated pre-processing, and long analysis time in the existing cigarette authenticity identification methods, it is necessary to use new instrument analysis technology to research and develop more objective and scientific cigarette authenticity identification techniques and methods

Method used

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  • A method to identify the authenticity of cigarettes using hs-imr-ms
  • A method to identify the authenticity of cigarettes using hs-imr-ms
  • A method to identify the authenticity of cigarettes using hs-imr-ms

Examples

Experimental program
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Effect test

Embodiment 1

[0045] A method for identifying the authenticity of cigarettes using HS-IMR-MS, using headspace sampler and IMR-MS to quickly collect and analyze the volatile components of cigarettes, and obtain the mass spectra of volatile components of genuine cigarettes and the same brand of cigarettes to be tested Fingerprint, combined with similarity analysis, compared with the qualified threshold of genuine cigarettes, to realize the rapid identification of the authenticity of the cigarettes to be tested.

[0046] Specifically include the following steps:

[0047] S1, sample preparation,

[0048] Prepare 10 batches of genuine Yunyan (soft treasure) cigarettes produced in March-July, 2016, and randomly select one cigarette from each cigarette for the experiment; prepare one piece of fake Yunyan (soft treasure) cigarettes collected at random. Take 3 cigarettes as the cigarettes to be tested.

[0049] Place the above 10 authentic Yunyan (soft treasures) and 3 untested Yunyan (soft treasure...

Embodiment 2

[0071] In Example 2, 10 batches of genuine Yuxi (soft) cigarettes produced in April-July, 2016 were selected, and each cigarette was randomly selected for the experiment; in addition, the counterfeit Yuxi (soft) cigarettes collected were prepared One, 3 cigarettes were randomly selected as the cigarettes to be tested, and the rest were implemented according to Example 1.

[0072] Authentic Yuxi (soft) average mass spectrum fingerprint figure 2 As shown, the similarity between 10 batches of authentic Yuxi (soft) mass spectrum fingerprints and the average mass spectrum fingerprints is shown in Table 3, and the determination results of the cigarettes to be tested are shown in Table 4.

[0073] It can be seen from Table 3 that the minimum similarity between the genuine Yuxi (soft) product and the average mass spectrum fingerprint is 97.70%, so the qualification threshold for determining the genuine Yuxi (soft) product is 94.8%. As can be seen from Table 4, the similarities betwe...

Embodiment 3

[0079] In Example 3, 10 batches of genuine Hongtashan (hard classic) cigarettes produced in February-June, 2016 were selected, and each cigarette was randomly selected for the experiment; in addition, Hongtashan (hard classic) cigarettes collected on the market to be identified were prepared. One hard classic) cigarette, 3 are randomly selected as the cigarette to be tested, and the rest are implemented according to Example 1.

[0080] Authentic Hongtashan (hard classic) average mass spectrum fingerprint image 3 As shown, the similarity between 10 batches of authentic Hongtashan (hard classic) mass spectrum fingerprints and the average mass spectrum fingerprints is shown in Table 5, and the determination results of the cigarettes to be tested are shown in Table 6.

[0081] It can be seen from Table 5 that the minimum similarity between the genuine Hongtashan (hard classic) and the average mass spectrum fingerprint is 97.12%, so the qualification threshold for determining the ...

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Abstract

The invention discloses a method for identifying cigarette authenticity by utilizing HS-IMR-MS. The method comprises the steps of utilizing a headspace sampling device and IMR-MS for quickly collecting volatile components of cigarette and analyzing, obtaining volatile component mass spectra fingerprint of genuine cigarette and the same brand of cigarette to be identified, comparing a genuine cigarette qualified threshold by combining similarity analysis, and realizing rapid identification on the authenticity of the cigarette to be identified. The method provided by the invention has the beneficial effects that the headspace sampling device and an ion-molecular reaction mass spectrometer are connected in series for use, so that an volatile component analysis technique integrating sample collecting, sampling and analyzing into a whole is formed, a rapid analysis method with simplicity and convenience in operation, objectivity and fairness, and science and accuracy can be provided for identifying the cigarette authenticity by combining mass spectrometric data similarity analysis, the scientificity and the authority of cigarette authenticity identifying inspection work are improved fundamentally, counterfeited cigarette which is increasingly hard to identify is resisted, and the benefits of the country and consumers are maintained.

Description

technical field [0001] The invention relates to the technical field of cigarette identification, in particular to a method for identifying the authenticity of cigarettes by using HS-IMR-MS (Headspace-Ion Molecular Reaction Mass Spectrometry). Background technique [0002] my country is a big cigarette producing country with a high output of cigarettes and a large number of brands. Although the country has taken various measures to continuously strengthen the management of tobacco monopoly, there are still some criminals who use various means to manufacture and sell counterfeit cigarettes in order to make huge profits. Technology is also getting better. At present, manufacturers of counterfeit cigarettes use more advanced rolling equipment and have their own process formula, and the quality of rolling and processing is not significantly different from that of "authentic products". Consumers are often deceived to the extent that the fakes are the real ones. A large number o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/62
Inventor 高莉李先毅廖头根段焰青刘秀明何靓王浩
Owner CHINA TOBACCO YUNNAN IND