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Abstract
Iron (Fe) binding capacity of butter beans, broad beans and lentils in the raw, cooked and fibre-rich fraction (FRF) forms; with Fe addition alone, with calcium (Ca) and with Ca, zinc (Zn), magnesium (Mg) and copper (Cu) at concentrations based on physiological and dietary considerations, was investigated in conditions simulating the small intestine. The FRFs were found to bind significantly more Fe, indicating the substantial role of dietary fibre in Fe binding. More Fe was bound to legumes studied when Fe was added together with Ca than separate Fe addition. Further more Fe binding was noted in the presence of Ca, Zn, Mg and Cu.