From: Analysis, pretreatment and enzymatic saccharification of different fractions of Scots pine
Contents in % (w/w) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Fraction | Arabinan ± SD | Galactan ± SD | Glucan ± SD | Mannan ± SD | Xylan ± SD | Klason lignin ± SD | Acid soluble lignin ± SD | Total lignin ± SD | Extractives ± SD | Ash ± SD | Total b |
Juvenile heartwood | 2.0 ± 0.1 | 3.1 ± 0.1 | 42.7 ± 3.9 | 11.8 ± 0.2 | 6.6 ± 0.1 | 27.9 ± 0.3 | 1.6 ± 0.1 | 29.5 ± 0.4 | 4.5 ± 0.5 | 0.2 ± 0.1 | 100 |
Mature heartwood | 1.8 ± 0.1 | 3.0 ± 0.1 | 42.2 ± 5.2 | 12.1 ± 0.2 | 5.3 ± 0.1 | 27.7 ± 0.1 | 1.4 ± 0.1 | 29.1 ± 0.2 | 4.4 ± 0.6 | 0.2 ± 0.1 | 98 |
Juvenile sapwood | 1.9 ± 0.1 | 2.8 ± 0.2 | 39.7 ± 0.1 | 10.5 ± 0.3 | 6.2 ± 0.3 | 25.8 ± 0.4 | 1.7 ± 0.1 | 27.4 ± 0.5 | 3.0 ± 0.2 | 0.3 ± 0.1 | 92 |
Mature sapwood | 1.7 ± 0.1 | 2.3 ± 0.1 | 41.8 ± 1.6 | 14.0 ± 0.2 | 5.5 ± 0.1 | 26.9 ± 0.2 | 1.5 ± 0.1 | 28.4 ± 0.2 | 2.9 ± 0.1 | 0.2 ± 0.1 | 97 |
Bark | 2.4 ± 0.2 | 2.8 ± 0.2 | 41.8 ± 2.0 | 11.7 ± 0.3 | 5.4 ± 0.1 | 28.2 ± 0.3 | 1.9 ± 0.1 | 30.0 ± 0.3 | 3.5 ± 0.2 | 0.9 ± 0.3 | 99 |
Top parts | 2.0 ± 0.1 | 3.4 ± 0.1 | 41.4 ± 1.4 | 11.4 ± 0.1 | 6.6 ± 0.1 | 28.1 ± 0.2 | 1.6 ± 0.1 | 29.7 ± 0.2 | 3.3 ± 0.6 | 0.3 ± 0.1 | 98 |
Knotwood | 2.2 ± 0.1 | 4.1 ± 0.3 | 38.2 ± 1.4 | 11.9 ± 0.1 | 6.6 ± 0.1 | 30.0 ± 0.3 | 1.6 ± 0.1 | 31.5 ± 0.3 | 9.2 ± 0.3 | 0.3 ± 0.1 | 105 |