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Characterization and quantification of chlordecone elimination in ewes
Environmental Toxicology and Pharmacology ( IF 4.3 ) Pub Date : 2021-07-02 , DOI: 10.1016/j.etap.2021.103698
Maïlie Saint-Hilaire 1 , Aurore Fourcot 1 , Alain Bousquet-Mélou 2 , Guido Rychen 1 , Jean-Pierre Thomé 3 , Julien Parinet 4 , Cyril Feidt 1 , Agnès Fournier 1
Affiliation  

To reduce the exposure of the French West Indies population to the organochlorine insecticide chlordecone (Kepone; CLD), the contamination of currently consumed foodstuffs must be reduced. Depuration of contaminated animals before slaughter could be a strategy to obtain safe animal products. The aim of this study was to characterize and quantify CLD elimination in contaminated ewes during depuration process. Experiments A and B consisted in a single intravenous (i.v.) administration of CLD (n = 5) and CLDOH (chlordecol; n = 3) followed by a 84-d and 3-d depuration period respectively with collection of blood, faeces and urine samples. After CLD administration, CLD and conjugated-CLDOH (CLDOH-C) were quantified in serum and urine and CLD and CLDOH were quantified in faeces. Based on calculations of faecal, urinary and body clearances of CLD and CLDOH-C, faeces appeared as the major route of CLD excretion with 86 % of the CLD administered dose eliminated in faeces, either as CLD (51 %) or as CLDOH (35 %).



中文翻译:

母羊消除十氯酮的表征和量化

为了减少法属西印度群岛人口对有机氯杀虫剂十氯酮(Kepone;CLD)的暴露,必须减少目前消费的食品的污染。在屠宰前净化受污染的动物可能是获得安全动物产品的一种策略。本研究的目的是表征和量化净化过程中受污染母羊的 CLD 消除。实验 A 和 B 包括单次静脉注射 ( iv) 施用 CLD (n = 5) 和 CLDOH (chlordecol; n = 3),然后分别进行 84 天和 3 天的净化期,收集血液、粪便和尿液样本。在 CLD 给药后,CLD 和共轭 CLDOH (CLDOH-C) 在血清和尿液中被量化,CLD 和 CLDOH 在粪便中被量化。根据对 CLD 和 CLDOH-C 的粪便、尿和身体清除率的计算,粪便是 CLD 排泄的主要途径,86% 的 CLD 给药剂量以 CLD(51%)或 CLDOH(35 %)。

更新日期:2021-07-16
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