Evaluation of Cesium-137 (^<137>Cs) and Elements Intake from Daily Diets in Residents of Kanagawa Prefecture, Japan

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The present study was undertaken to investigate the amounts of artificial radionuclides ingested through the daily diet by inhabitants of Kanagawa Prefecture, Japan. To this end, the level of cesium-137 (<sup>137</sup>Cs) contained in the daily diets of females (combined samples from 5 females) aged 40-69 living in urban and suburban districts of Kanagawa Prefecture was measured. Furthermore, 11 elements (Ca, Cl, Cr, Cs, Fe, K, Mn, Na, Rb, Sc, and Zn) in the diets were quantified by instrumental neutron activation analysis. The study revealed that the intake of <sup>137</sup>Cs increased markedly in 1986, the year the Chernobyl accident occurred, and it tended to decrease gradually thereafter. In recent years, the reduction in the dietary intake of <sup>137</sup>Cs has been slowing down. When the intake of nutrients ingested by inhabitants of the two survey areas was compared with the Dietary Reference Intakes for Japanese (2005), the amount ingested in each of the two survey areas approximately satisfied or was slightly lower than the reference levels. Among others, the amount of Ca and Fe ingested in the urban district was particularly low (52 and 64% of the national reference, respectively). For many elements, the amount ingested was greater in the suburban than in the urban district. When the ingredients of the subjects' meals were classified into food groups, the meals prepared by suburban inhabitants were found to be composed of more diverse ingredients, covering all food groups, compared to those prepared by urban inhabitants. The daily food intake was also greater in the suburban district. When the daily dietary samples from individual subjects were analyzed separately, without being combined, both the level of <sup>137</sup>Cs and the amount of stable elements contained in the separate samples showed greater variations from day to day than those in the combined samples. There was no correlation between the dietary intake of <sup>137</sup>Cs and that of Cs.

収録刊行物

  • Journal of health science

    Journal of health science 55(2), 192-205, 2009-04-01

    公益社団法人日本薬学会

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被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    110007161016
  • NII書誌ID(NCID)
    AA11316464
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13449702
  • NDL 記事登録ID
    10193966
  • NDL 雑誌分類
    ZS17(科学技術--医学--衛生学・公衆衛生)
  • NDL 請求記号
    Z54-J464
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  J-STAGE 
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