Production of L-glutamic acid by a Bacillus sp
Language English Country United States Media print
Document type Journal Article
PubMed
33882
DOI
10.1007/bf02885578
Knihovny.cz E-resources
- MeSH
- Bacillus cereus growth & development metabolism MeSH
- Nitrogen MeSH
- Glucose metabolism pharmacology MeSH
- Glutamates biosynthesis isolation & purification MeSH
- Hydrogen-Ion Concentration MeSH
- Culture Media MeSH
- Molasses MeSH
- Carbon MeSH
- Vitamins pharmacology MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- Nitrogen MeSH
- Glucose MeSH
- Glutamates MeSH
- Culture Media MeSH
- Carbon MeSH
- Vitamins MeSH
A strain of Bacillus cereus var. mycoides isolated from Burdwan soil produces L-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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