Health risk assessment of Chinese consumers to lead via diet

文献类型： 外文期刊

第一作者： Yu, Guoguang

作者： Yu, Guoguang;Dai, Fen;Wang, Wen;Zheng, Weiran;Zhang, Zhiheng;Yuan, Yuwei;Wang, Qiang;Yu, Guoguang;Dai, Fen;Wang, Wen;Zheng, Weiran;Zhang, Zhiheng;Yuan, Yuwei;Wang, Qiang

作者机构：

关键词： lead;dietary exposure;health risk assessment;China

期刊名称：HUMAN AND ECOLOGICAL RISK ASSESSMENT （ 影响因子：5.19； 五年影响因子：3.742 ）

ISSN： 1080-7039

年卷期： 2017 年 23 卷 8 期

页码：

收录情况： SCI

摘要： This paper investigated the concentrations of Pb in foods and the potential health risk from Pb exposure via surveys and a literature review. It was shown that the mean Pb concentration in different food groups was in the following decreasing order: marine products > meat > egg > vegetable > cereal > bean> dairy > fruit. More precisely, on average the weekly Pb intake (mg kg(-1) bw week(-1)) for men, women, 2-3-year-old children, and 4-17-year-old children was 0.0055, 0.0059, 0.0145, and 0.0091, respectively. We used both deterministic and probabilistic methods to estimate the target hazard quotients (THQs) by comparing the dietary Pb intake estimation with respect to the provisional tolerable weekly intake (PTWI). The result showed that THQ values were lower than 1 in most cases, except the 97.5th percentile THQ values for 2-3-year-old children, and the probability of greater dietary Pb exposure than the tolerant weekly intake (THQ > 1) were 0.2%, 0.6%, 3.7%, and 1.2% for adult men, women, 2-3-year-old children, and 4-17-year-old children, respectively, indicating a low health risk for Chinese consumers. Among all groups, children, especially 2-3-year-old children were the most sensitive subpopulation with regard to Pb exposure. Finally, it still appeared necessary to continue undertaking efforts to reduce exposure to Pb.

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