To estimate the mean dietary exposure to total As (tAs) and some arsenic species [inorganic arsenic (iAs), methylarsonic acid (MMAs) and dimethylarsinic acid (DMAs), and arsenobetaine (AsB)] across the entire Japanese population (≥1 year old), a national total diet study (TDS) based on composite sample with a market-basket approach was conducted in Japan from 10 regions throughout Japan in 2019. Mean dietary exposure to iAs of 0.251 μg kg-1 day-1 showed a slightly lower value compared to the health-based guideline value of 0.30 μg kg-1 day-1. The calculated margin of exposure of 1.2-31.9 were lower or similar to the uncertainty factors of 30. Therefore, the possibility of a risk to Japanese people cannot be excluded. This study indicated that consumption of rice and rice products contributed to 64% of the dietary exposure to iAs. Furthermore, results showed that dietary exposure to tAs had been increasing...
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Journal Article|
March 10 2022
Dietary exposure to arsenic species in Japan in 2019 using a total diet study based on composite sample with market basket approach at the national level.
Division of Foods, National Institute of Health Science, Tonomachi 3-25-26, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan. E-mail szk-yoshi@nihs.go.jp
Journal: Journal of Food Composition and Analysis
Citation: Journal of Food Composition and Analysis (2022) 108
DOI: 10.1016/j.jfca.2022.104384
Published: 2022
Citation
Suzuki, Y., Kondo, M., Harimoto, M., Kitayama, I., Akiyama, H.; Dietary exposure to arsenic species in Japan in 2019 using a total diet study based on composite sample with market basket approach at the national level.. IFIS Food and Health Sciences Database 2022; doi:
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