Maize was cofermented with pigeon pea for ogi production and evaluated for nutritional (proximate composition, minerals, vitamins, and amino acid profile analyses) and antinutritional (phytate, tannin, and trypsin inhibitor activity analyses) qualities. White maize and pigeon pea were mixed at ratios of 90:10, 80:20, 70:30, 60:40, and 50:50, respectively, with 100:0 serving as the control. Mixtures were cofermented for 96?hr at 27°C?±?2°C and nutritional, mineral, and antinutritional qualities were analyzed using analysis of variance. Results of proximate analysis showed that the values were significantly difference at p? ≤ ? .05. Maize cofermented with pigeon pea at a ratio of 60:40 had the highest protein (22.79?mg/100?g), fat (19.27?mg/100?g), ash (2.98?mg/100?g), crude fiber (0.73?mg/100?g), and lowest moisture (1.98?mg/100?g) content, and was significantly ( p? ≤ ? .05) different from the other ratios. Of all the mixtures analyzed, 60:40 was significantly ( p? ≤ ? .05) different and had the highest Vitamin B 1 , B 2 , and B 3 contents. Amino acid profile results showed that maize cofermented with pigeon pea at a ratio of 60:40 showed the highest contents of lysine (93.95?mg/g), tryptophan (20.38?mg/g), isoleucine (54.78?mg/g), phenylalanine (86.23?mg/g), leucine (109.55?mg/g), and valine (68.29?mg/g), respectively, and was significantly ( p? ≤ ? .05) different from the other ratios. Results of antinutritional analysis showed low phytate, tannin, and trypsin inhibitor values in maize cofermented with pigeon pea at a ratio of 60:40 when compared with other ratios. The cofermented maize‐pigeon pea product 60:40 had high amino acid profile than the others.
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