EC Nutrition

This work reports on the effects of testa, genotype and processing on the anatomy, proximate and mineral compositions of AYB seeds. Six samples were used in which three were hulled, and three without hull. The anatomical fractions depicted hull range (%) as 8.25-9.14, embryo axis of 0.39-0.85 and cotyledon of 90.01-91.28. For both hulled and dehulled samples, the proximate composition at g/100g showed the moisture (3.20-8.85), protein (9.31-25.78), fat (1.93-17.9), ash (2.06-2.89), fibre (1.96-6.57), carbohydrate (43.26-63.34), solid (91.15-96.77). Correlation analysis of the proximate levels showed significant differences between D₁/D₂, E₁/E₂ and F₁/F₂ at r_c = 0.01. The macronutrients total energy contributions had values of 369.62-418.54 kcal/100g in D₁, E₁, F₁ and 364.33-388.88 kcal/100g in D₂, E₂, F₂ showing the superiority of hulled seeds in energy contribution. UEDP% in dehulled seeds was higher than each corresponding hulled seeds: hulled seeds (11.88-13.7 kcal/100g) < dehulled seeds (14.04-15.9 kcal/100g). The sample equivalent of energy required per day (740 kcal) per infant would be supplied by range of 177-203g, adults requiring 2500 kcal/day, sample required would be 597-686g, for 3000 kcal/day, it would be 717-823g. Water deficit was 568.56-773.4 ml/100g as required water balance. Minerals determined were: Ca, Mg, K, Na, Fe, Mn, Zn, Cu, Co, Cd, P. Pair of D₁/D₂, E₁/E₂ and F₁/F₂ had their minerals being significantly different at r_c = 0.01 in each pair.

 Keywords: African Yam Bean; Three Variants; Chemical Composition; Physicochemical Actions

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