Efficacy of compositing with snail meat powder on protein nutritional quality of sorghum–wheat buns using a rat bioassay
2020
Agengo, Fredrick B | Onyango, Arnold N | Serrem, Charlotte A | Okoth, Judith
BACKGROUND: Protein energy malnutrition (PEM) is an important health burden in most developing countries mainly in sub‐Saharan Africa, where it contributes to high rates of child morbidity and mortality. This study evaluated the efficacy of compositing with snail meat powder (SMP) on protein nutritional quality of sorghum–wheat buns using a rat bioassay. Nine diets –seven isonitrogenous diets, based on six variations of buns and a reference diet made using skimmed milk powder, in addition to the basal diet meant to estimate the endogenous nitrogen excretion and a 16% protein rehabilitation diet – were fed to male weanling albino rats. Protein efficiency ratio (PER), and food efficiency ratio (FER), net protein retention ratio (NPRR), apparent protein digestibility (APD), and true protein digestibility (TPD), protein digestibility corrected amino acid score (PDCAAS), and digestible indispensable amino acid score (DIAAS) indices of protein quality were determined. RESULTS: Fortification with SMP significantly (P < 0.05) enhanced PER from 0.21% to 2.70%, FER from 0.02% to 0.27%, APD from 81.17% to 88.28%, and TPD from 87.48% to 95.38%. PDCAAS and DIAAS increased from 45% to 78% and 44% to 69% respectively in unfortified buns to buns fortified with 25% SMP. CONCLUSION: Complementary diets fortified with SMP promote growth and rehabilitate emaciated rats, whereas unfortified diet did not support weight gain. Thus, supplementation of buns with SMP might enhance a faster recovery in children affected by PEM. © 2020 Society of Chemical Industry
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