Abstract
Influence of four types of dietary supplements namely; cooked onion extract (COE), Iru water extract (IWE), glucose solution (GLS) and asparagine solution (ASS) on biotransformation of locust beans to condiment was studied. Assessment of biotransformation markers: free amino acids, free total sugar and total titratable acidity showed that supplementation enhanced biotransformation comparatively to sample without supplement (COS). Biotransformation was most enhanced at Day 2 in COE and IWE in comparison to GLS, ASS and COS. Assessment of selected dietary elements revealed that some elements (P, Fe and Mg) decreased during biotraformation. The change may be associated with the necessity of the dietary elements for accomplishment of biotransformation. Analysis of sensory scores (P=0.05) indicated that supplementation (COE, IWE) conferred no adverse influence on organoleptic characteristics of the condiment.
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