Table 3 Composition of pretreated spruce at 10% (w/w) WIS

Solid fraction

Glucose

51.9

Mannose

0.3

Xylose

0.2

Liquid fraction

Glucose

17.6

Mannose

11.6

Xylose

5.2

Galactose

2.4

Arabinose

1.6

Acetic acid^a

3.3

Formic acid^a

0.1

Levulinic acid^a

0.8

HMF^a

2.3

Furfural^a

1.4