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Abstract
White beans (Phaseolus vulgaris L.) have an interesting content of essential elements, calcium, iron and zinc, but they content also phytates, oxalates, proteins, polyyphenols and complex polysaccharides that are known to interact with minerals and to affect their bioavailability. The bioavailability of calcium, iron and zinc from raw and cooked white beans was estimated using their uptake by Caco-2 cells as the criteria. Previously, the mineral fraction (soluble or dialysable) to be added to the Caco-2 cell monolayer was selected. The results obtained show that cooking increases the Caco-2 cells’ uptake percentages (calcium, 18.8 versus 3.6; iron, 33.7 versus 1.7; and zinc, 17.2 versus 2.1) and improved the value of beans as a dietetic source of minerals.