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Table 3 Cellulose- and lignin-related properties of native and pretreated biomass

From: Understanding the structural and chemical changes of plant biomass following steam explosion pretreatment

Substrate Pretreatment severity (CSF) LOI HBI CLL
A 1423/A 897 A 3400/A 1323 A 1508/A 1600
Miscanthus × giganteus Untreated 0.74 ± 0.03 15.5 ± 0.7 1.64 ± 0.03
2.0 0.79 ± 0.01 16.7 ± 0.3 2.01 ± 0.02
2.6 0.94 ± 0.03 18.0 ± 0.3 2.51 ± 0.08
2.7 0.89 ± 0.03 18.6 ± 0.3 2.48 ± 0.07
2.8 0.94 ± 0.04 18.6 ± 0.7 2.38 ± 0.09
Poplar Untreated 1.77 ± 0.04 11.9 ± 0.1 1.32 ± 0.04
2.0 1.43 ± 0.04 10.7 ± 0.2 1.28 ± 0.01
2.6 1.44 ± 0.02 11.1 ± 0.3 1.38 ± 0.03
2.8 1.44 ± 0.06 11.1 ± 0.4 1.35 ± 0.01
Wheat straw Untreated 0.78 ± 0.03 20.9 ± 0.7 0.91 ± 0.03
2.0 0.80 ± 0.03 25.5 ± 0.6 2.35 ± 0.52
2.6 0.83 ± 0.03 23.7 ± 0.4 2.94 ± 0.23
2.7 0.87 ± 0.02 24.6 ± 0.4 2.23 ± 0.19
2.8 0.90 ± 0.01 23.5 ± 0.6 2.28 ± 0.09
  1. LOI lateral order index, HBI hydrogen bond intensity, CLL cross-linked lignin
  2. All the values are expressed as mean ± SD of triplicate