Pretreatment severity | Cellulose | Lignin | Removal of lignina | Hemicellulose | Removal of hemicellulosea | ||
---|---|---|---|---|---|---|---|
Soluble acid | Insoluble acid | Total | |||||
Control | 33.28 ± 0.71 | 1.48 ± 0.04 | 15.09 ± 0.18 | 16.57 | – | 30.15 ± 0.71 | – |
S = 3.6 | 60.21 ± 0.87 | 1.00 ± 0.14 | 13.59 ± 0.08 | 14.59 | 52.35 | 1.31 ± 0.00 | 97.66 |
S = 3.9 | 59.72 ± 0.43 | 0.86 ± 0.03 | 13.91 ± 1.25 | 14.77 | 52.54 | 0.78 ± 0.04 | 98.62 |
S = 4.2 | 58.52 ± 0.34 | 0.67 ± 0.03 | 14.95 ± 0.69 | 15.62 | 50.24 | 1.6 ± 0.12 | 97.87 |