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Table 1 Chemical composition/cellulose accessibility of ethanol-pretreated biomass

From: New strategy to elucidate the positive effects of extractable lignin on enzymatic hydrolysis by quartz crystal microbalance with dissipation

Biomass

Extractives (%)

AILa (%)

Glucan (%)

Hemicellulose (%)

Γmax/DR28b (mg/g)

Raw material

1.34 ± 0.11

28.22 ± 0.20

42.59 ± 0.98

22.70 ± 0.42

82.10

EP25

8.04 ± 0.60

26.41 ± 0.24

62.13 ± 0.75

6.93 ± 0.11

348.15

EP25-EW

0.94 ± 0.40

27.57 ± 0.74

65.67 ± 0.81

7.33 ± 0.03

368.52

EP50

7.70 ± 0.12

20.14 ± 2.53

66.56 ± 0.06

9.19 ± 0.04

382.84

EP50-EW

0.77 ± 0.04

18.94 ± 0.45

71.92 ± 0.26

9.67 ± 0.06

406.69

  1. aAIL refers to the acid-insoluble lignin
  2. bΓmax/DR28 refers to the maximum adsorption capacity of direct red dye (DR28) on pretreated materials, interpreted as cellulose accessibility