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Determination of 43 pesticide residues in intact grape berries (Vitis Vinifera L.) by using an ultrasound-assisted acetonitrile extraction method followed by LC-MS/MS

文献类型： 外文期刊

作者： Du, Yuting 1 ; Wang, Qiang 2 ; Yang, Guiling 2 ; Han, Fuliang 1 ;

作者机构： 1.Northwest A&F Univ, Coll Enol, Yangling 712100, Shannxi, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Hangzhou 310021, Zhejiang, Peoples R China

3.Northwest A&F Univ, Shaanxi Engn Res Ctr Viti Viniculture, Yangling 712100, Shaanxi, Peoples R China

4.State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Ultrasound-assisted; Intact grape berries; Pesticides; Acetonitrile extraction; LC-MS/MS

期刊名称：FOOD CONTROL （ 影响因子：6.652； 五年影响因子：6.498 ）

ISSN： 0956-7135

年卷期： 2022 年 140 卷

页码：

收录情况： SCI

摘要： An ultrasound-assisted acetonitrile extraction method was applied for the determination of 43 pesticide residues in intact grape berries (Vitis Vinifera L.) by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The results showed that ultrasound-assisted extraction from intact grape berries exhibited better efficiency than extraction from homogenized grape berries. Matrix-matched calibration curves were applied from 0.01 to 200 mu g/L and determination coefficients (R-2) were greater than 0.99. The recovery values were 70.6%-119.7% with a relative standard deviation (RSD) range of 0.02%-9.92%. The limits of detection (LODs) and limits of quantification (LOQs) ranged between 0.005 mu g/kg and 0.2 mu g/kg, and between 0.10 mu g/kg and 10 mu g/kg, respectively. The method was applied in the analysis of wine grape samples from three different regions of China. A total of 10 pesticides were detected in samples during fruit ripeness.

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