期刊
BIORESOURCE TECHNOLOGY
卷 340, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.125655
关键词
Lignin; Enzyme; Mechanism; Reaction; Kinetics
资金
- Slovenian Research Agency [P2-0152, IO-0003, J2-2492, J2-1723]
Enzymes play a crucial role in lignin valorization, with different enzymes involved in various elementary reaction mechanisms. Degradation of lignin depends on enzyme activity and the interaction with proteins in ways that target specific covalent bonds in lignin. Various factors influence enzymatic activity, which must be taken into consideration for optimal functionality and synthesis yields.
Lignin is a wasted renewable source of biomass-derived value-added chemicals. However, due to its material resistance to degradation, it remains highly underutilized. In order to develop new, catalysed and more environment friendly reaction processes for lignin valorization, science has turned a selective concentrated attention to microbial enzymes. This present work looks at the enzymes involved with the main reference focus on the different elementary mechanisms of action/conversion rate kinetics. Pathways, like with laccases/peroxidases, employ radicals, which more readily result in polymerization than de-polymerization. The beta-etherase system interaction of proteins targets beta-O-4 ether covalent bond, which targets lower molecular weight product species. Enzymatic activity is influenced by a wide variety of different factors which need to be considered in order to obtain the best functionality and synthesis yields.
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