Optimization for the Production of Cellulase Enzyme from Municipal Solid Waste Residue by Two Novel Cellulolytic Fungi

Table 4

Effect of nitrogen sources (%) on cellulase production (U/mL) by Trichoderma sp.

Conc. (%)			0.5	1.0	1.5	2.0	2.5	3.0
Different nitrogen sources	Peptone	1	0.31 ± 0.04	2.21 ± 0.08	1.89 ± 0.07	1.52 ± 0.07	0.91 ± 0.06	0.53 ± 0.04
		2	0.32 ± 0.05	1.93 ± 0.07	1.62 ± 0.06	0.84 ± 0.06	0.63 ± 0.05	0.48 ± 0.04
		3	0.37 ± 0.03	1.94 ± 0.06	1.71 ± 0.07	0.91 ± 0.06	0.46 ± 0.05	0.39 ± 0.05
	Yeast extract	1	0.39 ± 0.04	2.40 ± 0.08	1.78 ± 0.07	0.92 ± 0.06	0.58 ± 0.06	0.43 ± 0.04
		2	0.31 ± 0.03	2.28 ± 0.07	1.87 ± 0.07	0.92 ± 0.05	0.62 ± 0.05	0.43 ± 0.03
		3	0.27 ± 0.04	1.99 ± 0.07	1.72 ± 0.07	1.41 ± 0.06	0.75 ± 0.05	0.55 ± 0.04
	Beef extract	1	0.41 ± 0.05	1.93 ± 0.07	1.69 ± 0.07	1.21 ± 0.06	0.93 ± 0.05	0.51 ± 0.04
		2	0.32 ± 0.05	1.79 ± 0.07	1.62 ± 0.06	0.93 ± 0.06	0.60 ± 0.05	0.42 ± 0.05
		3	0.22 ± 0.04	1.95 ± 0.05	1.71 ± 0.05	0.96 ± 0.04	0.61 ± 0.04	0.33 ± 0.03
	Ammonium nitrate	1	0.24 ± 0.04	1.73 ± 0.06	1.47 ± 0.06	0.89 ± 0.05	0.64 ± 0.04	0.30 ± 0.04
		2	0.19 ± 0.03	1.64 ± 0.06	1.23 ± 0.06	0.82 ± 0.05	0.67 ± 0.05	0.31 ± 0.04
		3	0.15 ± 0.03	1.69 ± 0.06	1.44 ± 0.06	0.88 ± 0.04	0.63 ± 0.04	0.28 ± 0.03
	Sodium nitrate	1	0.31 ± 0.03	1.76 ± 0.07	1.53 ± 0.06	0.99 ± 0.06	0.65 ± 0.04	0.41 ± 0.04
		2	0.22 ± 0.03	1.56 ± 0.05	1.44 ± 0.05	0.84 ± 0.04	0.67 ± 0.04	0.51 ± 0.03
		3	0.11 ± 0.03	1.74 ± 0.05	1.11 ± 0.05	0.68 ± 0.05	0.54 ± 0.04	0.31 ± 0.03

1-FPase, 2-CMCase & 3-β-glucosidase.