Cattle hair as a bioindicator for short- and medium-chain chlorinated paraffin monitoring on cattle farms

文献类型： 外文期刊

第一作者： Dong, Shujun

作者： Dong, Shujun;Zhang, Su;Suo, Decheng;Wu, Xingyi;Cao, Jun;Wang, Peilong;Wu, Xingyi;Han, Xiaoxu;Pei, Xiaoyan;Liang, Meng;Zou, Yun

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关键词： Chlorinated paraffin; Beef cattle; Neck hair; Distribution; Bioindicator

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：12.2； 五年影响因子：11.9 ）

ISSN： 0304-3894

年卷期： 2024 年 474 卷

页码：

收录情况： SCI

摘要： Short- and medium-chain chlorinated paraffins (SCCPs and MCCPs) are hazardous industrial chemicals that tend to bioaccumulate in animal-derived foodstuffs through the food supply chain. However, the lack of reliable noninvasive bioindicators hinders the monitoring of farm animal exposure to CPs. In this study, 169 cattle hair samples were collected from beef cattle farms in six Chinese provinces, with further beef, feed, and soil samples being collected in Hebei province. Geographical differences in CP concentrations were observed in the hair samples, and CP concentrations in samples collected from Hebei province decreased in the following order: hair > feed > beef > soil. C10-11Cl6-7 and C14Cl7-8 were the predominant SCCPs and MCCPs, respectively, in all the hair, beef, feed, and soil samples. CP concentrations in hair samples significantly correlated with those in beef, feed, and soil samples, indicating that hair can be used as a bioindicator of cattle exposure to CPs. The possible health risks associated with exposure to CPs through beef consumption, especially for children and high-volume beef consumers, should be further investigated.

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