Midinfrared FT-IR as a Tool for Monitoring Herbaceous Biomass Composition and Its Conversion to Furfural
Table 3
Results of characteristic parameters obtained with Van Soest analysis for giant reed (S1–S11) and switchgrass samples (S12) and relative cellulose and hemicellulose % data.
Sample
Biomass
Ecotype
Harvest time
Morphological region
Ash (%)
AIA (%)
NDF (%)
ADF (%)
ADL (%)a
Cellulose (%)
Hemicellulose (%)
S1
Giant reed
Torviscosa
Autumn
Leaf
11.7
4.8
63.8
41.9
5.6
36.3
21.9
S2
Giant reed
Torviscosa
Autumn
Stem
4.2
1.7
75.5
50.2
10.3
39.9
25.3
S3
Giant reed
Pisa
Summer
Leaf
8.6
2.9
65.0
40.3
3.8
36.5
24.7
S4
Giant reed
Pisa
Summer
Stem
3.7
1.3
77.2
48.7
10.1
38.6
28.5
S5
Giant reed
Pisa
Autumn
Leaf
9.5
4.0
64.6
41.7
4.7
37.0
22.9
S6
Giant reed
Pisa
Autumn
Stem
3.6
1.2
77.0
48.6
11.0
37.6
28.4
S7
Giant reed
Pisa
Winter
Leaf
7.0
4.5
73.7
45.3
5.2
40.1
28.4
S8
Giant reed
Pisa
Winter
Stem
3.3
1.2
80.2
45.8
9.8
36.0
34.4
S9
Giant reed
Torviscosa
Winter
Leaf
11.6
7.0
65.0
44.2
3.6
40.6
20.8
S10
Giant reed
Torviscosa
Winter
Stem
4.0
3.2
79.4
52.9
8.3
42.8
24.9
S11
Giant reed
Pisa
Winter
Stem + leaf
4.4
2.2
78.2
47.6
9.1
38.5
30.6
S12
Switchgrass
Alamo
Winter
Stem + leaf
4.1
1.7
78.4
42.6
9.6
33.0
35.8
ADL (%) value directly corresponds to the lignin (%) composition.
