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Mineral concentrations in the embryo and seed coat of common bean cultivars

► Distribution of minerals in the seed fractions in common bean was examined. ► Bean contains 94% calcium in seed coat and 76% potassium in embryo. ► Iron, zinc and copper concentrations vary widely between seed fractions. ► BRS Supremo and Iraí cultivars have high nutritional value for dietary use....

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Bibliographic Details
Published in:Journal of food composition and analysis 2012-05, Vol.26 (1-2), p.89-95
Main Authors: Ribeiro, Nerinéia Dalfollo, Maziero, Sandra Maria, Prigol, Marina, Nogueira, Cristina Wayne, Rosa, Daniele Piano, Possobom, Micheli Thaise Della Flora
Format: Article
Language:English
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Summary:► Distribution of minerals in the seed fractions in common bean was examined. ► Bean contains 94% calcium in seed coat and 76% potassium in embryo. ► Iron, zinc and copper concentrations vary widely between seed fractions. ► BRS Supremo and Iraí cultivars have high nutritional value for dietary use. The distribution of calcium, potassium, iron, zinc and copper in the embryo and seed coat fractions of 16 common bean cultivars of the Middle American and Andean gene pools, obtained in two crop cycles, was investigated. Genetic factors affected the accumulation of minerals in the embryo and seed coat. Common bean seeds contained over 94.5% calcium in their seed coat and from 76.0 to 89.7% potassium in their embryo. Iron, zinc and copper concentrations varied widely between the embryo and seed coat fractions in different cultivars. The BRS Supremo cultivar has a high concentration of calcium (1044mg100g−1 dry matter [DM]) and iron (24.88mg100g−1 DM) in its seeds, whereas the Iraí cultivar stands out for its potassium (1720mg100g−1 DM), zinc (6.51mg100g−1 DM) and copper (0.47mg100g−1 DM) concentrations. The BRS Supremo and the Iraí cultivars have high nutritional value, and their dietary use is therefore recommended.
ISSN:0889-1575
1096-0481
DOI:10.1016/j.jfca.2012.03.003