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Table 1 Relative masses of polysaccharides, lignin, and extractives of different lignocelluloses

From: Coupled enzymatic hydrolysis and ethanol fermentation: ionic liquid pretreatment for enhanced yields

Lignocellulose substrate Component (dry wt%)
Arabinan Galactan Glucan Xylan Mannan Lignina Extractivesb
Spruce wood 1.9
(±0.1)
1.6
(±0.1)
41.0
(±1.1)
4.7
(±0.3)
9.7
(±0.3)
28.3
(±0.1)
2.8
(±0.5)
Pine stem wood 2.0
(±0.1)
2.7
(±0.2)
40.3
(±0.7)
5.2
(±0.4)
9.2
(±0.4)
27.5
(±0.5)
4.0
(±0.4)
Birch wood 0.9
(±0.1)
0.6
(±0.1)
38.0
(±0.6)
17.5
(±0.6)
1.6
(±0.2)
23.7
(±0.6)
3.3
(±0.1)
Reed canary grass 2.6
(<0.1)
1.2
(±0.1)
36.8
(±1.3)
16.4
(±0.5)
0.8
(<0.1)
23.1
(±0.9)
3.5
(±0.7)
Pine bark 12.2
(±0.1)
3.0
(± 0.1)
16.7
(<0.1)
1.7
(±0.2)
1.5
(±0.2)
40.3
(±2.2)
19.4
(±2.1)
  1. Data shown as percentage in dry weight; values represent the mean of three replicates; standard error is given in parentheses
  2. aTotal lignin, i.e., Klason lignin plus acid soluble lignin
  3. bEthanol extractives