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Production of Organic Acids

Production of Organic Acids

Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...

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Related Experiment Video

Updated: Apr 25, 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

[Progress in natural laccase mediators from lignocelluloses].

Weihua Qiu, Hongzhang Chen

Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology

|August 15, 2014

Summary

Researchers are exploring natural laccase mediators derived from lignin to overcome the limitations of synthetic mediators, aiming for cost-effective and eco-friendly industrial applications.

Area of Science:

Biotechnology
Enzymology
Green Chemistry

Background:

Laccase enzymes show significant industrial potential but are hindered by costly and toxic synthetic mediators.
Developing efficient, environmentally friendly, and affordable natural mediators is crucial for laccase-mediator systems.
Lignin-derived small molecules are a promising source for natural laccase mediators.

Purpose of the Study:

To review the types and catalytic mechanisms of laccase mediators.
To explore the composition and separation of natural mediators from various lignocellulosic sources.
To provide directions for discovering highly reactive natural mediators and utilizing lignocellulose degradation products.

Main Methods:

Literature review on laccase mediator types and mechanisms.

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Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

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Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Published on: December 12, 2013

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Last Updated: Apr 25, 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

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

Published on: March 9, 2021

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Published on: December 12, 2013

Analysis of natural mediators from steam-exploded straw, black liquor, and fungal fermentation.

Investigation of lignocellulose degradation products.

Main Results:

Identified natural mediators from various lignocellulosic sources.
Characterized the composition and separation methods for these natural mediators.
Highlighted the potential of lignin degradation products as sources for effective mediators.

Conclusions:

Natural laccase mediators offer a sustainable alternative to synthetic ones.
Effective extraction and identification of natural mediators are key to industrialization.
This research paves the way for high-value utilization of lignocellulose through laccase technology.