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Performance of Rhizopus, Rhizomucor, and Mucor in ethanol production from glucose, xylose, and wood hydrolyzates
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- Millati, Ria, 1972 (author)
- Dept. Chem. Eng. and Environ. Sci., Chalmers University of Technology,Chalmers tekniska högskola,Chalmers University of Technology
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- Edebo, Lars, 1934 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk bakteriologi,Institute of Laboratory Medicine, Dept of Clinical Bacteriology,Department of Clinical Bacteriology, Göteborg University
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- Taherzadeh, Mohammad J, 1965- (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Dept Chem. Eng. and Environ. Sci., Chalmers University of Technology Chalmers tekniska högskola (creator_code:org_t)
- Elsevier BV, 2005
- 2005
- English.
- In: Enzyme and microbial technology. - : Elsevier BV. - 0141-0229 .- 1879-0909. ; 36:2-3, s. 294-300
- Journal article (peer-reviewed)
Abstract
Subject headings
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- In searching for ethanol producing microorganisms also capable of fermenting pentoses, nine zygomycetes strains including three strains of Rhizopus oryzae, Mucor corticolous, M. hiemalis, M. indicus, Rhizomucor pusillus, R. miehei, and zygomycete IT were examined. Each strain was cultivated on glucose, xylose or dilute-acid hydrolyzate (DAH) as carbon sources, and the production of ethanol, lactic acid, glycerol, xylitol, and succinic acid were investigated. Great similarities but also conspicuous differences were seen between the species, to some extent linked to the genera. All strains were capable of growing on glucose or xylose as single carbon source. With the exception of the two Rhizomucor strains, all produced ethanol. All the strains produced glycerol as by-product, while Rhizopus and Rhizomucor but not Mucor produced lactic acid in significant amounts. All Mucor and Rhizopus strains and one strain of Rhizomucor produced xylitol in the xylose medium, but no xylitol was detected after growth on DAH. All Mucor and two R. oryzae strains were capable of growing on DAH. Two Mucor species, M. hiemalis and M. indicus showed greater ethanol production than the other strains. The ethanol yields by M. hiemalis on glucose, xylose, and DAH were 0.39, 0.18, and 0.44 g/g, respectively, whereas the corresponding results for M. indicus were 0.39, 0.22, and 0.44 g/g. The strains also rapidly consumed hydroxymethyl furfural present in DAH.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Keyword
- Dilute-acid hydrolyzate
- Ethanol
- Glycerol
- Lactic acid
- Lignocellulose
- Xylitol
- Zygomycetes
- Resource Recovery
- Resursåtervinning
- saccharomyces-cerevisiae
- acid production
- lactic-acid
- fermentation
- oryzae
- hydrolysate
- dimorphism
- rouxii
Publication and Content Type
- ref (subject category)
- art (subject category)
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