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 406112
Title Structural features and properties of soluble products derived from Eucalyptus globulus hemicelluloses
Author(s) Gullon, P.; González-Muñoz, M.J.; Gool, M.P. van; Schols, H.A.; Hirsch, J.; Ebringerová, A.; Parajo, J.C.
Source Food Chemistry 127 (2011)4. - ISSN 0308-8146 - p. 1798 - 1807.
DOI https://doi.org/10.1016/j.foodchem.2011.02.066
Department(s) Food Chemistry Group
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) xylo-oligosaccharides - in-vitro - autohydrolysis liquors - intestinal microbiota - wood - xylooligosaccharides - fermentability - fermentation - spectroscopy - manufacture
Abstract Eucalyptus globulus wood samples were subjected to double hydrothermal processing to remove extractives in the first stage, and to cause the selective solubilisation of 4-O-methylglucuronoxylan in the second stage. The hemicellulose-derived products present in the liquors from the second hydrothermal stage (substituted xylooligosaccharides, denoted XOS) were refined by treatments with membranes and ion exchange. The purified XOS product was assayed for composition and characterised by HPLC-RI, HPAEC-PAD, HPSEC, MALDI-TOF-MS and NMR techniques. The results suggested the presence of neutral and acidic XOS with a degree of acetylation of about 0.6. The fermentability of the refined XOS product by faecal inocula was assessed by measuring both substrate consumption and formation of short-chain fatty acids.
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