Abstract
Selenium daily intake was determined for two small groups of the Portuguese population, based on the analysis of duplicate diet portions. The total amount of food ingested during a day was collected for 18 workers of the Technological and Nuclear Institute (ITN-Sacavém) and for 6 females of Reguengos de Monsaraz, a small town in the south-eastern hinterland. The average selenium daily intake was 43 ± 20 and 32 ± 13 μg per person, respectively, both lower than the Recommended Dietary Allowance (RDA) of 55 μg day−1. Selenium in diet samples was determined by replicate sample neutron activation analysis (RSINAA). The method was considered accurate for the selenium determination.
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A PhD grant (SFRH/BD/10288/2002) from Fundação para a Ciência e a Tecnologia (FCT, Portugal) has supported this work.
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Ventura, M.G., Freitas, M.C. & Pacheco, A.M.G. Determination of selenium daily intakes in two small groups of the Portuguese population by replicate sample neutron activation analysis. J Radioanal Nucl Chem 281, 193–196 (2009). https://doi.org/10.1007/s10967-009-0120-9
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DOI: https://doi.org/10.1007/s10967-009-0120-9