Table 2.

Effect of pretreatment on the lignocellulosic fraction of GL [13].

Pretreatment Conditions		Reduction (%)
		Lignin	Cellulose	Hemicellulose
Thermal	80 °C	0.0 ± 0.0	0.0 ± 0.0	1.7 ± 0.2
	120 °C	0.0 ± 0.0	0.9 ± 0.1	0.8 ± 0.1
H2SO4	2 g/100 g TS	0.0 ± 0.0	0.8 ± 0.0	4.7 ± 0.4
	10 g/100 g TS	0.0 ± 0.0	1.1 ± 0.2	54.1 ± 0.8
	20 g/100 g TS	0.0 ± 0.0	3.4 ± 0.4	77.9 ± 1.4
H3PO4	2 g/100 g TS	0.0 ± 0.0	3.5 ± 0.4	7.3 ± 0.3
	10 g/100 g TS	0.0 ± 0.0	4.5 ± 0.2	14.6 ± 0.5
	20 g/100 g TS	0.0 ± 0.0	5.1 ± 0.7	33.8 ± 1.4
HCl	2 g/100 g TS	3.3 ± 0.3	0.0 ± 0.0	9.2 ± 0.5
	10 g/100 g TS	6.6 ± 0.4	0.0 ± 0.0	84.4 ± 1.2
	20 g/100 g TS	6.8 ± 0.5	0.1 ± 0.0	93.4 ± 2.4
NaOH	2 g/100 g TS	16.7 ± 1.5	7.1 ± 0.4	10.3 ± 1.5
	10 g/100 g TS	61.7 ± 1.2	6.8 ± 0.2	23.5 ± 0.3
	20 g/100 g TS	94.5 ± 1.4	5.4 ± 0.8	31.8 ± 0.5