Nickel in milled rice (Oryza sativa L.) from the three main rice-producing regions in China

文献类型: 外文期刊

第一作者: Cao, Zhenzhen

作者: Cao, Zhenzhen;Mou, Renxiang;Cao, Zhaoyun;Lin, Xiaoyan;Xu, Ping;Zhu, Zhiwei;Chen, Mingxue;Chen, Zhijun

作者机构:

关键词: Nickel;milled rice;Monte Carlo simulation;dietary risk assessment

期刊名称:FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE ( 影响因子:3.407; 五年影响因子:3.35 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Nickel (Ni) concentrations in milled rice obtained from China and their variations among different provinces and varieties, as well as associated health risks, were investigated. Results showed that the mean Ni concentration in milled rice was 0.49 +/- 0.51mg/kg, which was much higher than reported in United Kingdom, French and Iranian cereals. There were significant variations (P<0.05) of Ni concentrations in milled rice among different provinces and among varieties in the same province. According to the dietary risk assessment, the mean values of the target hazard quotient for chronic risk ranged from 1.24 to 1.46 for 2-4, 4-7 and 7-11-year-old children, and all values of margin of exposure for hypersensitivity risk were considerably below 10 for all age groups, indicating that the current dietary exposure to Ni in rice is of concern for 2-11-year-old children and Ni-sensitised individuals. It is essential to establish a continuous monitoring programme to control Ni contamination in rice.

分类号: Q

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