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The kinetics of ethanol production by Zymomonas mobilis on fructose medium

✍ Scribed by I. Toran-Diaz; C. Delezon; J. Baratti

Publisher
Springer Netherlands
Year
1983
Tongue
English
Weight
221 KB
Volume
5
Category
Article
ISSN
0141-5492

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✦ Synopsis

The influence of pH and medium composition on the production of ethanol by Zymomonas mobilis was investigated with fructose as substrate. The kinetic properties of the strain on fructose were as good as on glucose and pH 5.0 was found optimum. A mineral medium contaioing calcium pantothenate was designed. Specific ethanol productivity of 6.4 g.g-l.h'l and specific fructose uptake rate of 14.2 g.g'l.h'l were obtained with a fructose concentration of 100 g.1-1.

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The effect of temperature on the kinetic
The effect of temperature on the kinetics of ethanol production by strains of Zymomonas mobilis
✍ K. J. Lee; M. L. Skotnicki; D. E. Tribe; P. L. Rogers πŸ“‚ Article πŸ“… 1981 πŸ› Springer Netherlands 🌐 English βš– 272 KB

Two strains of Z.mobilis were evaluated for temperature sensitivity between 25oc and 40Β°~ higher temperatures the cell viability, biomass yield, ethanol yield and final ethanol concentration decreased, and there was evidence of increased ethanol inhibition. However the kinetic parameters ~, qs and