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Assessment of daily dietary intake of Hg and some essential elements in diets of children from the Amazon region

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Summary

Daily dietary intake of Hg and some essential elements in diets of children from communities in the Jaú National Park, Amazon region, were assessed. Diet samples were analyzed for total Hg content using cold vapor atomic absorption spectrometry and Ca, Fe, K, Na, Se and Zn contents by instrumental neutron activation analysis. The weekly tolerable provisional intake for Hg in the communities studied varied from 13 to 57 mg of Hg per kg of body weight, exceeding the limit of 5 mg . kg-1 set by the WHO. Comparison of the daily dietary intake values to the new Dietary Reference Intakes (4-8 years), showed prevalence of inadequacy.

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Authors and Affiliations

  1. Neutron Activation Analysis Laboratory, LAN/CRPQ, IPEN/CNEN-SP, Caixa Postal 11049, 05422-970 S?o Paulo, Brazil

    L. A. Farias

  2. Neutron Activation Analysis Laboratory, LAN/CRPQ, IPEN/CNEN-SP, Caixa Postal 11049, 05422-970 S?o Paulo, Brazil

    D. I. T. Favaro

  3. Neutron Activation Analysis Laboratory, LAN/CRPQ, IPEN/CNEN-SP, Caixa Postal 11049, 05422-970 S?o Paulo, Brazil

    V. A. Maihara

  4. Neutron Activation Analysis Laboratory, LAN/CRPQ, IPEN/CNEN-SP, Caixa Postal 11049, 05422-970 S?o Paulo, Brazil

    Vasconcellos M. B. A.

  5. Nutrition Laboratory of INPA, Amazon National Research Institute, INPA Manaus, Brazil

    L. K. Yuyama

  6. Nutrition Laboratory of INPA, Amazon National Research Institute, INPA Manaus, Brazil

    J. P. L. Aguiar

  7. Nutrition Laboratory of INPA, Amazon National Research Institute, INPA Manaus, Brazil

    F. J. Alencar

Authors
  1. L. A. Farias
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  2. D. I. T. Favaro
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  3. V. A. Maihara
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  4. Vasconcellos M. B. A.
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  5. L. K. Yuyama
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  6. J. P. L. Aguiar
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  7. F. J. Alencar
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Farias, L., Favaro, D., Maihara, V. et al. Assessment of daily dietary intake of Hg and some essential elements in diets of children from the Amazon region. J Radioanal Nucl Chem 270, 217–223 (2006). https://doi.org/10.1007/s10967-006-0341-0

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  • DOI: https://doi.org/10.1007/s10967-006-0341-0

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