Assessment of iodine content in Brazilian duplicate portion diets and in table salt
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Journal of Radioanalytical and Nuclear Chemistry
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Excess dietary intake may increase the risk for the hyperthyroidism in the elderly. This study investigated iodine dietary intake by epithermal
neutron activation analysis (ENAA) analyzing duplicate portion diet and fortified table salt samples. Duplicate diet samples were obtained from a
group of twenty-five steel mill workers from the city of São Paulo, over a 3-day period. The samples were freeze dried, mixed and homogenized.
Fortified table salt brands were collected from the market and were analyzed with no pre-treatment. Assays for the iodine concentration in the table
salt samples revealed values between 24 to 65 mg/kg. The average iodine daily intake for the worker´s diets was 813 µg/day, ranging from 402 to
1363 µg/day. In some cases daily intakes were around 10 times higher than the recommended dietary allowance (RDA) value (150 µg/day).
Como referenciar
MAIHARA, V.A.; MOURA, P.L.C.; FAVARO, D.I.T.; VASCONCELLOS, M.B.A. Assessment of iodine content in Brazilian duplicate portion diets and in table salt. Journal of Radioanalytical and Nuclear Chemistry, v. 278, n. 2, p. 391-393, 2008. DOI: 10.1007/s10967-008-0806-4. Disponível em: http://repositorio.ipen.br/handle/123456789/5029. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.