Table 1.

Chemical compositions (w/w, %) of the substrates obtained from the four one-step processes

Sample	Glucan	Xylan	KLa	ASLb
Control	42.8	24.4	20.1	1.0
HRc	60.1	10.1	25.5	0.7
AR	63.7	19.7	9.7	0.5
AHR	57.6	14.5	18.9	0.4
HAR	78.6	7.8	5.4	0.7

^aKL Klason lignin (i.e. acid insoluble lignin)

^bASL acid soluble lignin

^cHR the residue obtained from hydrothermal treatment alone

AR the residue obtained from alkaline treatment alone

AHR the residue obtained from one-step process based on successively alkaline and hydrothermal treatment

HAR the residue obtained from one-step process based on successively hydrothermal and alkaline treatment