Figure 4

Time courses of reducing sugar yields (mg/g raw cornstalks) during enzymatic hydrolysis of raw cornstalks with commercial cellulase preparations (30 FPU/g) and water extract of cornstalks pretreated with Irpex lacteus for 14(▲), 28(▼) and 42(◀) days. The enzymatic hydrolysis without water extract was used as control (■).