深圳市居民铅镉膳食摄入水平评估

发布时间：2018-02-25 05:20

本文关键词： 铅镉食品膳食暴露评估　出处：《中国热带医学》2016年12期 　论文类型：期刊论文

【摘要】：目的了解深圳市居民膳食中铅、镉暴露的摄入量,评估深圳市居民膳食铅、镉暴露风险。方法对深圳市市售食品中铅、镉含量进行监测,结合居民膳食摄入量调查结果,应用FAO/WHO推荐的食品中化学污染物膳食暴露评估方法,比照铅、镉的暂定每周耐受摄入量((Provisional tolerated Monthly intake,PTWI),对居民膳食中铅、镉暴露水平进行评估。结果深圳市居民平均每周膳食中铅暴露量为0.003 4 mg/kg BW,占PTWI的13.60%;镉暴露量为0.013 3 mg/kg BW,占PTWI的190.00%。铅、镉贡献率较大的食品均是水产品及其制品、米及其制品。结论深圳市居民膳食中铅暴露水平低于PTWI,镉暴露水平高于PTWI。深圳市居民水产品及其制品、米及其制品的消费量大,对居民膳食铅、镉贡献率较高,仍有必要减少膳食中铅、镉的摄入,尤其是镉的膳食摄入量。
[Abstract]:Objective to understand the Shenzhen city residents dietary intake of lead, cadmium exposure assessment, Shenzhen city residents dietary lead and cadmium exposure risk. Methods of lead in foods sold in Shenzhen City, cadmium content monitoring, combined with the dietary intake survey results, recommended by FAO/WHO in food chemical pollutants, dietary exposure assessment methods, according to lead. The provisional tolerable weekly intake of cadmium (Provisional tolerated Monthly (intake, PTWI), the dietary lead and cadmium exposure were evaluated. Results the average weekly dietary lead exposure in Shenzhen residents amounted to 0.0034 mg/kg BW, accounting for 13.60% of PTWI; cadmium exposure to 0.0133 mg/kg BW, 190.00%. PTWI for lead, cadmium the contribution rate of the larger food are aquatic products and its products, rice and rice products. Conclusion Shenzhen city residents dietary lead exposure levels below the exposure level of cadmium is higher than that of PTWI. PTWI, Shenzhen city residents and aquatic products The consumption of products, rice and its products is high, and the contribution rate of lead and cadmium to residents is high. It is still necessary to reduce the intake of lead and cadmium in the diet, especially the dietary intake of cadmium.

【作者单位】：深圳市疾病预防控制中心;
【分类号】：R155.5

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