Research Article
Optimization for the Production of Cellulase Enzyme from Municipal Solid Waste Residue by Two Novel Cellulolytic Fungi
Table 2
Effect of nitrogen sources (%) on cellulase production (U/mL) by A. niger.
| Conc. | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 |
| Different nitrogen sources | Peptone | 1 | 0.19 ± 0.02 | 1.78 ± 0.06 | 1.27 ± 0.04 | 0.87 ± 0.04 | 0.61 ± 0.03 | 0.41 ± 0.02 | 2 | 0.06 ± 0.02 | 1.44 ± 0.05 | 1.08 ± 0.04 | 0.62 ± 0.04 | 0.43 ± 0.03 | 0.38 ± 0.03 | 3 | 0.27 ± 0.02 | 1.97 ± 0.05 | 1.61 ± 0.05 | 0.97 ± 0.04 | 0.51 ± 0.03 | 0.43 ± 0.05 | Yeast extract | 1 | 0.16 ± 0.02 | 1.71 ± 0.07 | 1.43 ± 0.05 | 0.95 ± 0.04 | 0.69 ± 0.02 | 0.53 ± 0.03 | 2 | 0.09 ± 0.02 | 1.68 ± 0.03 | 1.34 ± 0.04 | 0.72 ± 0.04 | 0.56 ± 0.07 | 0.33 ± 0.05 | 3 | 0.31 ± 0.02 | 1.89 ± 0.05 | 1.43 ± 0.04 | 1.05 ± 0.04 | 0.73 ± 0.02 | 0.51 ± 0.04 | Beef extract | 1 | 0.64 ± 0.02 | 1.78 ± 0.05 | 1.27 ± 0.04 | 0.87 ± 0.04 | 0.61 ± 0.03 | 0.41 ± 0.05 | 2 | 0.16 ± 0.02 | 1.54 ± 0.07 | 1.08 ± 0.04 | 0.62 ± 0.05 | 0.43 ± 0.03 | 0.38 ± 0.02 | 3 | 0.27 ± 0.02 | 1.97 ± 0.03 | 1.61 ± 0.04 | 0.97 ± 0.04 | 0.51 ± 0.07 | 0.43 ± 0.05 | Ammonium nitrate | 1 | 0.09 ± 0.02 | 1.02 ± 0.04 | 0.83 ± 0.03 | 0.43 ± 0.04 | 0.37 ± 0.02 | 0.20 ± 0.02 | 2 | 0.08 ± 0.02 | 0.97 ± 0.03 | 0.73 ± 0.04 | 0.54 ± 0.04 | 0.29 ± 0.07 | 0.11 ± 0.05 | 3 | 0.18 ± 0.02 | 0.99 ± 0.03 | 0.84 ± 0.04 | 0.63 ± 0.04 | 0.41 ± 0.07 | 0.32 ± 0.05 | Sodium nitrate | 1 | 0.12 ± 0.02 | 1.62 ± 0.05 | 1.03 ± 0.04 | 0.89 ± 0.04 | 0.55 ± 0.02 | 0.47 ± 0.05 | 2 | 0.10 ± 0.02 | 1.39 ± 0.06 | 1.01 ± 0.04 | 0.72 ± 0.04 | 0.44 ± 0.03 | 0.21 ± 0.02 | 3 | 0.41 ± 0.02 | 1.84 ± 0.05 | 1.21 ± 0.04 | 0.79 ± 0.05 | 0.61 ± 0.04 | 0.33 ± 0.02 |
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1-FPase, 2-CMCase & 3-β-glucosidase.
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