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 392174
Title Production, Refining, Structural Characterization and Fermentability of Rice Husk Xylooligosaccharides
Author(s) Gullon, P.; Gonzales-Munoz, M.J.; Gool, M.P. van; Schols, H.A.; Hirsch, J.; Ebringerova, A.; Rarajo, J.C.
Source Journal of Agricultural and Food Chemistry 58 (2010)6. - ISSN 0021-8561 - p. 3632 - 3641.
Department(s) Food Chemistry
Publication type Refereed Article in a scientific journal
Publication year 2010
Keyword(s) substituted xylo-oligosaccharides - human colonic microbiota - treated eucalyptus wood - in-vitro - dietary modulation - ft-ir - autohydrolysis - fermentation - liquors - polysaccharides
Abstract Oligosaccharides produced by hydrothermal processing of rice husks (xylooligosaccharides and glucooligosaccharides) were refined by membrane processing (operating in diafiltration and concentration modes), subjected to xylanase treatment to reduce the average molar mass, and subjected to further purification by ultrafiltration (operating in concentration mode) and ion exchange. The purified products were assayed for composition, molar mass distribution and structural characterization by HPLC, HPAEC-PAD, HPSEC, MALDI-TOF-MS and NMR (1H and 13C). The fermentability of the purified product by fecal inocula was assessed on the basis of the time courses of pH and oligosaccharide concentrations. Succinate, lactate, formiate, acetate, propionate and butyrate were the major products resulting from fermentation experiments.
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