Publications des scientifiques de l'IRD

Saucedo-Castaneda G., Lonsane B.K., Navarro J.M., Roussos Sevastianos, Raimbault Maurice. (1992). Potential of using a single fermenter for biomass build-up, starch hydrolysis, and ethanol production. Applied Biochemistry and Biotechnology, 36, p. 47-61. ISSN 0273-2289.

Titre du document
Potential of using a single fermenter for biomass build-up, starch hydrolysis, and ethanol production
Année de publication
1992
Type de document
Article
Auteurs
Saucedo-Castaneda G., Lonsane B.K., Navarro J.M., Roussos Sevastianos, Raimbault Maurice
Source
Applied Biochemistry and Biotechnology, 1992, 36, p. 47-61 ISSN 0273-2289
Data on conversion of starch on biomass and ethanol by Schwanniomyces castellii in an aerobic-anaerobic solid state fermentation is reported. Schwanniomyces castellii grew exponentially in the aerobic phase (12h) and simultaneously hydrolyzed nearly half (55%) of the starch initially present. The accumulation of glucose increased up to 12h, whereas maltose was nearly absent beyond 7h. Shift or metabolism from oxidative to fermentative pattern was observed about 10h as a result of the build-up of CO2 level and faster utilization of O2. The ethanol production in the anaerobic phase reached the level of 89.3 mg ethanol/g initial dry matter by the end of 30h. A total of 92.9% of the starch is utilized during the fermentation. The overall ethanol conversion yields are 57.8% of the theoretical value, whereas in the anaerobic phase it was found to be 94.4%. The cell shape, its morphology, and the type of attachment to the solid support were found to be similar in aerobic and anaerobic phases of fermentation. Data given in this work indicate the feasibility of using one single fermenter for aerobic growth to generate inoculum as well as to simultaneously hydrolyze the starch and subsequent anaerobic fermentation to produce ethanol. (Résumé d'auteur)
Plan de classement
Fermentations [084FERMEN]
Descripteurs
FERMENTATION EN MILIEU SOLIDE ; LEVURE ; MILIEU DE CULTURE ; CANNE A SUCRE ; BAGASSE ; HYDROLYSE ; AMIDON ; BIOMASSE ; CROISSANCE ; PRODUCTION ; ALCOOL ETHYLIQUE ; AEROBIOSE ; ANAEROBIOSE ; ANALYSE ; FERMENTATEUR
Localisation
Fonds IRD [F B39183]
Identifiant IRD
fdi:39183
Contact