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Related Experiment Video

Updated: Jun 16, 2026

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part II: Carbohydrates
10:46

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part II: Carbohydrates

Published on: March 12, 2010

Compositional analysis of water-soluble materials in switchgrass.

Shou-Feng Chen1, Richard A Mowery, Richard S Sevcik

  • 1Department of Chemistry and Biochemistry, Baylor University, Waco, Texas 76798, USA.

Journal of Agricultural and Food Chemistry
|February 23, 2010
PubMed
Summary

Detailed chemical analysis of switchgrass water-soluble extracts reveals carbohydrates as the primary component. This research provides crucial insights for biomass processing and feedstock evaluation.

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Area of Science:

  • Biomass characterization
  • Analytical chemistry
  • Bioprocessing feedstock evaluation

Background:

  • Accurate chemical composition knowledge is vital for biomass feedstock valuation.
  • Established methods for biomass water-soluble extracts allow for near-quantitative mass closure.
  • Previous analysis of corn stover provides a basis for switchgrass assessment.

Purpose of the Study:

  • To analyze the chemical composition of water-soluble materials in switchgrass.
  • To identify and quantify unknown constituents in switchgrass aqueous extracts.
  • To compare switchgrass extract composition with corn stover and assess implications for bioprocessing.

Main Methods:

  • Application of analytical techniques developed for corn stover analysis.

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Structural Characterization of Mannan Cell Wall Polysaccharides in Plants Using PACE
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Last Updated: Jun 16, 2026

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part II: Carbohydrates
10:46

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part II: Carbohydrates

Published on: March 12, 2010

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part I: Lignin
12:04

Comprehensive Compositional Analysis of Plant Cell Walls (Lignocellulosic biomass) Part I: Lignin

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Structural Characterization of Mannan Cell Wall Polysaccharides in Plants Using PACE
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  • Compositional analysis of four representative switchgrass samples.
  • Utilizing various chromatographic techniques for identification and quantification.

    • Main Results:

    • Achieved >78% mass closure for all switchgrass samples, with three exceeding 85%.
    • Identified and quantified over 30 previously unknown constituents.
    • Carbohydrates (18-27% dry weight) were predominant, with total glycans at 25-32%.
    • Other constituents included alditols (2-3%), organic acids (10-13%), inorganic ions (11-13%), and lignin-carbohydrate complexes (30-35%).

    Conclusions:

    • Switchgrass water-soluble extracts are complex, with carbohydrates and lignin-carbohydrate complexes as major components.
    • The detailed compositional data is essential for optimizing bioprocessing strategies.
    • Findings inform feedstock storage considerations and guide future feedstock analysis.