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Table 2 Chemical composition of untreated and ethanol organosolv-pretreated loblolly pine

From: Effect of residual extractable lignin on acetone–butanol–ethanol production in SHF and SSF processes

 Untreated (%)Organosolv treated
OPLP-UW (%)OPLP-W (%)
Glucan42.30 ± 0.3872.74 ± 0.2082.14 ± 0.03
Xylan7.51 ± 0.052.17 ± 0.011.69 ± 0.08
Galactan2.96 ± 0.050.36 ± 0.030.40 ± 0.02
Arabinan1.78 ± 0.030.63 ± .020.69 ± 0.05
Mannan11.17 ± 0.081.36 ± 0.000.99 ± 0.02
Ethanol extractives1.18 ± 0.059.64 ± 0.120.79 ± 0.04
Acid insoluble lignin (AIL)29.45 ± 0.2712.11 ± 0.1513.52 ± 0.10
Acid-soluble lignin (ASL)0.56 ± 0.050.28 ± 0.000.35 ± 0.01
Ash0.36 ± 0.020.03 ± 0.000.04 ± 0.00
Total97.2799.31100.61