Table 1.

Chemical composition of both wheat straws.

Composition analysis, wt.%
Pretreatment	Time of treatment (min)	Glucan	Xylan	Arabinan	Lignin		Total lignin	delignification	Ash	Recovered solid
					ASL	AIL
Untreated		35.7 ± 0.3	26.1 ± 0.3	3.5 ± 0.1	7.2 ± 0.2	11.6 ± 0.4	18.8 ± 0.6	–	6.1 ± 0.2	100
IL-US Pretreated at RT	15	39.4 ± 0.4 p = 0.001	23.6 ± 0.2	3.2 ± 0.1	5.5 ± 0.2	5.8 ± 0.3	11.3 ± 0.5	39.7	7.2 ± 0.4	80.2
	30	39.7 ± 0.3 p = 0.001	22.4 ± 0.2	2.8 ± 0.1	5.5 ± 0.1	5.7 ± 0.4	11.2 ± 0.5	40.3	7.5 ± 0.3	79.9
IL-US Pretreated at 130 °C	15	45.7 ± 0.4 p = 0.0001	15.7 ± 0.1	-	3.7 ± 0.1	2.4 ± 0.2	6.0 ± 0.4	67.8	10.2 ± 0.5	56.0
	30	53.9 ± 0.4 p = 0.0001	14.2 ± 0.1	-	3.8 ± 0.1	0.9 ± 0.1	4.7 ± 0.1	74.9	11.3 ± 0.8	45.2

ASL: Acid soluble lignin.

AIL: Acid insoluble lignin.