Ethanol production from glucose is one of the most studied processes to get biofuels that could be utilized as an alternative to fossil fuels, trying to slow down the CO2 concentration in the atmosphere. So in the last years many efforts have been done to obtain better yields in alcohol production from degradation of different substrates with a number of different microorganisms. The microorganism most studied is the mesofilic yeast Saccaromicses cerevisiae that has a good bioethanol production from anaerobic fermentations of glucose. In order to have a better understanding of the kinetics and energetic balance of this metabolic process, the authors have used a combined experimental and theoretical approach to describe the anaerobic pathway of the KL-144a strain of the Saccaromicses cerevisiae fermenting glucose with an high yield of ethanol. The experimental approach was based on in-vivo Nuclear Magnetic Resonance of carbon-13 of the yeast growing on selectively isotopically enriched substrates. The theoretical approach is based on energy system model that describes the metabolic processes that involve the transformation of energy throught different metabolic pathways.


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    Title :

    Modelling microbial growth in bioethanol production


    Additional title:

    Die Auslegung mikrobiellen Wachstums in der Bioäthanol-Herstellung


    Contributors:
    Rossi, C. (author) / Bastianoni, S. (author) / Renzoni, D. (author) / Picchi, M. (author) / Marchettini, N. (author) / Donati, A. (author)


    Publication date :

    1994


    Size :

    7 Seiten, 4 Bilder, 3 Tabellen, 4 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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