Simultaneous determination of isoflavones and resveratrols for adulteration detection of soybean and peanut oils by mixed-mode SPE LC-MS/MS

文献类型： 外文期刊

第一作者： Zhao, Xin

作者： Zhao, Xin;Ma, Fei;Li, Peiwu;Li, Guangming;Zhang, Liangxiao;Zhang, Qi;Zhang, Wen;Wang, Xiupin;Zhao, Xin;Li, Peiwu;Li, Guangming;Zhang, Liangxiao;Zhang, Qi;Zhang, Wen;Wang, Xiupin;Zhao, Xin;Ma, Fei;Li, Peiwu;Li, Guangming;Zhang, Liangxiao;Zhang, Qi;Zhao, Xin;Ma, Fei;Li, Peiwu;Li, Guangming;Zhang, Qi;Ma, Fei;Li, Peiwu;Zhang, Liangxiao;Zhang, Wen;Wang, Xiupin

作者机构：

关键词： Adulteration;Isoflavones;Resveratrols;Mixed-mode solid-phase extraction (SPE);Liquid chromatography-tandem mass;spectrometry (LC-MS/MS)

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： To ensure authenticity of vegetable oils, isoflavones (genistein, genistin, daidzein and daidzin) and resveratrols (cis-resveratrol and trans-resveratrol) were selected as the putative markers for adulteration of soybean and peanut oils. Firstly, mixed mode solid-phase extraction coupled with liquid chromatography tandem mass spectrometry (mixed-mode SPE LC-MS/MS) method was developed to analyze isoflavones and resveratrols in vegetable oils. The concentration of marker compounds in vegetable oils were 0.08-1.47 mg kg(-1) for daidzein, ND-78.9 mu g kg(-1) for daidzin, 0.40-5.89 mg kg(-1) for genistein, 1.2-114.9 mu g kg(-1) for genistin, 3.1-85.0 mu g kg-1 for trans-resveratrol and 1.9-51.0 mu g kg(-1) for cis-resveratrol, which are compatible with the raw materials for oil press. Additionally, the applicability of this method has been successfully tested in thirteen vegetable oils from the market. Mixed-mode SPE LC-MS/MS method can simultaneously detect isoflavones and resveratrols in vegetable oils and assess adulteration and quality of soybean and peanut oils. (C) 2014 Elsevier Ltd. All rights reserved.

分类号： TS2`TS201.2

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