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Residue behavior and dietary intake risk assessment of three fungicides in tomatoes (Lycopersicon esculentum Mill.) under greenhouse conditions

文献类型： 外文期刊

作者： Zhu, Xiaodan 1 ; Jia, Chunhong 1 ; Duan, Lifang 2 ; Zhang, Wei 2 ; Yu, Pingzhong 1 ; He, Min 1 ; Chen, Li 1 ; Zhao, Erche 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China

2.Minist Agr, Inst Control Agrochem, Beijing 100125, Peoples R China

关键词： Tomato;Fungicide;Residue;Risk assessment;Dissipation;Greenhouse

期刊名称：REGULATORY TOXICOLOGY AND PHARMACOLOGY （ 影响因子：3.271； 五年影响因子：4.291 ）

ISSN： 0273-2300

年卷期： 2016 年 81 卷

页码：

收录情况： SCI

摘要： The residue behavior and dietary intake risk of three fungicides (pyrimethanil, iprodione, kresoxim-methyl) in tomatoes (Lycopersicon esculentum Mill.) grown in greenhouse were investigated. A simple, rapid analytical method for the quantification of fungicide residues in tomatoes was developed using gas chromatography coupled with mass spectrum detection (GC-MSD). The fortified recoveries were ranged from 87% to 103% with relative standard deviations (RSDs) varied from 4.7% to 12.1%. The results indicated that the dissipation rate of the studied fungicides in tomatoes followed first order kinetics with half lives in the range of 8.6-11.5 days. The final residues of all the fungicides in tomatoes were varied from 0.241 to 0.944 mg/kg. The results of dietary intake assessment indicated that the dietary intake of the three fungicides from tomatoes consumption for Chinese consumers were acceptable. This study would provide more understanding of residue behavior and dietary intake risk by these fungicides used under greenhouse conditions. (C) 2016 Elsevier Inc. All rights reserved.

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