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Table 1 Chemical compositions of corn stover untreated and pretreated with LHW of different severities (%)

From: Adsorption and mechanism of cellulase enzymes onto lignin isolated from corn stover pretreated with liquid hot water

Pretreatment severity Cellulose Lignin Removal of lignina Hemicellulose Removal of hemicellulosea
Soluble acid Insoluble acid Total
Control 33.28 ± 0.71 1.48 ± 0.04 15.09 ± 0.18 16.57 30.15 ± 0.71
S = 3.6 60.21 ± 0.87 1.00 ± 0.14 13.59 ± 0.08 14.59 52.35 1.31 ± 0.00 97.66
S = 3.9 59.72 ± 0.43 0.86 ± 0.03 13.91 ± 1.25 14.77 52.54 0.78 ± 0.04 98.62
S = 4.2 58.52 ± 0.34 0.67 ± 0.03 14.95 ± 0.69 15.62 50.24 1.6 ± 0.12 97.87
  1. Contents of all components were based on oven dry weight of the measured substrate
  2. aRemoval of lignin (or hemicelluloses) = (the content of lignin or hemicellulose in pretreated corn stover × solid yield (%))/the content of lignin or hemicellulose in untreated corn stover