Covalent cross-links between lignin and hemicelluloses in lignin-carbohydrate complexes (LCCs), restrict their separation in biomass fractionation. In material perspective, the LCCs are natural and biodegradable hybrid molecules having a block co-polymer type of structure, containing hydrophobic lignin domain interlinked with hydrophilic hemicellulose domain. The project ENTITY utilizes and studies enzymatic catalysis, versatile analytical methods and computational modelling to isolate, characterize and tailor the LCCs for material applications benefiting from the joint functional properties of polyphenolic and hemicellulosic domains of LCCs.
Enzymatic approach was adopted for fractionation of spruce wood analysis
Molecular modelling revealed that structure of lignin hemicellulose complexes can affect their interaction with water and cellulose
Testing of enzymatic treatments with spruce extracts ongoing