Enzymatic Saccharification of Lignocellulosic Residues by Cellulases Obtained from Solid State Fermentation Using Trichoderma viride

Table 2

Enzymatic activity (U/mL) of the commercial cellulase under the conditions of pH and temperature tested in the Full Factorial Design with three central points.

Experiment	(°C)	pH	Substrate
			Filter paper	Eucalyptus sawdust	Corncob
1	40	4.4	12.807^bc	3.276^d	26.87^b
2	40	5.2	13.563^cd	3.272^d	25.308^b
3	60	4.4	8.805^a	1.369^b	10.423^a
4	60	5.2	11.315^b	1.181^a	16.099^a
5	50	4.8	15.771^e	3.692^e	25.456^b
6	50	4.8	15.419^de	2.914^c	26.281^b
7	50	4.8	15.528^de	3.121^d	24.310^b

In the same column, different letters mean statistical difference at 5% of significance.