Minimization of glycerol production during the high-performance fed-batch ethanolic fermentation process in Saccharomyces cerevisiae, using a metabolic model as a prediction tool
Article Abstract:
A metabolic model was used to predict the operating conditions that would reduce glycerol production during ethanol fermentation. Experimental validation of the simulation results was done by monitoring the inlet substrate feeding during fed-batch Saccharomyces cerevisiae cultivation in order to maintain the respiratory quotient (RQ) value between 4 and 5 that resulted in high level of ethanol production.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
User Contributions:
Comment about this article or add new information about this topic:
Production of ethanol from starch by respiration-deficient recombinant Saccharomyces cerevisiae
Article Abstract:
A 100%-respiration-deficient nuclear peptite amylolytic Saccharomyces cerevisiae NPB-G strain was generated and its employment for direct fermentation to starch into ethanol was investigated. In comparison of ethanol fermentation performances with the parental respiration-sufficiently WTPB-G strain, the NPB-G strain showed an increase of ca. 48% in both ethanol yield and ethanol productivity.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
User Contributions:
Comment about this article or add new information about this topic:
Relationship between pH and medium dissolved solids in terms of growth and metabolism of lactobacilli and Saccharomyces cerevisiae during ethanol production
Article Abstract:
The relationship between pH of the medium and concentration of dissolved solids in the medium on the growth and metabolism of lactobacilli and yeast is assessed. The results suggested that reduction of initial medium pH to 4.0 for the control of lactobacilli during ethanol production is not a good practice as there is a reduction in the ethanol produced by the yeast at pH 4.0.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Effect of L-proline on sake brewing and ethanol stress in Saccharomyces cerevisiae. Gene dosage effect of L-proline biosynthetic enzymes on L-proline accumulation and freeze tolerance in Saccharomyces cerevisiae
- Abstracts: Differential importance of trehalose in stress resistance in fermenting and nonfermenting Saccharomyces cerevisiae cells
- Abstracts: Metabolic engineering of the Phenylpropanoid pathway in Saccharomyces cerevisiae. Endogenous xylose pathway in saccharomyces cerevisiae
- Abstracts: Analysis of homothallic Saccharomyces cerevisiae strain mating during must fermentation. FLO11-based model for air-liquid interfacial biofilm formation by Saccharomyces cerevisiae
- Abstracts: Glucose signaling in Saccharomyces cerevisiae. "Sleeping Beauty": Quiescence in Saccharomyces cerevisiae. Cell wall integrity signaling in Saccharomyces cerevisiae