Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 407942
Title Corn fiber, cobs and stover: Enzyme-aided saccharification and co-fermentation after dilute acid pretreatment
Author(s) Eylen, D. van; Dongen, F.E.M. van; Kabel, M.A.; Bont, J.A.M. de
Source Bioresource Technology 102 (2011)10. - ISSN 0960-8524 - p. 5995 - 6004.
Department(s) Food Chemistry Group
AFSG Staff Departments (WUATV)
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) maize bran - fuel ethanol - hydrolysis - xylan - cellulose - products - complex - lignin - oligosaccharides - autohydrolysis
Abstract Three corn feedstocks (fibers, cobs and stover) available for sustainable second generation bioethanol production were subjected to pretreatments with the aim of preventing formation of yeast-inhibiting sugar-degradation products. After pretreatment, monosaccharides, soluble oligosaccharides and residual sugars were quantified. The size of the soluble xylans was estimated by size exclusion chromatography. The pretreatments resulted in relatively low monosaccharide release, but conditions were reached to obtain most of the xylan-structures in the soluble part. A state of the art commercial enzyme preparation, Cellic CTec2, was tested in hydrolyzing these dilute acid-pretreated feedstocks. The xylose and glucose liberated were fermented by a recombinant Saccharomyces cerevisiae strain. In the simultaneous enzymatic saccharification and fermentation system employed, a concentration of more than 5% (v/v) (0.2 g per g of dry matter) of ethanol was reached.
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