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Related Experiment Video

Updated: May 9, 2026

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Published on: January 7, 2019

Valorizing Lignin to Bioactive Natural Compounds.

Siyu Qi¹, Xiaowang Zhang¹, Zhiyu Zhang¹

¹College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, P. R. China.

|October 16, 2025

Summary

This summary is machine-generated.

This review bridges lignin depolymerization with the synthesis of natural bioactive compounds (NBCs). It details methods for converting lignin into valuable chemicals, offering guidance for sustainable production.

Keywords:

biomass biotransformations lignin natural bioactive compounds valorization

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Last Updated: May 9, 2026

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

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Quantitative 31P NMR Analysis of Lignins and Tannins

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Published on: August 2, 2021

Area of Science:

Biomass Valorization
Sustainable Chemistry
Natural Product Synthesis

Background:

Lignin is an abundant renewable aromatic polymer with potential for synthesizing high-value natural bioactive compounds (NBCs).
Current research disconnects lignin depolymerization (upstream) from downstream catalytic synthesis of NBCs.
Existing literature is fragmented, lacking comprehensive reviews on lignin-derived NBC synthesis.

Purpose of the Study:

To provide a comprehensive review connecting lignin depolymerization with NBC synthesis.
To systematically evaluate recent advances in synthesizing NBCs from lignin and its derivatives.
To offer theoretical guidance and technical references for enhanced lignin valorization.

Main Methods:

Outlining lignin depolymerization methods and primary aromatic monomers.
Classifying NBCs and evaluating synthesis strategies (chemo-catalytic, biocatalytic, chemo-bio cascade).
Analyzing recent advances in synthesizing flavonoids, curcumin analogs, and tetrahydroisoquinolines from lignin.

Main Results:

Lignin depolymerization yields primary aromatic monomers suitable for NBC synthesis.
Diverse chemo-catalytic, biocatalytic, and cascade strategies enable NBC production from lignin.
Successful synthesis of various high-value natural products from lignin feedstocks is demonstrated.

Conclusions:

An integrated approach bridging lignin depolymerization and NBC synthesis is crucial.
This review provides a framework for advancing lignin valorization for sustainable chemical production.
Accelerated synthesis of NBCs from lignin is achievable through optimized upstream and downstream processes.