Phenotypic diversity of nutrients and anti-nutrients in bean grains grown in different locations
DOI:
https://doi.org/10.5039/agraria.v12i4a5490Keywords:
phytate, minerals, Phaseolus vulgaris L., crude proteinAbstract
The growing environments can influence grain yield and could also to influence the nutritional value of common bean grains. The objective of this study was to determine the levels of minerals, phytic acid and total protein in common bean, and to the relationship of these with grain yield, under the influence of different growing environments. The experiment was conducted with 26 genotypes in three Santa Catarina places of cropping (Anchieta/SC, Joaçaba/SC and Lages/SC, Brazil). Were determined the levels of phosphorus, potassium, iron, zinc, protein and phytic acid into grains. The levels of phytate, iron and potassium, considering each genotype were influenced by the environment of cropping while for zinc, phosphorus and crude protein there was no interaction of genotypes by environments effects. In addition, there was variability for all nutrients and phytic acid in at least one cropping place. Genotypes with high grain yield had lower concentrations of nutrients, particularly phosphorus and crude protein, although this relationship is dependent of the cropping place. Concomitant choice for two minerals was possible; however, there was a positive correlation between mineral and phytate which was not favorable because the nutrients complexes with phytic acid, characterizing phytic acid as an important grains anti-nutrient.
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