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Table 1 Chemical composition of rice straw before and after alkali pretreatment

From: Saccharification of rice straw by cellulase from a local Trichoderma harzianum SNRS3 for biobutanol production

Pretreatment *Cellulose (%) *Hemicelluloses (%) *Lignin (%) *Ash (%)
Untreated 39.74 ± 3.69 26.03 ± 0.30 9.22 ± 3.01 12.48 ± 0.38
2% (w/v) NaOH 70.9 ± 0.81 17.63 ± 3.07 3.78 ± 0.95 1.55 ± 0.05
  1. *Results are based on the mass of dry matter.