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Production of ethanol and mycelial biomass from rice straw hemicellulose hydrolyzate by Mucor indicus
Chemical Engineering Department, Isfahan University of Technology.
Department of Biology, Isfahan University.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-4887-2433
2006 (English)In: Process Biochemistry, ISSN 1359-5113, E-ISSN 1873-3298, Vol. 41, no 3, p. 653-658Article in journal (Refereed) Published
Sustainable development
In my opinion, the content of this publication falls within the area of sustainable development.
Abstract [en]

Ethanol and mycelial biomass production from dilute-acid hydrolyzed hemicellulose fraction of rice straw was investigated by cultivation of Mucor indicus and compared with cultivation of Pichia stipitis. The hydrolysis resulted in 189 g xylose and 29 g glucose per kg of the straw used. Anaerobic cultivation of M. indicus resulted in formation of 0.46 g/g ethanol from glucose, while no ethanol but 0.65 g/g xylitol was produced from xylose. However, the fungus could produce ethanol from both hexoses and xylose present in the hydrolyzate aerobically, and yielded totally 0.24 g/g ethanol and 0.37 g/g mycelial biomass. Xylitol and glycerol were also produced by yields 0.18 and 0.08 g/g, respectively. P. stipitis had a better performance in ethanol production at identical conditions with ethanol yield 0.38 g/g of the sugars within the hydrolyzate.

Place, publisher, year, edition, pages
2006. Vol. 41, no 3, p. 653-658
Keywords [en]
Dilute-acid hydrolysis, Ethanol, Fermentation, Mucor indicus, Pichia stipitis, Rice straw
National Category
Industrial Biotechnology
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-14820DOI: 10.1016/j.procbio.2005.08.014ISI: 000235727700023Scopus ID: 2-s2.0-32344442526ISBN: 13595113 (ISSN) OAI: oai:DiVA.org:hb-14820DiVA, id: diva2:1236500
Available from: 2018-08-02 Created: 2018-08-02 Last updated: 2018-08-08Bibliographically approved

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Taherzadeh, Mohammad J

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