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Advances in L-Lactic Acid Production from Lignocellulose Using Genetically Modified Microbial Systems
Lucila Díaz-Orozco1, Mario Moscosa Santillán1, Rosa Elena Delgado Portales1
1Faculty of Chemical Sciences, Autonomous University of San Luis Potosí (UASLP), San Luis Potosí 78210, Mexico.
Polymers
|February 13, 2025
Summary
Agave bagasse, an agro-industrial residue, can be used to sustainably produce lactic acid via microbial fermentation. This approach offers a cost-effective and environmentally friendly alternative to traditional sugar-based methods.
Area of Science:
- Biotechnology and Industrial Microbiology
- Sustainable Chemistry
- Biorefining
Background:
- Lactic acid is a key industrial chemical with diverse applications.
- Conventional production from refined sugars is costly and environmentally impactful.
- Lignocellulosic biomass, like agave bagasse, offers a sustainable alternative feedstock.
Purpose of the Study:
- To review the potential of lignocellulosic biomass, specifically agave bagasse, for lactic acid production.
- To explore microbial fermentation processes using agricultural residues.
- To highlight sustainable alternatives to conventional lactic acid manufacturing.
Main Methods:
- Analysis of lignocellulosic biomass composition and pretreatment strategies.
- Selection and application of lactic acid bacteria (LAB), including genetically modified microorganisms (GMMs).
- Optimization of fermentation conditions for enhanced yield.
Main Results:
- Agave bagasse is rich in fermentable carbohydrates, suitable for biotechnological conversion.
- LAB, especially GMMs, can improve fermentation efficiency and lactic acid yield.
- Valorization of agro-industrial residues offers a promising route for sustainable chemical production.
Conclusions:
- Lignocellulosic biomass presents a viable and sustainable substrate for lactic acid fermentation.
- Biotechnological processing of agro-industrial residues can lead to cost-effective and eco-friendly lactic acid production.
- This approach supports the circular economy by valorizing waste streams.
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