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GA/T 1652-2019: Forensic sciences--Examination methods for capsaicin, dihydrocapsaicin and nonivamide in vegetable oils--LC-MS
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Forensic sciences--Examination methods for capsaicin, dihydrocapsaicin and nonivamide in vegetable oils--LC-MS
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GA/T 1652-2019
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Basic data | Standard ID | GA/T 1652-2019 (GA/T1652-2019) | | Description (Translated English) | Forensic sciences--Examination methods for capsaicin, dihydrocapsaicin and nonivamide in vegetable oils--LC-MS | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 10,137 | | Date of Issue | 2019 | | Date of Implementation | 2019-12-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 1652-2019: Forensic sciences--Examination methods for capsaicin, dihydrocapsaicin and nonivamide in vegetable oils--LC-MS
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Forensic sciences--Examination methods for capsaicin, dihydrocapsaicin and nonivamide in vegetable oils--LC-MS
ICS 13.310
A92
Public Safety Industry Standards of the People's Republic of China
Forensic natural capsaicin in vegetable oils,
Dihydrocapsaicin and synthetic capsaicin inspection
Liquid chromatography-mass spectrometry
Published on October 14,.2019
2019-12-01 Implementation
Issued by the Ministry of Public Security of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This standard was proposed by the National Criminal Technology Standardization Technical Committee Physical and Chemical Inspection Sub-Technical Committee (SAC/TC179/SC4) and
Be in charge.
This standard was drafted by. Chongqing Municipal Public Security Bureau Material Evidence Appraisal Center, Ministry of Public Security Material Evidence Appraisal Center.
The main drafters of this standard. Zhang Zhong, Guo Hao, Luo Jingfeng, Ren Fei, Liu Zhanfang.
Forensic natural capsaicin in vegetable oils,
Dihydrocapsaicin and synthetic capsaicin inspection
Liquid chromatography-mass spectrometry
1 Scope
This standard specifies the test methods for natural capsaicin, dihydrocapsaicin and synthetic capsaicin in vegetable oils in the field of forensic science.
This standard is applicable to the identification of vegetable oils containing capsaicin and abnormal edible oils doped with vegetable oils containing capsaicin
Judgment is not applicable to the identification and judgment of seasoning oils (chili oil, chili sesame oil, etc.) containing capsaicin.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GA/T 122 Nomenclature of poison analysis
GA/T 242 Terms of physical and chemical testing for forensic science
3 Terms and definitions
The terms and definitions defined in GA/T 122 and GA/T 242 apply to this document.
4 Principle
Capsaicin alkaloids are ingredients that cause spiciness, among which natural capsaicin and dihydrocapsaicin are the main sources of spiciness in natural plants,
Synthetic capsaicin is a source of spicy taste synthesized by modern technology. Because capsaicin alkaloids have good stability, high boiling point, etc.
At present, the current refining process of vegetable fats and oils is difficult to completely remove. Normal edible oil does not contain capsaicin alkaloids, but is doped with
The edible oil from which vegetable fats and oils are recovered inevitably contains capsaicin alkaloids. Therefore, the capsaicin alkaloids can be
It can be used as the characteristic target for identifying the recovered vegetable oil.
The capsaicin alkaloids in vegetable oil are extracted with methanol, and after the extract is concentrated, the multi-reactive ion monitoring using liquid chromatography-tandem mass spectrometry
Testing (MRM).
5 Reagents and materials
The required reagents and materials are as follows.
a) Methanol (chromatographically pure);
b) 0.1% formic acid solution (chromatographically pure);
c) primary water;
d) soybean oil;
e) Standard solution.
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