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Kissiris: A mineral support for the promotion of ethanol fermentation by Saccharomyces cerevisiae

Identifieur interne : 000424 ( Main/Exploration ); précédent : 000423; suivant : 000425

Kissiris: A mineral support for the promotion of ethanol fermentation by Saccharomyces cerevisiae

Auteurs : Theodoros Tsoutsas [Grèce] ; Maria Kanellaki [Grèce] ; Costas Psarianos [Grèce] ; Argiris Kalliafas [Grèce] ; Athanassios A. Koutinas [Grèce]

Source :

RBID : ISTEX:AA985724B72AEFDA95C8BA8DCB42492D218C64C0

Descripteurs français

English descriptors

Abstract

Abstract: Ethanol production using Saccharomyces cerevisiae, promoted by the mineral kissiris, is reported on. A three-fold increase of ethanol productivity in the fermentation of molasses was achieved. An ethanol yield factor 0.43 g/g and conversion of 93.3% at an initial sugar concentration (ISC) 208.5 g/l were obtained in the presence of this mineral in molasses fermentation, compared to 0.21 g/g and 44.2% in its absence. It is also shown that the fermentation of molasses takes place even at relatively higher ethanol levels, with kissiris contributing to a 35% reduction of the energy demand in grade-fuel and potable ethanol production. The proposed mineral was shown to have a smaller effect in fermentations carried out in synthetic media containing glucose or saccharose.

Url:
DOI: 10.1016/0922-338X(90)90194-2


Affiliations:


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Le document en format XML

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