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Hydrolysis and fermentation of brewer's spent grain by Neurospora crassa

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dc.contributor.author Xiros, C en
dc.contributor.author Topakas, E en
dc.contributor.author Katapodis, P en
dc.contributor.author Christakopoulos, P en
dc.date.accessioned 2014-03-01T01:28:39Z
dc.date.available 2014-03-01T01:28:39Z
dc.date.issued 2008 en
dc.identifier.issn 0960-8524 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/18891
dc.subject Brewers spent grain en
dc.subject Consolidated bioprocessing en
dc.subject Ethanol en
dc.subject Pre-treatment en
dc.subject Solid-state culture en
dc.subject.classification Agricultural Engineering en
dc.subject.classification Biotechnology & Applied Microbiology en
dc.subject.classification Energy & Fuels en
dc.subject.other Bioreactors en
dc.subject.other Fermentation en
dc.subject.other Hydrolysis en
dc.subject.other Optimization en
dc.subject.other Brewers spent grain en
dc.subject.other Consolidated bioprocessing en
dc.subject.other Solid-state culture en
dc.subject.other Ethanol en
dc.subject.other acetylesterase en
dc.subject.other alcohol en
dc.subject.other alpha arabinofuranosidase en
dc.subject.other beta glucosidase en
dc.subject.other cellulose 1,4 beta cellobiosidase en
dc.subject.other esterase en
dc.subject.other feruloylesterase en
dc.subject.other glucan synthase en
dc.subject.other multienzyme complex en
dc.subject.other xylan endo 1,3 beta xylosidase en
dc.subject.other Bioreactors en
dc.subject.other Ethanol en
dc.subject.other Fermentation en
dc.subject.other Hydrolysis en
dc.subject.other Optimization en
dc.subject.other bioreactor en
dc.subject.other brewing industry en
dc.subject.other cellulose en
dc.subject.other electrokinesis en
dc.subject.other enzyme en
dc.subject.other ethanol en
dc.subject.other experimental study en
dc.subject.other fermentation en
dc.subject.other fungus en
dc.subject.other hydrolysis en
dc.subject.other laboratory method en
dc.subject.other lignin en
dc.subject.other sodium en
dc.subject.other aeration en
dc.subject.other article en
dc.subject.other bioreactor en
dc.subject.other brewing en
dc.subject.other enzyme activity en
dc.subject.other enzyme mechanism en
dc.subject.other food processing en
dc.subject.other fungus culture en
dc.subject.other hydrolysis en
dc.subject.other isoelectric focusing en
dc.subject.other moisture en
dc.subject.other Neurospora crassa en
dc.subject.other nonhuman en
dc.subject.other priority journal en
dc.subject.other solid state en
dc.subject.other solid state fermentation en
dc.subject.other Biomass en
dc.subject.other Bioreactors en
dc.subject.other Ethanol en
dc.subject.other Fermentation en
dc.subject.other Furans en
dc.subject.other Hydrolases en
dc.subject.other Hydrolysis en
dc.subject.other Monosaccharides en
dc.subject.other Neurospora crassa en
dc.subject.other Saccharomyces cerevisiae en
dc.subject.other Substrate Specificity en
dc.subject.other Sulfuric Acids en
dc.subject.other Fungi en
dc.subject.other Neurospora crassa en
dc.title Hydrolysis and fermentation of brewer's spent grain by Neurospora crassa en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.biortech.2007.11.010 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.biortech.2007.11.010 en
heal.language English en
heal.publicationDate 2008 en
heal.abstract In this study, the ethanol production by the mesophilic fungus Neurospora crassa from BG was studied and optimized concerning the induction of lignocellulose degrading enzymes and the production phase as well. The production of cellulolytic and hemicellulolytic enzymes was studied under solid-state cultivation (SSC). SSC in a laboratory horizontal bioreactor using the optimized medium, WS and BG in the ratio 1: 1 and initial moisture level 61.51%, allowed the large scale production of the multienzymatic system. Similar yields with those from flasks experiments, as high as 1073,56,4.2,1.6,3.1,5.7 and 0.52 U g(-1) carbon source of xylanase, endoglucanase, cellobiohydrolase, beta-glucosidase, alpha-L-arabinofuranosidase, acetyl esterase and feruloyl esterase, respectively, were obtained. Chromogenic (fluorogenic) 4-methylumbelliferyl substrates were used to characterize the major activities of the multienzyme component, after the separation by isoelectric focusing (IEF) electrophoresis. Alkali pre-treated BG was used for ethanol production. A yield of about 74 g of ethanol kg(-1) dry BG (5,6 g L-1) was obtained under optimum conditions (aeration 0.1 vvm, pre-treatment with 1 g NaOH 10 g(-1) dry BG). (C) 2007 Elsevier Ltd. All rights reserved. en
heal.publisher ELSEVIER SCI LTD en
heal.journalName Bioresource Technology en
dc.identifier.doi 10.1016/j.biortech.2007.11.010 en
dc.identifier.isi ISI:000256654600019 en
dc.identifier.volume 99 en
dc.identifier.issue 13 en
dc.identifier.spage 5427 en
dc.identifier.epage 5435 en


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