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Table 2 Composition of dried oil palm trunk (OPT)

From: Efficient ethanol production from dried oil palm trunk treated by hydrothermolysis and subsequent enzymatic hydrolysis

Component

Composition (g)a

Cellulose as glucose

26.6 ± 0.2

Hemicellulosic sugars

17.8 ± 0.1

 Xylose + galactose + mannose (XGM)

15.4 ± 0.1

 Arabinose

2.4 ± 0.1

Acetyl group

3.4 ± 0.0

Acid-insoluble lignin

18.7 ± 0.2

Acid-soluble lignin

0.2 ± 0.0

Hot-water extractivesb

34.0 ± 0.0

Starch as glucose

26.9 ± 0.1

Ash

5.2 ± 0.1

  1. aAverage result of triplicate run on 100 g dry biomass basis
  2. bHot-water extractives containing the starch