Title |
The fate of lignin during hydrothermal pretreatment
|
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Published in |
Biotechnology for Biofuels and Bioproducts, August 2013
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DOI | 10.1186/1754-6834-6-110 |
Pubmed ID | |
Authors |
Heather L Trajano, Nancy L Engle, Marcus Foston, Arthur J Ragauskas, Timothy J Tschaplinski, Charles E Wyman |
Abstract |
Effective enzymatic hydrolysis of lignocellulosic biomass benefits from lignin removal, relocation, and/or modification during hydrothermal pretreatment. Phase transition, depolymerization/repolymerization, and solubility effects may all influence these lignin changes. To better understand how lignin is altered, Populus trichocarpa x P. deltoides wood samples and cellulolytic enzyme lignin (CEL) isolated from P. trichocarpa x P. deltoides were subjected to batch and flowthrough pretreatments. The residual solids and liquid hydrolysate were characterized by gel permeation chromatography, heteronuclear single quantum coherence NMR, compositional analysis, and gas chromatography-mass spectrometry. |
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