Table 2.
Production of cellulase by A. niger using different agricultural residues without pretreatment
| S/no. | Substrate (untreated) | CMCase (U/g) | FPase (U/g) | β-glucosidase (U/g) |
|---|---|---|---|---|
| 1 | Finger millet hulls | 0.31 ± 0.10a,b | 0.25 ± 0.10a,b | 0.14 ± 0.02a |
| 2 | Sorghum hulls | 0.45 ± 0.09a,b | 0.39 ± 0.09b,c | 0.21 ± 0.03a |
| 3 | Banana peels | 0.25 ± 0.08a | 0.31 ± 0.08a,b,c | 0.67 ± 0.05c |
| 4 | Corn stalk | 0.71 ± 0.10a,b | 0.44 ± 0.04c | 0.79 ± 0.09d,e |
| 5 | Cassava peels | 1.30 ± 0.08c,d,e | 0.78 ± 0.07d | 0.59 ± 0.04c |
| 6 | Saw dust | 0.72 ± 0.10b | 0.47 ± 0.02c | 0.40 ± 0.03b |
| 7 | Sheanut cake | 0.09 ± 0.01a,b | 0.19 ± 0.02a | 0.09 ± 0.01a |
| 8 | Rice straw | 1.76 ± 0.08e | 1.22 ± 0.03f | 0.91 ± 0.04e |
| 9 | Soybean hulls | 1.29 ± 0.14c,d | 0.99 ± 0.04e | 0.81 ± 0.01e |
| 10 | Sugarcane bagasse | 1.66 ± 0.19d,e | 1.01 ± 0.07e | 0.84 ± 0.01e |
| 11 | Groundnut husk | 1.19 ± 0.06c | 0.98 ± 0.01e | 0.84 ± 0.08e |
Values are means ± standard deviations. Data with the same superscript letter were not significantly different (p < 0.05; Tukey test)