MINERALS, MICROELEMENTS AND POLYPHENOLS CONTENT IN THE SOYBEAN VARIETIES GROWN IN DIFFERENT LOCALITIES OF SLOVAKIA

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February 2015, vol. 4, special issue 3 (Food Sciences)
pages: 152-156
Article type: Food Sciences of Food Sciences
DOI: 10.15414/jmbfs.2015.4.special3.152-156
Abstract: The aim of this study was to evaluate the influence of the grown locality on minerals and risky metal intake from the soil and on polyphenols formation in the soybean seeds. The research was realised in five localities of Slovakia using the seven soybean varieties. From the point of the soil hygiene, all determined values of heavy metals content in soils were lower than given hygienic limits, with the exception of Cd. Minerals and heavy metals contents in the soybean samples show significant differences between cultivars and localities. The values show imbalance between the potassium contents and other minerals. The order of the elements levels was determined as following: Fe > Zn > Mn > Cu > Ni > Pb > Cr ≈ Co > Cd. The risky elements contents, with exception of Cd, Cu, Pb and Ni content (only in some localities), did not exceed a limit for legumes by Food Codex SR. The total polyphenols content ranged from 817.6 to 1281.0 μg eq. tannic acid/g and suggest the variety dependence, but the locality influence was not significantly confirmed.
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