| Components | Original composition, % | Composition after autohyrolysis, % |
|---|---|---|
| Cellulose | 34,0±0,5 | 37,0±0,5 |
| Hemicellulose | 3,7±1,0 | 1,5±1,0 |
| Soluble substances | 3,2±0,5 | 6,9±0,5 |
| Lignin | 8,5±0,2 | 3,5±0,2 |
| Resins and fats | 2,3±10 | 2,3±10 |
| Ash | 47,8±0,5 | 48,0±0,5 |
| Others | 0,5±0,2 | 0,8±0,2 |
| Total | 100,0 | 100,0 |