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Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part I: Lignin
Published on: March 11, 2010
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Xylooligosaccharides from lignocellulosic biomass: A comprehensive review
Luciana Santibáñez1, Constanza Henríquez1, Romina Corro-Tejeda1
1Centre for Biotechnology and Bioengineering, Department of Chemical Engineering, Biotechnology and Materials, University of Chile, Beauchef 851, Santiago, Zipcode 8370448, Chile.
Carbohydrate Polymers
|November 4, 2020
Summary
Xylooligosaccharides (XOS), derived from lignocellulosic biomass, are gaining traction as nutraceutical ingredients due to their prebiotic effects. The optimal production involves alkaline pre-treatment and enzymatic hydrolysis, followed by membrane filtration for purification.
Area of Science:
- Biotechnology
- Food Science
- Biochemistry
Background:
- Xylooligosaccharides (XOS) are short-chain polymers with prebiotic activity derived from lignocellulosic biomass (LCB).
- XOS have significant commercial interest for the nutraceutical industry.
- Research on XOS production, purification, characterization, and evaluation of prebiotic effects is ongoing.
Purpose of the Study:
- To review key aspects of XOS production processes.
- To explore raw material selection, production strategies, and purification methods for XOS.
- To critically evaluate current XOS production and characterization methodologies.
Main Methods:
- Focus on lignocellulosic biomass (LCB) pre-treatments (e.g., alkaline).
- Enzymatic hydrolysis of xylan to produce XOS.
- Purification techniques, particularly membrane filtration.
- Characterization and quantification of XOS.
Main Results:
- Comparative analysis of XOS production studies is challenging due to inconsistent criteria.
- A two-stage approach combining alkaline pre-treatment and enzymatic hydrolysis is generally recommended.
- Membrane filtration is a preferred method for XOS purification.
Conclusions:
- Standardized criteria are needed for evaluating XOS production processes.
- The alkaline pre-treatment and enzymatic hydrolysis followed by membrane filtration is a robust strategy for XOS production.
- Further research should focus on optimizing and standardizing XOS production and characterization.
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