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Ethanol production by zymomonas mobilis: Effect of temperature on cell growth, ethanol production and intracellular ethanol accumulation

โœ Scribed by I. Laudrin; G. Goma

Publisher
Springer Netherlands
Year
1982
Tongue
English
Weight
290 KB
Volume
4
Category
Article
ISSN
0141-5492

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โœฆ Synopsis

The kinetic behaviour of Z zmomonas mobilis is studied at temperatures from 27ยฐC to 34.5ยฐC. Increases of temperature (above a critical value) have a negative effect on the yield of ethanol, mainly by raising the maintenance coefficient. Cell growth is less inhibited by the ethanol accumulation inside the cell than is the fermentative pathway. The specific rate of ethanol production is depressed when the intracellular ethanol concentration is maximal. An increase of temperature enhances this phenomenon.

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