. 2019 Sep 17;12:222. doi: 10.1186/s13068-019-1568-7

Table 3.

Effects of presoaked WWS and raw WWS on autohydrolysis

Sample	Soaking reagent	Concentration (mmol/L)	Composition (%)				Recovery (%)		Removal (%)
Sample	Soaking reagent	Concentration (mmol/L)	Glucan	Xylan	Lignin	Acetyl	Solid	Glucan	Xylan	Lignin
Raw WWS	No soaking	–	43.7 ± 0.2	8.4 ± 0.6	24.5 ± 0.1	0.7 ± 0.1	60.9 ± 0.4	94.3 ± 0.5	61.7 ± 0.2	16.5 ± 0.2
	H₂O	–	48.9 ± 0.3	7.6 ± 0.1	24.4 ± 0.2	0.4 ± 0.0	59.4 ± 0.3	96.7 ± 1.7	66.8 ± 0.2	19.8 ± 0.3
	H⁺	30	48.2 ± 0.5	7.6 ± 0.2	24.2 ± 0.4	0.3 ± 0.1	56.1 ± 0.6	95.8 ± 1.4	69.3 ± 0.6	21.6 ± 0.3
	K⁺	30	46.7 ± 0.3	7.3 ± 0.5	24.0 ± 0.2	0.4 ± 0.1	57.2 ± 1.1	94.7 ± 0.6	68.5 ± 0.5	20.1 ± 0.5
	Na⁺	30	49.1 ± 0.4	8.9 ± 0.2	24.3 ± 0.6	0.4 ± 0.2	56.8 ± 0.5	98.7 ± 1.1	62.2 ± 0.3	22.7 ± 0.2
	Ca²⁺	30	48.1 ± 0.2	7.8 ± 0.6	22.5 ± 0.1	0.4 ± 0.0	57.4 ± 0.8	97.7 ± 1.4	66.6 ± 0.3	21.6 ± 0.1
	Mg²⁺	30	46.5 ± 0.3	7.1 ± 0.7	25.5 ± 0.2	0.3 ± 0.1	58.3 ± 0.3	96.2 ± 0.7	69.1 ± 0.1	23.4 ± 0.4
	Zn²⁺	30	50.5 ± 0.3	5.4 ± 0.5	26.5 ± 0.1	0.2 ± 0.1	50.3 ± 0.9	90.1 ± 1.3	79.7 ± 0.2	25.3 ± 0.6
	Fe²⁺	30	53.4 ± 0.6	4.8 ± 0.3	27.1 ± 0.3	0.2 ± 0.0	49.4 ± 0.4	94.2 ± 0.4	81.9 ± 0.4	27.6 ± 0.3
	Fe²⁺	10	54.7 ± 0.7	4.3 ± 0.1	25.4 ± 0.2	0.3 ± 0.0	49.4 ± 0.6	93.2 ± 0.8	80.2 ± 0.5	24.9 ± 0.1
		20	53.7 ± 0.2	4.4 ± 0.5	26.5 ± 0.3	0.2 ± 0.1	50.9 ± 0.4	96.8 ± 1.1	81.5 ± 0.2	26.3 ± 0.4
		30	53.6 ± 0.1	4.9 ± 0.5	27.2 ± 0.1	0.2 ± 0.1	49.7 ± 0.7	94.9 ± 0.9	82.7 ± 0.4	27.4 ± 0.5
		60	54.1 ± 0.5	4.7 ± 0.2	26.4 ± 0.6	0.1 ± 0.2	47.4 ± 0.4	93.9 ± 1.5	83.1 ± 0.8	29.8 ± 0.3
		120	54.0 ± 0.4	4.6 ± 0.4	27.1 ± 0.4	0.0 ± 0.0	45.9 ± 0.3	87.8 ± 2.2	84.7 ± 0.7	30.2 ± 0.3