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This study investigated the effect of fermentation at different times (24 and 48 h) on the proximate composition, physicochemical, antinutritional, and functional properties of fermented Bambara groundnut and sorghum flours. The results showed that fermentation improved the crude protein and crude fibre of the flours, with a decrease in crude fat and ash content. An increase in the mineral contents (potassium, magnesium, phosphorus, zinc, and iron), water absorption capacity, and foam stability were also observed. The oil absorption capacity of the fermented flour samples decreased after 24 h of fermentation, with an increase thereafter. A decrease in foam, emulsification capacity, and antinutritional factors were observed. The redness and yellowness values increased with an increase in fermentation time, while the lightness and total change in colour decreased. In conclusion, this study shows that fermented Bambara groundnut and sorghum flours could be useful ingredients or serve as an alternative for commercial and industrial purposes. Subsequent use of fermented Bambara groundnut and sorghum flours may also help mitigate nutritional issues, particularly in developing nations.
Sobowale et al. (Wed,) studied this question.