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Determination of Pendimethalin Dynamic Residual Distribution in Crucian Carp Tissues and Associated Risk Assessment

文献类型： 外文期刊

作者： Qiao, Lu 1 ; Yuan, Na 2 ; Han, Gang 1 ; Cheng, Bo 1 ; Zhang, Defu 2 ; Song, Jinlong 1 ; Mu, Yingchun 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Key Lab Control Qual & Safety Aquat Prod, Minist Agr & Rural Affairs, Beijing 100141, Peoples R China

2.Bohai Univ, Coll Food Sci & Engn, Jinzhou 121000, Liaoning, Peoples R China

期刊名称：INTERNATIONAL JOURNAL OF ANALYTICAL CHEMISTRY （ 影响因子：1.885； 五年影响因子：2.52 ）

ISSN： 1687-8760

年卷期： 2021 年 2021 卷

页码：

收录情况： SCI

摘要： Pendimethalin has been considered a moderately to extremely toxic compound for fish and aquatic organism. This study developed the determination of dynamic residual distribution for pendimethalin in crucian carp tissues (muscle, liver, kidney, gill, and blood) under semistatic exposure system by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method. The pendimethalin residues in various fish tissues increased initially and then decreased, and the residue amount of pendimethalin varied from tissue to tissue of crucian carp. Particularly, the pendimethalin accumulation in most fish tissues made significant decreases at two-time points. Pendimethalin was initially absorbed and enriched by fish body, and then partial pendimethalin was discharged into the outside environment through the metabolism function of crucian carp. The residue levels of pendimethalin distributed in crucian carp were ranked in the following decreasing order: liver > kidney > gill or muscle > blood, attributed to the fact that pendimethalin tends to accumulate in lipid-rich tissues of fish. Risk assessment results indicated that the chronic risk from dietary exposure to pendimethalin through crucian carp consumption for Chinese residents was acceptable, along with a lower estimated exposure dose (EED) than acceptable daily intake (ADI) and risk quotient (RQ) < 1. This study performed the first analysis for pendimethalin residual distribution in crucian carp tissues under semistatic exposure condition and provided a reference for pollution control and risk assessment of pendimethalin aimed at aquatic products.

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