Fig. 5From: Lignin degradation in corn stalk by combined method of H2O2 hydrolysis and Aspergillus oryzae CGMCC5992 liquid-state fermentationSEM images for CS in different stages. a Raw material (×2000); b after fermentation (×2000); c pretreated CS (×1000); d residue after cellulase hydrolysis (×1000)Back to article page