Effect of external pH on ethanol oxidation byCandida utilis |
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| Authors: | J. Páca J. Votruba |
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| Affiliation: | (1) Department of Fermentation Chemistry and Bioengineering, Institute of Chemical Technology, 166 28 Prague 6;(2) Institute of Microbiology, Czechoslovak Academy of Sciences, 142 20 Prague 4, Czechoslovakia |
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| Abstract: | The external pH affects both ethanol and oxygen uptake rates by nongrowing cells ofCandida utilis suspended either in distilled water or in phthalate buffer. The buffering properties of organic acids control the maximum rates of exogenous respiration and ethanol uptake. The substrate limitation of ethanol uptake rate and endogenous respiration rate increase proportionally with increasing hydrogen ion concentration in the medium. |
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