Table 1 Polysaccharide composition, volatile solids (VS) content and biomethane potential (BMP) of the six selected Salix varieties under unfertilised (F0) and fertilised (F+) conditions (adapted from analytical values in Additional file 1: Table S1)
Variety | Lignin (%VS) | Cellulose (%VS) | Hemi-cellulose | VS (%TS) | BMP (mL/gm VS) | |||
|---|---|---|---|---|---|---|---|---|
Xylan (%VS) | Galactan (%VS) | Arabinan (%VS) | Mannan (%VS) | |||||
Björn F0 | 24.5 | 54.0 | 9.4 | 1.9 | 0.4 | 1.8 | 97.9 | 194 |
Björn F+ | 24.7 | 51.3 | 8.9 | 1.6 | 0.4 | 1.6 | 98.1 | 232 |
Gudrun F0 | 28.0 | 50.0 | 9.2 | 1.6 | 0.6 | 1.6 | 97.7 | 246 |
Gudrun F+ | 28.7 | 48.8 | 8.3 | 1.7 | 0.6 | 1.5 | 97.3 | 235 |
Jorr F0 | 28.1 | 49.3 | 8.6 | 2.4 | 0.8 | 2.3 | 97.7 | 216 |
Jorr F+ | 27.8 | 46.9 | 7.8 | 2.0 | 0.9 | 2.2 | 98.1 | 190 |
Loden F0 | 29.0 | 47.3 | 8.4 | 1.7 | 0.7 | 1.8 | 96.9 | 236 |
Loden F+ | 29.6 | 47.3 | 8.5 | 1.8 | 0.8 | 2.0 | 97.3 | 251 |
Tora F0 | 29.1 | 48.0 | 9.4 | 2.1 | 0.7 | 1.9 | 97.3 | 246 |
Tora F+ | 26.7 | 46.1 | 9.0 | 1.6 | 0.6 | 2.1 | 97.8 | 248 |
Tordis F0 | 26.0 | 52.3 | 9.0 | 1.9 | 0.5 | 2.1 | 98.1 | 271 |
Tordis F+ | 26.2 | 50.4 | 8.9 | 1.6 | 0.4 | 1.8 | 98.2 | 268 |