Fermentation of cellobiose and wood sugars to ethanol byCandida
shehatae andPichia
stipitis |
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Authors: | Sarad Parekh Morris Wayman |
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Institution: | (1) Department of Chemical Engineering and Applied Chemistry, University of Toronto, M5S 1A4 Toronto, Ontario, Canada |
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Abstract: | Summary Three pentose fermenting yeast strains ofCandida
shehatae and three ofPichia
stipitis were examined for their ability to produce ethanol from cellobiose and from sugars liberated by hydrolysis of lignocellulosic biomass. All of thePichia strains tested produced some ethanol;P. stipitis CBS 5776 gave the highest yield: 10.3 g/L on complete fermentation of 25 g/L cellobiose within 48 hours. This yeast also produced considerably more ethanol from the wood sugar mixture. |
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