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A Multi-Medium Analysis of Human Health Risk of Toxic Elements in Rice-Crayfish System: A Case Study from Middle Reach of Yangtze River, China

文献类型： 外文期刊

作者： Zhou, Hui 1 ; Ge, Tao 2 ; Li, Hui 1 ; Fang, Ting 3 ; Li, Huaiyan 1 ; Shi, Yanhong 1 ; Zhang, Rong 1 ; Dong, Xinju 4 ;

作者机构： 1.Anhui Agr Univ, Coll Resources & Environm, Anhui Prov Key Lab Farmland Ecol Conservat & Poll, Hefei 230026, Peoples R China

2.Anhui Res Inst Geol Expt, Hefei 230001, Peoples R China

3.Anhui Acad Agr Sci, Fisheries Res Inst, Key Lab Freshwater Aquaculture & Enhancement Anhu, Hefei 230031, Peoples R China

4.Univ Louisville, Dept Chem, Louisville, KY 40292 USA

关键词： rice-crayfish system; food; toxic elements; health risk assessment; Monte Carlo simulation

期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）

ISSN：

年卷期： 2022 年 11 卷 8 期

页码：

收录情况： SCI

摘要： Rice-crayfish system has been extensively promoted in China in recent years. However, the presence of toxic elements in soil may threaten the quality of agricultural products. In this study, eight toxic elements were determined in multi-medium including soil, rice, and crayfish from the rice-crayfish system (RCS) and conventional rice culture (CRC) area. Crayfish obtained a low level of toxic element content, and mercury (Hg) in rice from RCS showed the highest bioavailability and mobility. Health risk assessment, coupled with Monte Carlo simulation, revealed that the dietary exposure to arsenic (As) and Hg from rice and crayfish consumption was the primary factor for non-carcinogenic risk, while Cd and As were the dominant contributors to the high carcinogenic risk of rice intake for adults and children, respectively. Based on the estimated probability distribution, the probabilities of the total cancer risk (TCR) of rice intake for children from RCS were lower than that from CRC.

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