Table 2.

Chemical composition of wheat straw on dry solid basis

Composition	Dry solid (%, w/w)	Ammonia pretreatment
Glucan	37.23 ± 0.24	37.23 ± 0.24
Xylan	21.9 ± 0.12	21.9 ± 0.12
Arabinan	3.43 ± 0.98	3.43 ± 0.98
Galactan	1.60 ± 0.07	1.60 ± 0.07
Lignina	12.0 ± 0.30	9.6 ± 0.05
Extractive	11.1 ± 0.20	11.1 ± 0.20

^a Lignin (%) = acid soluble (%) + acid insoluble (%).

Values are means of three replicates ± S.E.M.