Table 1. Chemical compositions of raw material and pretreated biomass (unit: %)
| Lignin | Glucan | Xylan | Galactan | Arabinan | Mannan | Ash |
| FP | 29.79 (0.56) | 40.87 (1.80) | 13.07 (0.71) | 6.01 (0.37) | 2.94 (1.35) | 6.01 (0.55) | 2.40 (0.10) |
| FP-HT | 32.41 (0.41) | 44.98 (1.55) | 7.30 (0.43) | 4.23 (0.27) | 1.49 (0.57) | 3.83 (0.36) | 2.29 (0.31) |
| FP-BM | 28.96 (0.32) | 40.09 (1.99) | 12.28 (0.58) | 5.47 (0.25) | 2.95 (0.03) | 5.96 (0.52) | 3.19 (0.34) |
| FP-HSH | 31.11 (0.18) | 42.22 (0.62) | 13.24 (1.96) | 6.09 (0.46) | 3.65 (0.59) | 5.93 (0.49) | 2.02 (0.05) |
| FP-BM/HT | 35.51 (1.48) | 49.22 (0.24) | 5.80 (0.26) | 3.83 (0.24) | 1.29 (0.24) | 2.40 (0.23) | 2.15 (0.06) |
| FP-HSH/HT | 34.99 (0.71) | 48.67 (0.13) | 6.96 (0.33) | 4.36 (0.33) | 1.61 (0.09) | 3.93 (0.37) | 2.36 (0.07) |
| RH | 24.50 (0.53) | 36.82 (0.65) | 15.56 (0.39) | 5.00 (0.26) | 3.11 (0.52) | 2.73 (0.31) | 11.45 (0.09) |
| RH-HT | 24.74 (1.52) | 40.53 (1.52) | 9.43 (0.50) | 4.03 (0.59) | 3.00 (0.48) | 1.54 (0.23) | 11.26 (0.13) |
| RH-BM | 23.66 (0.21) | 35.84 (1.23) | 15.00 (0.54) | 4.75 (0.41) | 2.96 (0.48) | 2.21 (0.17) | 11.73 (0.09) |
| RH-HSH | 25.58 (0.66) | 38.93 (0.82) | 15.59 (0.33) | 4.84 (0.21) | 3.00 (0.19) | 2.78 (0.44) | 10.76 (0.13) |
| RH-BM/HT | 25.87 (0.58) | 45.15 (2.42) | 8.48 (0.80) | 3.70 (0.35) | 1.59 (0.17) | 1.38 (0.16) | 10.84 (0.13) |
| RH-HSH/HT | 25.16 (0.58) | 44.45 (1.48) | 11.93 (0.83) | 4.15 (0.20) | 2.01 (0.33) | 1.89 (0.26) | 11.73 (0.08) |
FP, forest by-products; RH, rice husk; HT, hydrothermal pretreatment; BM, ball-milling pretreatment; HSH, high-speed homogenization pretreatment.