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Nutritional Improvement of Corn Meal by Fermentation by Bacillus licheniformis and Enterobacter cloacae 1
1Department of Food Science and Nutrition, University of Missouri-Columbia, Columbia, MO 65211.
Abstract:
Fermentation of corn meal by Bacillus licheniformis strain 6 significantly (P<0.05) increased the percent relative nutritive value (%RNV). Both B. licheniformis strain 6 and Enterobacter cloacae strain 18 significantly (P<0.05) increased the methionine and tryptophan content. Only E. cloacae increased the lysine content. Both bacteria increased total folacin significantly (P<0.05). A pH of 7-8, a temperature of 35°C, and a fermentation time of 4-6 days resulted in higher yields of total folacin than other combinations of conditions. Mixed cultures of the two bacteria increased lysine, methionine, tryptophan, and total folacin (P<0.05) when compared to nonfermented corn meal.
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