数字农科院2.0

Detection of Authenticity of Grape Seed Oil with Ion Mobility Spectrometry

文献类型： 外文期刊

作者： Shuai Qian;Zhang Liang-Xiao;Li Pei-Wu;Zhang Qi;Wang Xiu-Pin;Ding Xiao-Xia;Shuai Qian;Li Pei-Wu;Li Pei-Wu;Zhang Qi;Zhang Liang-Xiao;Ding Xiao-Xia;Zhang Liang-Xiao;Wang Xiu-Pin;Shuai Qian

作者机构：

关键词： Grapeseed oil;Ion mobility spectrometry;Adulteration detection;Principal component analysis;Recursive support vector machine

期刊名称： CHINESE JOURNAL OF ANALYTICAL CHEMISTRY

ISSN： 0253-3820

年卷期： 2014 年 42 卷 10 期

页码：

收录情况： SCI

摘要： A rapid method for authenticity detection of grapeseed oil was proposed based on Ion Mobility Spectrometry (IMS). After optimization, the inlet temperature was set at 170 degrees C, drift tube temperature was set at 60 degrees C. In this method, the oil sample was diluted in hexane (50-fold, V/V) and then directly analyzed in IMS. The detection time was 20 s. To establish an adulteration detection model, recursive Support Vector Machine (R-SVM) was applied to classifying pure and adulterated grape seed oils. The result of 10-fold cross validation showed that the accuracy of discrimination was up to 91. 2%. The results in study indicate that IMS method is a new, fast and convenient technique for the adulteration detection of edible oil.

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