Table 2.
Composition of steam-pretreated wheat straw (average and SD of three measurements)
| Ave. content | SD | |
|---|---|---|
| DM (%) | 16.7 | 0.3 |
| WIS (%) | 11.9 | 0.4 |
| Content in solid fraction (% WIS) | ||
| Glucan | 44.7 | 1.5 |
| Xylan | 11.9 | 0.8 |
| Lignina | 32.0 | 0.9 |
| Content in liquid fraction (g/L) | ||
| Glucoseb | 6.5 (1.0) | 0.0 |
| Xyloseb | 36.3 (9.9) | 0.1 |
| Acetic acid | 4.6 | 0.0 |
| Furfural | 1.5 | 0.0 |
| HMF | 0.2 | 0.0 |
aAcid-soluble and -insoluble lignin and lignin ash are included
bBoth monomeric and oligomeric forms are included; concentration of monomeric sugars are in parenthesis