| Autor: |
Terrell SL; Biotechnology Branch, Solar Energy Research Institute, Golden, Colorado 80401., Bernard A, Bailey RB |
| Jazyk: |
angličtina |
| Zdroj: |
Applied and environmental microbiology [Appl Environ Microbiol] 1984 Sep; Vol. 48 (3), pp. 577-80. |
| DOI: |
10.1128/aem.48.3.577-580.1984 |
| Abstrakt: |
An alternative method for the conversion of cheese whey lactose into ethanol has been demonstrated. With the help of continuous-culture technology, a catabolite repression-resistant mutant of Saccharomyces cerevisiae completely fermented equimolar mixtures of glucose and galactose into ethanol. The first step in this process was a computer-controlled fed-batch operation based on the carbon dioxide evolution rate of the culture. In the absence of inhibitory ethanol concentrations, this step allowed us to obtain high biomass concentrations before continuous fermentation. The continuous anaerobic process successfully incorporated a cell-recycle system to optimize the fermentor productivity. Under conditions permitting a low residual sugar concentration (
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| Databáze: |
MEDLINE |
| Externí odkaz: |
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