Estimation of dietary intake of radioactive materials by total diet methods

Yoshinori Uekusa, Hiromi Nabeshi, Tomoaki Tsutsumi, Akiko Hachisuka, Rieko Matsuda, Reiko Teshima

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Radioactive contamination in foods is a matter of great concern after the Tokyo Electric Power Company's Fukushima Daiichi nuclear power plant disaster caused by the Great East Japan Earthquake. In order to estimate human intake and annual committed effective dose of radioactive materials, market basket and duplicate diet samples from various areas in Japan were analyzed for cesium-134 (134Cs), -137 (137Cs), and natural radionuclide potassium-40 (40K) by γ-ray spectroscopy. Dietary intake of radioactive cesium around Fukushima area was somewhat higher than in other areas. However, maximum committed effective doses obtained by the market basket and duplicate diet samples were 0.0094 and 0.027 mSv/year, respectively, which are much lower than the maximum permissible dose (1 mSv/year) in foods in Japan.

Original languageEnglish
Pages (from-to)177-182
Number of pages6
JournalJournal of the Food Hygienic Society of Japan
Volume55
Issue number4
DOIs
Publication statusPublished - 2014 Aug 1
Externally publishedYes

Keywords

  • Annual committed effective dose
  • Daily intake
  • Duplicate diet method
  • Market basket method
  • Radioactive cesium
  • Radioactive potassium

ASJC Scopus subject areas

  • Food Science
  • Public Health, Environmental and Occupational Health

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