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 453250
Title Carbohydrate composition of compost during composting and mycelium growth of Agaricus bisporus
Author(s) Jurak, E.; Kabel, M.A.; Gruppen, H.
Source Carbohydrate Polymers 101 (2014). - ISSN 0144-8617 - p. 281 - 288.
DOI https://doi.org/10.1016/j.carbpol.2013.09.050
Department(s) Food Chemistry
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) xylan-degrading enzymes - mushroom compost - polysaccharides - biodegradation - degradation - biomass - alkali
Abstract Changes of plant cell wall carbohydrate structures occurring during the process to make suitable compost for growth of Agaricus bisporus are unknown. In this paper, composition and carbohydrate structures in compost samples collected during composting and mycelium growth were analyzed. Furthermore, different extracts of compost samples were prepared with water, 1 M and 4 M alkali and analyzed. At the beginning of composting, 34% and after 16 days of mycelium growth 27% of dry matter was carbohydrates. Carbohydrate composition analysis showed that mainly cellulose and poorly substituted xylan chains with similar amounts and ratios of xylan building blocks were present in all phases studied. Nevertheless, xylan solubility increased 20% over the period of mycelium growth indicating partial degradation of xylan backbone. Apparently, degradation of carbohydrates occurred over the process studied by both bacteria and fungi, mainly having an effect on xylan-chain length and solubility.
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