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Biodegradation of lignocellulosics: microbial, chemical, and enzymatic aspects of the fungal attack of lignin.
Broadening the knowledge of lignocellulose biodegradation processes should contribute to better control of wood-decaying fungi, as well as to the development of new biocatalysts of industrial interest based on these organisms and their enzymes.
Structural characterization of wheat straw lignin as revealed by analytical pyrolysis, 2D-NMR, and reductive cleavage methods.
The structure of the lignin in wheat straw has been investigated by a combination of analytical pyrolysis, 2D-NMR, and derivatization followed by reductive cleavage, and a major new finding is that the flavone tricin is apparently incorporated intoThe lignins.
Occurrence of naturally acetylated lignin units.
In all cases, acetylation appears to occur at the monomer stage, and sinapyl and coniferyl acetates seem to behave as real lignin monomers participating in lignification.
Pretreatment with laccase and a phenolic mediator degrades lignin and enhances saccharification of Eucalyptus feedstock
The potential of an oxidative enzymatic pretreatment to delignify and improve cellulase saccharification of a hardwood feedstock (eucalypt wood) when applied directly on the ground lignocellulosic material is shown and the main chemical changes in the pretreated material, and its recalcitrant lignin moiety are revealed.
Lignin Composition and Structure in Young versus Adult Eucalyptus globulus Plants1
The data indicated that p-hydroxyphenyl and guaiacyl units are deposited at the earlier stages, whereas the woods are enriched in syringyl (S) lignin during late lignification, and resinols are the most important nonether linkages.
Structural characterization of milled wood lignins from different eucalypt species
Abstract The chemical structure of milled-wood lignins from Eucalyptus globulus, E. nitens, E. maidenii, E. grandis, and E. dunnii was investigated. The lignins were characterized by analytical