Chemical composition | Control HP (untreated) | [EMIM][CH3COO]-activated HP | [AMIM][HCOO]-activated HP | ||
---|---|---|---|---|---|
Activation time (h) | – | 3 | 72 | 3 | 72 |
Cellulose (%) | 44.2a ± 0.2 | 43.4b ± 0.1 | 43.5b ± 0.3 | 42.8c ± 0.2 | 42.6c ± 0.1 |
Hemicellulose (%) | 20.6a ± 0.1 | 20.2a ± 0.1 | 19.9a ± 0.2 | 19.0b ± 0.2 | 18.5b ± 0.3 |
Total carbohydrates (%)1 | 64.5a ± 0.9 | 63.7ab ± 0.3 | 63.4b ± 0.5 | 61.8c ± 0.3 | 61.2c ± 0.2 |
Lignin (%) | 27.8b ± 0.6 | 28.9a ± 0.2 | 27.8b ± 0.3 | 27.9b ± 0.3 | 27.5b ± 0.5 |
Acetyl content (%) | 5.9a ± 0.07 | 5.3b ± 0.05 | 3.3e ± 0.05 | 4.9c ± 0.02 | 4.8d ± 0.03 |
Decrease in acetyl content (%)2 | – | 10.2 | 44.1 | 16.9 | 18.6 |