Production of l-glutamic acid by aBacillus sP

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Abstract
A strain ofBacillus cereus var.mycoides isolated from Burdwan soil producesl-glutamate in the medium. The strain is able to grow and produce in a synthetic medium but supplementation with casamino acid or yeast extract improves the yield. Maintenance of pH of the fermentation medium near neutrality prolongs the active growth period and improves the yield. Glucose and ammonium nitrate were found to be most suitable carbon and nitrogen sources, respectively. Cane sugar molasses (as a substitute for glucose) significantly stimulated the growth but glutamate production was less. Various B vitamins stimulate the growth and glutamate yield. The yield of glutamate under optimal condition is 5.2 g/l.

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