Abstract
Beans are important for many developing countries as a source of protein and mineral nutrients. Here, ten commercial types of Brazilian beans, from the species Phaseolus vulgaris (common beans) and Vigna unguiculata (cowpeas), were analyzed by neutron activation analysis for the determination of Br, Ca, Co, Cs, Fe, K, Mo, Na, Rb, Sc and Zn. There were statistical differences (p < 0.05) amongst the commercial types, except for Br, Rb and Sc. In general, non-essential elements showed high variability, indicating that the origin of beans had a strong influence on the mass fraction of such elements.
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Acknowledgments
Lilian Seiko Kato, Elisabete A. De Nadai Fernandes and Márcio Arruda Bacchi wish to thank the National Council for Scientific and Technological Development (CNPq) for the financial support.
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Kato, L.S., De Nadai Fernandes, E.A., Bacchi, M.A. et al. Elemental characterization of Brazilian beans using neutron activation analysis. J Radioanal Nucl Chem 306, 701–706 (2015). https://doi.org/10.1007/s10967-015-4212-4
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DOI: https://doi.org/10.1007/s10967-015-4212-4