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Table 1 Chemical composition of the untreated bagasse sample and samples that underwent acid and alkali pretreatments

From: Mapping the lignin distribution in pretreated sugarcane bagasse by confocal and fluorescence lifetime imaging microscopy

Bagasse samples Bagasse composition (%)
  Cellulose Hemicellulose Lignin Total
Untreated 44.5 ± 1.1 31.0 ± 0.8 28.2 ± 0.1 103.7 ± 3.5
H2SO4 1% 58.3 ± 0.2 8.9 ± 0.8 33.6 ± 0.7 100.8 ± 1.7
NaOH 0.25% 68.3 ± 0.5 5.4 ± 0.1 26.0 ± 0.3 99.7 ± 0.9
NaOH 0.5% 71.3 ± 1.4 3.5 ± 0.2 24.0 ± 6.9 98.7 ± 0.4
NaOH 1% 83.2 ± 0.6 3.2 ± 0.1 11.2 ± 0.9 97.6 ± 1.2
NaOH 2% 85.9 ± 0.3 3.4 ± 0.1 9.6 ± 0.5 98.8 ± 1.1
NaOH 3% 87.2 ± 0.1 3.2 ± 0.1 9.7 ± 0.5 100.1 ± 0.4
NaOH 4% 84.9 ± 3.9 3.3 ± 0.1 9.4 ± 0.4 97.6 ± 4.7
  1. Contents are expressed on a bagasse dry weight basis as an average (± standard deviation) of duplicate determinations. Percentages were calculated by discounting the ash amounts on each sample.