Biomedical Research on Trace Elements
Online ISSN : 1880-1404
Print ISSN : 0916-717X
ISSN-L : 0916-717X
原著
八戸市民の毛髪中水銀濃度と魚介類摂取について
吉田 稔久保 涼子三迫 智佳子鈴木 志乃舞工藤 綾香蜂谷 紀之安武 章
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ジャーナル フリー

2013 年 24 巻 3 号 p. 170-175

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This survey aimed to determine the levels of mercury in the scalp hair of residents of Hachinohe City in relation to their fish/seafood consumption to assess the risk of methylmercury exposure among the population. A total of 363 individuals (73 males and 290 females) residing in Hachinohe City (Aomori, Japan) provided scalp hair samples and completed a questionnaire. The geometric mean levels of mercury in the scalp hair were 2.52 and 1.91 μg/g in males and females, respectively, and 1.36 μg/g in females aged 15-49 years (n=80). The percentage of females of this generation with a hair mercury level above 2.2 μg/g (corresponding to the WHO's provisional tolerable weekly intake for methylmercury) was 21%, which was lower than the mean of 25% for residents of 10 regions across Japan. The Hachinohe residents consumed a mean of 108 g/day of fish/seafood (which was higher than the mean of 80.2 g/day for the overall Japanese population), consisting mainly of salmon, squid, mackerel, saury, and Atka mackerel. These results demonstrated that the hair mercury level of the residents of Hachinohe City was not so high as the higher consumption of fish/seafood compared with the national average, indicating that the risk of methylmercury exposure through increased fish/seafood consumption among Hachinohe City residents is not particularly high compared with the national level.

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© 2013 一般社団法人 日本微量元素学会
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