Table 4 Composition of the steam-pretreated wheat straw used in the experiments
Solid fraction | % of WIS |
|---|---|
Glucan | 59.3 |
Xylan | 6.7 |
Galactan | BDL* |
Arabinan | BDL* |
Mannan | BDL* |
Lignin | |
Acid-insoluble | 28.3 |
Acid-soluble | 0.7 |
Lignin ash | 3.1 |
Liquid fraction | g/L |
Monomers | |
Glucose | 3.4 |
Xylose | 24.5 |
Galactose | 4.1 |
Arabinose | 5.4 |
Mannose | 1.1 |
Oligomers | |
Glucose | 5.0 |
Xylose | 12.3 |
Galactose | 1.3 |
Arabinose | 0.3 |
Mannose | 0.3 |
By-products | |
Furfural | 2.6 |
HMF | 0.2 |
Acetic acid | 2.4 |
Formic acid | 0.4 |