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Table 1 Chemical compositions of poplar after pretreated with 40%–100% HPAA (v/v) at 60 °C for 2 h, expressed as percentage of dry matter

From: Alkaline post-incubation improves the saccharification of poplar after hydrogen peroxide–acetic acid pretreatment

Pretreatment label Glucan (%) Xylan (%) Lignin (%) Acetyl (%) Solid recovery (%) Removal
Glucan (%) Xylan (%) Lignin (%)
Raw 43.4 ± 0.0 17.4 ± 0.2 27.9 ± 0.3 3.7 ± 0.2
HPAA40 47.4 ± 0.1 15.7 ± 0.3 26.5 ± 0.4 5.1 ± 0.3 90.2 1.3 18.7 14.3
HPAA60 55.0 ± 0.2 18.1 ± 0.1 19.8 ± 0.2 5.8 ± 0.3 72.4 8.3 24.4 48.6
HPAA80 63.7 ± 0.7 20.0 ± 0.3 7.7 ± 0.0 5.5 ± 0.7 62.7 7.9 27.7 82.8
HPAA100 70.8 ± 0.6 19.5 ± 0.2 4.5 ± 0.5 5.9 ± 0.7 55.1 10.1 38.1 91.2