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Title: Ultrafiltration and ethanol precipitation for isolation of arabinoxylooligosaccharides with different structures
Authors: Swennen, Katrien ×
Courtin, Christophe
Van der Bruggen, Bart
Vandecasteele, Carlo
Delcour, Jan #
Issue Date: Dec-2005
Publisher: Elsevier sci ltd
Series Title: Carbohydrate polymers vol:62 issue:3 pages:283-292
Abstract: Ultrafiltration was investigated as possible alternative to ethanol precipitation for isolation of arabinoxylooligosaccharides (AXOS) with different structures from enzymically produced arabinoxylan (AX) hydrolysates. Incubation of wheat flour AX with an Aspergillus aculeatus endoxylanase yielded mixtures of AX poly- and oligosaccharides. Their fractionation by graded ethanol precipitation or ultrafiltration membranes with different molecular mass cut-off yielded fractions, which differed both in degree of polymerization (DP) and degree of substitution (DS). Although the ultrafiltration fractions were more heterogeneous than the ones obtained by ethanol precipitation, AXOS fractions with similar DP and DS could be obtained with both methods. (c) 2005 Elsevier Ltd. All rights reserved.
URI: 
ISSN: 0144-8617
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Food and Microbial Technology
Process Engineering for Sustainable Systems Section
× corresponding author
# (joint) last author

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