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Characterization of Hexose Fermentation Capability of the Pentose-Fermenting Yeast Candida guilliermondii FTI 20037

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dc.contributor.advisor Lee, Hung
dc.contributor.author Wen, Xin
dc.date.accessioned 2014-12-23T14:02:49Z
dc.date.available 2014-12-23T14:02:49Z
dc.date.copyright 2014-12
dc.date.created 2014-12-05
dc.date.issued 2014-12-23
dc.identifier.uri http://hdl.handle.net/10214/8618
dc.description.abstract The highest ethanol concentrations produced from either glucose or xylose by wild type strains of native pentose-fermenting yeasts typically do not exceed 5% (w/v) in defined media. Candida guilliermondii FTI 20037 is a naturally occurring yeast known for its ability to produce xylitol from xylose. This research, conducted in a defined medium, showed that strain FTI 20037 can ferment 14.4% – 25.9% (w/v) of hexose sugars (glucose, mannose or galactose) individually to ethanol ranging in concentrations from 6% – 9.3% (w/v). This is the first report of a native non-modified xylose-fermenting yeast that can produce such high levels of ethanol from any monomeric sugar in a defined medium. The strain tolerated the inhibitors better than several other pentose-fermenting yeasts in a non-detoxified lodgepole pine (Pinus contorta) hydrolysate. Strain FTI 20037 fermented the sugars to 2% (w/v) ethanol within 24 h in this hydrolysate when it was diluted to 70% (v/v). en_US
dc.description.sponsorship NSERC Bioconversion Network; NCE BiofuelNet Network and OMAFRA. en_US
dc.language.iso en en_US
dc.rights Attribution-NonCommercial-NoDerivs 2.5 Canada *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/2.5/ca/ *
dc.subject Candida guilliermondii en_US
dc.subject Ethanol en_US
dc.subject Fermentation en_US
dc.subject Hexose en_US
dc.subject Lignocellulose en_US
dc.subject Pentose-fermenting en_US
dc.subject Xylitol en_US
dc.subject Yeast en_US
dc.title Characterization of Hexose Fermentation Capability of the Pentose-Fermenting Yeast Candida guilliermondii FTI 20037 en_US
dc.type Thesis en_US
dc.degree.programme Environmental Sciences en_US
dc.degree.name Master of Science en_US
dc.degree.department School of Environmental Sciences en_US
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Attribution-NonCommercial-NoDerivs 2.5 Canada Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 2.5 Canada