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Elemental composition of dietary supplements most consumed in Belo Horizonte,Brazil, analysed by k 0-INAA |
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| Authors: | de Salles Paula Maria Borges de Barros Correia Menezes Maria Ângela Sathler Márcia Maia de Moura Rodrigo Reis de Campos Tarcísio Passos Ribeiro |
| Affiliation: | 1.Program of Postgraduate in Nuclear Sciences and Techniques, Department of Nuclear Engineering (Departamento de Engenharia Nuclear), Federal University of Minas Gerais (UFMG), Av. Presidente Antônio Carlos nº 6627, Campus UFMG, Belo Horizonte, Minas Gerais, 31270-901, Brazil ;2.Program of Postgraduate in Science and Radiation Technology, Minerals and Materials, Nuclear Technology Development Centre, Brazilian Commission for Nuclear Energy, (CDTN/CNEN), Av. Presidente Antônio Carlos nº 6627, Campus UFMG, Belo Horizonte, Minas Gerais, 31270-901, Brazil ;3.Division for Analytical Techniques, Laboratory of Neutron Activation Analysis, Nuclear Technology Development Centre, Brazilian Commission for Nuclear Energy, (CDTN/CNEN), Av. Presidente Antônio Carlos nº 6627, Campus UFMG, Belo Horizonte, Minas Gerais, 31270-901, Brazil ; |
| Abstract: | This study aimed at assessing the elemental composition of dietary supplements mostly consumed by physically active individuals in Belo Horizonte. Neutron activation analysis, k 0-standardization method, analysing large samples, was applied. The presence of impurities not considered essential for human beings and potentially toxic elements pointed out the risk of long-term consumption. The results were compared to values foreseen in the Brazilian legislation, and to the ones described in the products labels and directions. This preliminary assessment suggests the need to improve the quality control of raw material used in dietary supplements. |
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