Batch fermentation kinetics of ethanol production by Zymomonas mobilis on cellulose hydrolysate

Batch fermentation kinetics of ethanol production by Zymomonas mobilis on cellulose hydrolysate

Growth and ethanol production by three strains (MSN77, thermotolerant, SBE15, osmotolerant and wild type ZM4) of the bacterium Zymomonas mobilis were tested in a rich medium containing the hexose fraction from a cellulose hydrolysate (Aspen wood). The variations of yield and kinetic parameters with...

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Veröffentlicht in:Biotechnology letters 1996, Vol.18 (6), p.643-648
Hauptverfasser: KADEMI, A, BARATTI, J
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
Biotechnology
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Microbial engineering. Fermentation and microbial culture technology
Zymomonas mobilis
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Zusammenfassung:Growth and ethanol production by three strains (MSN77, thermotolerant, SBE15, osmotolerant and wild type ZM4) of the bacterium Zymomonas mobilis were tested in a rich medium containing the hexose fraction from a cellulose hydrolysate (Aspen wood). The variations of yield and kinetic parameters with fermentation time revealed an inhibition of growth by the ethanol produced. This inhibition may result from the increase in medium osmolality due to ethanol formation from glucose.
ISSN:0141-5492
1573-6776
DOI:10.1007/BF00130758