Rapid identification of artificial fragrant rice based on volatile organic compounds: From PTR-MS to FTIR
文献类型： 外文期刊
作者： Liu, Yachao 1 ; Zuo, Min 3 ; Wang, Ke 1 ; Jiao, Leizi 1 ; Yang, Guiyan 1 ; Yang, Chongshan 1 ; Zhao, Xiande 1 ; Dong, Daming 1 ;
作者机构： 1.Minist Agr & Rural Affairs, Key Lab Agr Sensors, Beijing, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Beijing 100097, Peoples R China
3.Beijing Technol & Business Univ, Natl Engn Res Ctr Agriprod Qual Traceabil, Beijing 100048, Peoples R China
关键词： Artificial fragrant rice; VOCs; PTR-MS; LOPGP-FTIR; FEOW
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 418 卷
页码：
收录情况： SCI
摘要： The volatile organic compounds (VOCs) released from foods can reflect their internal properties. Artificial fragrant rice (AFR) is a fraudulent food product in which the flavor of low-quality rice is artificially enhanced by addition of essence. In this study, proton-transfer reaction mass spectrometry, long optical path gas phase FTIR spectroscopy and fiber optic evanescent wave were used to analyze the characteristic mass-charge ratios signal and infrared fingerprint signal of four essence which may be used to make AFR, and the prepared AFR samples with different essence levels (0.001 %-0.3 %) were used to verify the detection performance of the detection methods. The results show that the three detection methods effectively identified AFR containing the minimum recommended dose of essence (>= 0.1 %, w/w). The above detection methods can provide detection results in real time without complex sample pretreatment and provide options as rapid screening methods for food regulatory authorities to identify AFR.
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