Inorganic arsenic levels in baby rice are of concern

被引:146
作者
Meharg, Andrew A. [1 ]
Sun, Guoxin [2 ]
Williams, Paul N. [1 ,2 ]
Adomako, Eureka [1 ]
Deacon, Claire [1 ]
Zhu, Yong-Guan [2 ]
Feldmann, Joerg [3 ]
Raab, Andrea [3 ]
机构
[1] Univ Aberdeen, Sch Biol Sci, Aberdeen AB24 3UU, Scotland
[2] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
[3] Univ Aberdeen, Dept Chem, Aberdeen AB24 3UE, Scotland
关键词
arsenic; baby rice; food regulations;
D O I
10.1016/j.envpol.2008.01.043
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Inorganic arsenic is a chronic exposure carcinogen. Analysis of UK baby rice revealed a median inorganic arsenic content (n = 17) of 0.11 mg/kg. By plotting inorganic arsenic against total arsenic, it was found that inorganic concentrations increased linearly up to 0.25 mg/kg total arsenic, then plateaued at 0.16 mg/kg at higher total arsenic concentrations. Inorganic arsenic intake by babies (4-12 months) was considered with respect to current dietary ingestion regulations. It was found that 35% of the baby rice samples analysed would be illegal for sale in China which has regulatory limit of 0.15 mg/kg inorganic arsenic. EU and US food regulations on arsenic are non-existent. When baby inorganic arsenic intake from rice was considered, median consumption (expressed as mu g/kg/d) was higher than drinking water maximum exposures predicted for adults in these regions when water intake was expressed on a bodyweight basis. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:746 / 749
页数:4
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