Visualization of Miscanthus × giganteus cell wall deconstruction subjected to dilute acid pretreatment for enhanced enzymatic digestibility

Table 1 Effect of dilute acid pretreatment on chemical compositions of M. × giganteus internode fragments

Samples	Sugar monomers (%)					Total sugar monomers (%)	Phenolics (%)
Samples	Arabinose	Galactose	Glucose	Xylose	Mannose	Total sugar monomers (%)	Klason lignin	PCA	FA
Untreated	2.59	0.48	40.85	21.28	0.58	65.78	19.27	3.72	2.89
150°C, 1%, 15 min	1.16	0.39	42.45	17.28	0.46	61.74	21.40	3.56	2.64
150°C, 1%, 30 min	0.93	0.36	45.03	13.71	0.24	60.27	22.53	3.35	2.42
160°C, 0.5%, 15 min	0.79	0.43	46.39	13.29	0.57	61.47	21.71	3.05	2.19
160°C, 1%, 15 min	0.58	ND	49.34	9.28	0.46	59.66	23.40	2.96	1.99
170°C, 0.5%, 15 min	0.41	0.51	50.38	9.16	ND	60.46	23.92	2.53	2.31
170°C, 1%, 30 min	0.25	ND	53.39	5.63	0.15	59.42	25.77	1.89	2.03

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