Enzymatic hydrolysis
The SEM image of MG after being treated with cellulase shows a
thorough destruction of cellulose fibrils (not shown); the cellulose
crystalline structure can no longer be observed after enzymatic
hydrolysis. Compared to enzymatic hydrolysis of pretreated eucalyptus,
sorghum bagasse, and sugarcane bagasse, MG was better
hydrolyzed when treating with enzyme (Wang et al., 2012), as also
indicated by the SEM image showing cellulose fibrils destruction.
Cellulase liberates twice the amount of glucose in comparison to
the glucose released by acid hydrolysis alone (not shown), indicating
that the glucose concentration increases by twofold after enzymatic
hydrolysis using cellulase.