RCEES OpenIR  > 土壤环境科学实验室
Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice
Meharg, Andrew A.; Williams, Paul N.; Adomako, Eureka; Lawgali, Youssef Y.; Deacon, Claire; Villada, Antia; Cambell, Robert C. J.; Sun, Guoxin; Zhu, Yong-Guan; Feldmann, Joerg; Raab, Andrea; Zhao, Fang-Jie; Islam, Rafiqul; Hossain, Shahid; Yanai, Junta
2009-03-01
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
Volume43Issue:5Pages:1612-1617
AbstractAn extensive data set of total arsenic analysis for 901 polished (white) grain samples, originating from 10 countries from 4 continents, was compiled. The samples represented the baseline (i.e., not specifically collected from arsenic contaminated areas), and all were for market sale in major conurbations. Median total arsenic contents of rice varied 7-fold, with Egypt (0.04 mg/kg) and India (0.07 mg/kg) having the lowest arsenic content while the U.S. (0.25 mg/kg) and France (0.28 mg/kg) had the highest content. Global distribution of total arsenic in rice was modeled by weighting each country's arsenic distribution by that country's contribution to global production. A subset of 63 samples from Bangladesh, China, India, Italy, and the U.S. was analyzed for arsenic species. The relationship between inorganic arsenic content versus total arsenic content significantly differed among countries, with Bangladesh and India having the steepest slope in linear regression, and the U.S. having the shallowest slope. Using country-specific rice consumption data, daily intake of inorganic arsenic was estimated and the associated internal cancer risk was calculated using the U.S. Environmental Protection Agency (EPA) cancer slope. Median excess internal cancer risks posed by inorganic arsenic ranged 30-fold for the 5 countries examined, being 0.7 per 10,000 for Italians to 22 per 10,000 for Bangladeshis, when a 60 kg person was considered.
Department土壤环境科学实验室
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/21790
Collection土壤环境科学实验室
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GB/T 7714
Meharg, Andrew A.,Williams, Paul N.,Adomako, Eureka,et al. Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2009,43(5):1612-1617.
APA Meharg, Andrew A..,Williams, Paul N..,Adomako, Eureka.,Lawgali, Youssef Y..,Deacon, Claire.,...&Yanai, Junta.(2009).Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice.ENVIRONMENTAL SCIENCE & TECHNOLOGY,43(5),1612-1617.
MLA Meharg, Andrew A.,et al."Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice".ENVIRONMENTAL SCIENCE & TECHNOLOGY 43.5(2009):1612-1617.
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