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  • Title: Market basket and duplicate portion estimation of dietary intakes of cadmium, mercury, arsenic, copper, manganese, and zinc by Japanese adults.
    Author: Tsuda T, Inoue T, Kojima M, Aoki S.
    Journal: J AOAC Int; 1995; 78(6):1363-8. PubMed ID: 8664571.
    Abstract:
    Daily intakes of selected metals from meals in Shiga Prefecture (Japan) were investigated by the duplicate portion method and market basket method. In 1991 and 1992, daily intakes of metals by women, determined by the duplicate portion method, were, respectively, 37 and 27 micrograms for Cd, 4.3 and 3.5 micrograms for Hg, 260 and 210 micrograms for As, 1200 and 1200 micrograms for Cu, 4700 and 3600 micrograms for Mn, and 8000 and 7200 micrograms for Zn. Those determined by the market basket method were, respectively, 32 and 35 micrograms for Cd, 4.3 and 9.9 micrograms for Hg, 160 and 280 micrograms for As, 1100 and 980 micrograms for Cu, 3600 and 4700 micrograms for Mn, and 8700 and 8500 micrograms for Zn. No wide differences between the 2 methods were found, except for Hg data in 1992. Daily intakes of Cd and Hg in Shiga Prefecture were lower than the provisional tolerable daily intakes of 57-72 micrograms for Cd and 43 micrograms for Hg, proposed by the Food and Agricultural Organization and the World Health Organization.
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