Biomedical Engineering Reference
In-Depth Information
TABLE 3.4
Polymeric Composition of Some Wood
Hemicellulose
Lignin (Extractive
Free Basis)
4-0-Methylglucurono
(xylan)
Biomass Type
Cellulose
Noncellulsic
Glucomannan
Arabinogalactan
Hardwood Average
a
43
47
18
26
3
2
5
1
10
35
Trembling aspen
53
16
3
4
1
23
White elm
49
24
2
4
2
19
Beech
42
22
4
4
2
25
White birch
41
19
2
3
1
34
Yellow birch
40
21
3
7
1
28
Red maple
41
24
2
7
1
25
Softwood Average
a
10
b
,10
15
c
39
43
26
32
0
5
2
7
15
Balsam fir
44
29
0
18
1
8
Eastern white Cedar
44
31
0
11
2
12
Eastern hemlock
42
33
0
17
1
7
Jack pine
41
29
0
16
2
10
White spruce
44
27
0
18
3
7
Tamarah
43
29
0
16
2
9
a
Schultz, T.P., Taylor, F.W, 1989. Wood. In: Kitani, O., Hall, C.W. (Eds.), Biomass Handbook, p. 136 (Chapter 1.2.5).
b
Partially water soluble.
c
Water soluble.
Source: Adapted from Mullins and McKnight (1981).
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