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A Method for Studying Effects on Lignin-Polysaccharide Networks during Biological Degradation and Technical Processes of Wood
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.ORCID iD: 0000-0001-8135-588X
Ecohelix AB, Teknikringen 38, 10044 Stockholm, Sweden.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.
2016 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 11, no 1, 1307-1318 p.Article in journal (Refereed) Published
Abstract [en]

Woody tissues consist primarily of a mixture of cellulose, hemicelluloses, and lignin. Covalent bonds between lignin and polysaccharides likely play a central role in determining the mechanical and physical properties of wood. Intact and defined lignin-polysaccharide networks have not been isolated in large quantities because of the recalcitrance of lignin, which demands harsh chemical treatments that alter its structure. This report presents a method for preparing large quantities of lignin-polysaccharide networks similar to those naturally present in wood based on the enzymatic oxidation of hemicellulose from Norway spruce. Fungal enzymes produced from various carbon sources were used to depolymerize these networks. The method was used for simulating "enzyme mining" - a concept in biorefineries, giving a possible explanation for its mechanisms.

Place, publisher, year, edition, pages
NORTH CAROLINA STATE UNIV , 2016. Vol. 11, no 1, 1307-1318 p.
Keyword [en]
Lignin carbohydrate complexes, Wood, Model system, Biorefinery, Biodegradation
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-182267DOI: 10.15376/biores.11.1.1307-1318ISI: 000367732700103Scopus ID: 2-s2.0-84981163489OAI: oai:DiVA.org:kth-182267DiVA: diva2:904179
Funder
Knut and Alice Wallenberg Foundation
Note

QC 20160223

Available from: 2016-02-18 Created: 2016-02-18 Last updated: 2017-11-30Bibliographically approved

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