Table 3: Changes in the main compositions of corn straw after chemical pretreatment (%).

Control4% Ca(OH)28% Ca(OH)212% Ca(OH)2
3 d7 d11 d3 d7 d11 d3 d7 d11 d

Cellulose45.36 ± 0.5543.72 ± 0.8640.98 ± 0.6539.82 ± 1.0037.29 ± 1.0431.07 ± 0.4929.74 ± 0.7931.61 ± 1.1322.14 ± 0.8620.97 ± 0.58
Hemicellulose28.14 ± 0.4326.16 ± 1.0222.51 ± 0.8821.1 ± 0.9119.81 ± 0.5713.99 ± 1.1411.54 ± 0.3713.91 ± 0.3911.24 ± 0.889.98 ± 0.64
Lignin6.88 ± 0.096.58 ± 0.066.45 ± 0.106.23 ± 0.076.36 ± 0.036.22 ± 0.096.17 ± 0.046.39 ± 0.085.36 ± 0.155.21 ± 0.08

Result = mean ± SD.