PHYTATE-ZINC DYNAMICS OF RETTED CASSAVA PRODUCT ‘PUPURU’ PROCESSED WITH WATER FROM DIFFERENT SOURCES
Journal Title: Journal of Biological and Scientific Opinion - Year 2013, Vol 1, Issue 3
Abstract
‘Pupuru’, an indigenous retted cassava product processed with water from different sources was analyzed for nutritive elements including; potassium, sodium, calcium, phosphorus and zinc and some anti nutrients: cyanide, tannin and phytate. The concentration of the minerals increased while the anti nutrient concentration decreased in the processed ‘pupuru’ as compared to the unprocessed cassava. To predict the effect of phytate on zinc bioavailability, molar ratios of [phytate] / [Zn], [Ca] / [phytate] and [Ca] [phytate] / [Zn] were calculated. The calculated [Ca] [phytate] / [Zn] molar ratio for all the products (0.1 - 0.26 mol/kg) were all below the 0.5 mol/kg critical value while the [phytate] / [Zn] molar ratios (5.8 - 10.8) were all below the 15:1 value considered to be critical. The foregoing shows that processing cassava into ‘pupuru’ will reduce anti nutrient concentrations and enhance zinc bioavailability.
Authors and Affiliations
Folake Oyetayo , Victor Oyetayo
Keywords
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- EP ID EP157076
- DOI 10.7897/2321–6328.01301
- Views 85
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