Residue Analysis of Propionylbrassinolide in Fruit and Vegetables by GC-MS

文献类型： 外文期刊

第一作者： Dong, Feng-Shou

作者： Dong, Feng-Shou;Hu, Hao;Zheng, Yong-Quan

作者机构：

关键词： Gas chromatography-mass spectrometry;Food residue analysis;Acetonitrile extraction;Propionylbrassinolide

期刊名称：CHROMATOGRAPHIA （ 影响因子：2.044； 五年影响因子：1.725 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： A rapid and simple method for the determination of propionylbrassinolide residues in tomatoes, apples and gropes using GC-MS is reported. Samples were extracted with acetonitrile, and the extracts were analyzed without any further clean-up. The results showed good linearity (r(2) > 0.99) with standard solutions over the concentration range of 0.5-50 mg L-1. The LODs and LOQs of propionylbrassinolide were 0.15 and 0.5 mg kg(-1) in all samples. Recoveries were in the range of 81.9-111.2%, with corresponding RSDs of 4.6-12.9% for threefortified levels. Intra-and inter-day RSDs were in the ranges of 1.5-14.2% and 5.3-15.6%. it was demonstrated that the proposed method is simple and efficient, and particularly suitable for detecting propionylbrassinolide residues in fruit and vegetables.

分类号： O65

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