|
Components
|
Composition of rice straw (expressed as the percentage of oven dried, %)
|
|---|
|
UTRS
|
AC1RS
|
AC2RS
|
|---|
|
Structural components:
| | | |
|
1. Structural carbohydrates
|
57.8 ± 0.6
|
57.2 ± 0.3
|
57.8 ± 0.4
|
|
Glucan
|
34.4 ± 0.6
|
33.8 ± 0.2
|
34.6 ± 0.4
|
|
Xylan
|
19.7 ± 0.2
|
19.8 ± 0.2
|
19.5 ± 0.1
|
|
Arabinan
|
3.7 ± 0.1
|
3.6 ± 0.0
|
3.7 ± 0.1
|
|
2. Lignin
|
19.8 ± 0.8
|
15.4 ± 0.8
|
15.8 ± 1.0
|
|
3. Acetyl group
|
1.6 ± 0.1
|
1.4 ± 0.1
|
1.7 ± 0.0
|
|
Non-structural components:
| | | |
|
1. Ash
|
14.1 ± 0.2
|
13.5 ± 0.1
|
13.4 ± 0.2
|
|
2. Nitrogen (native)
|
0.5 ± 0.2
|
0.5 ± 0.2
|
0.5 ± 0.2
|
|
3. Nitrogen (AFEX)
|
NA
|
2.5 ± 0.4
|
3.7 ± 0.4
|
|
4. Extractives
|
6.7 ± 1.8
|
11.8 ± 1.4
|
12.8 ± 1.0
|
- All values are means of duplicate ± standard deviation; NA – Not applicable.
