Fig. 3From: Functional relationship of furfural yields and the hemicellulose-derived sugars in the hydrolysates from corncob by microwave-assisted hydrothermal pretreatmentFT-IR spectra of the ethanol-precipitated hemicelluloses from hydrolysates: (a) hydrolysis at 120 °C for 90 min, (b) hydrolysis at 120 °C for 120 min, (c) hydrolysis at 140 °C for 30 min, (d) hydrolysis at 140 °C for 60 min, (e) hydrolysis at 140 °C for 90 min, (f) hydrolysis at 140 °C for 120 min, (g) hydrolysis at 160 °C for 0 min, (h) hydrolysis at 160 °C for 30 min, (i) hydrolysis at 180 °C for 0 min, (j) hydrolysis at 180 °C for 5 min, (k) hydrolysis at 180 °C for 10 minBack to article page