In the xylose fermentation of Bacillus polymyxa strain 9035, best 2,3-butanediol yields were obtained with 1.0% yeast extract, 4-6% xylose, shaking at 125 rpm and incubation at 30Β°C. Under these conditions, mannose, galactose, L-arabinose, cellobiose, starch and glucose were readily metabolized and
Production of 2,3-butanediol from glucose byBacillus licheniformis
β Scribed by S. Nilegaonkar; S. B. Bhosale; D. C. Kshirsagar; A. H. Kapadi
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 261 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1573-0972
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## Abstract In the current study, a GRAS (Generally Recognized As Safe) strain of __Bacillus amyloliquefaciens__ producing 2,3βbutanediol (2,3βBD) designated as B10β127 was isolated in our lab. The strain B10β127 produced 2,3βBD effectively under the condition of 20% glucose (quality concentration)
The fermentation of glucose to 2,3-butanediol by Bacillus polymyxa was improved by increasing the amount of yeast extract in the culture medium. A level of 1.5% (w/v) resulted in optimal 2,3-butanediol production. A comparable fermentation could be achieved with 0.5% yeast extract if the phosphate