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Fast discrimination of avocado oil for different extracted methods using headspace-gas chromatography-ion mobility spectroscopy with PCA based on volatile organic compounds

文献类型： 外文期刊

作者： Liu, Yi-Jun 1 ; Gong, Xiao 1 ; Jing, Wei 1 ; Lin, Li-Jing 1 ; Zhou, Wei 1 ; He, Jin-Na 4 ; Li, Ji-Hua 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China

2.Hainan Key Lab Storage & Proc Fruits & Vegetables, Zhanjiang 524001, Peoples R China

3.South China Univ Technol, Sch Light Ind & Engn, Guangzhou 510641, Guangdong, Peoples R China

4.Shandong Hanon Instruments Co Ltd, Dezhou 251500, Peoples R China

关键词： avocado oil; extraction method; headspace gas chromatography ion mobility mass spectrometry; principal component analysis

期刊名称：OPEN CHEMISTRY （ 影响因子：1.216； 五年影响因子：1.728 ）

ISSN： 2391-5420

年卷期： 2021 年 19 卷 1 期

页码：

收录情况： SCI

摘要： To establish a method for fast discrimination of avocado oil for different extracted methods, the headspace-gas chromatography-ionmobility spectroscopy (HS-GC-IMS) combined with principal component analysis (PCA) was used to analyze non-target volatile organic compounds (VOCs). The results showed that 40 VOCs were identified, and the VOCs of the extraction method had a significant difference and had been well distinguished in PCA. The species and content of avocado oil obtained by squeeze method were more than the aqueous methods and super-critical carbon dioxide extraction methods (SC CO2). In addition, the different avocado oil had their characteristic compounds: the 2-acetylthiazole and ethyl propionate were the unique compounds in the avocado oil obtained by SC CO2. A rapid method for the determination of avocado oil obtained by different extraction methods based on HS-GC-IMS had been established, and the method was fast and simple and had a good application prospect in the prediction of avocado oil processing methods.

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