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  1. Radioactivity in and committed effective dose from some Brazilian foodstuffs.

    Article - En anglais

    Thirty-eight types of food including fruits, vegetables, cereals, and meat have been analyzed by gamma-ray spectrometry.

    Clove and black pepper were found to have the highest concentration of 137Cs.

    The annual intake of 40K, 228Ra, 226Ra, and 137Cs were found to be 14 kBq, 53.2 Bq, 17.5 Bq, and 3.2 Bq, respectively, taking into account the typical diet of Sao Paulo City, Brazil.

    The annual committed effective doses from these radionuclides for adults were estimated to be 87.4 muSv, 36.7 muSv, 4.9 muSv, and 0.04 muSv, respectively.

    Mots-clés Pascal : Brésil, Amérique du Sud, Amérique, Radiocontamination, Dose efficace, Produit alimentaire, Spectrométrie gamma, Dosimétrie, Chaîne alimentaire, Césium, Répartition géographique

    Mots-clés Pascal anglais : Brazil, South America, America, Radioactive contamination, Effective dose, Foodstuff, Gamma spectrometry, Dosimetry, Trophic chain, Cesium, Geographic distribution

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0152363

    Code Inist : 002A08F07. Création : 16/11/1999.