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Safety Evaluation of Chlorantraniliprole in Lychee Based on Residue and Dietary Risk Assessment

文献类型： 外文期刊

作者： Liu, Yanping 1 ; Wang, Xiaonan 1 ; Wang, Siwei 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Key Lab Green Prevent & Control Fruits & Vegetable, Guangdong Prov Key Lab High Technol Plant Protect, Inst Plant Protect,Minist Agr & Rural Affairs, Guangzhou 510640, Peoples R China

关键词： chlorantraniliprole; lychee; risk assessment; residue distribution; terminal residue; dissipation dynamic

期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：4.9 ）

ISSN：

年卷期： 2023 年 28 卷 21 期

页码：

收录情况： SCI

摘要： This report presents the development of a highly effective method employing high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) to investigate chlorantraniliprole's dissipation, risk assessment, and residue distribution in whole lychee fruit and its pulp. Mean recoveries of the samples ranged from 80 to 105%, exhibiting a relative standard deviation (RSD) of below 8%. The limits of quantification (LOQ) for lychee and pulp were determined as 0.001 mg/kg, and half-lives (t1/2) ranged from 8.0 to 12.2 days. Terminal residue concentrations in whole litchi and pulp were determined as 0.008-0.45 mg/kg and <= 0.001 mg/kg. These residues were treated twice and thrice at two different dosage levels with pre-harvest intervals (PHIs) of 7, 14, and 21 days. The potential chronic risk posed by chlorantraniliprole to humans was non-negligible, as indicated by the risk quotient (RQ) value not exceeding 1. Therefore, this study provides significant fresh data about the safe application of chlorantraniliprole in the production of lychee, which will help China develop maximum residual limits (MRLs).

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