Table 3.
Production of cellulase by A. niger using acid-treated agricultural residues
| S/no. | Substrate (acid treated) | CMCase (U/g) | FPase (U/g) | β-glucosidase (U/g) |
|---|---|---|---|---|
| 1 | Finger millet hulls | 0.80 ± 0.20a,b | 0.90 ± 0.02a,b | 0.31 ± 0.05a,b |
| 2 | Sorghum hulls | 0.96 ± 0.04b | 0.99 ± 0.07b | 0.46 ± 0.01a |
| 3 | Banana peels | 0.50 ± 0.03a,c | 0.71 ± 0.01a | 1.01 ± 0.08c |
| 4 | Corn stalk | 1.08 ± 0.10b | 0.83 ± 0.05a,b | 1.09 ± 0.10c,d |
| 5 | Cassava peels | 2.30 ± 0.30d | 1.70 ± 0.13c,d | 1.27 ± 0.11d |
| 6 | Saw dust | 1.10 ± 0.20b | 0.98 ± 0.02b | 0.72 ± 0.05e |
| 7 | Sheanut cake | 0.31 ± 0.01c | 0.25 ± 0.12e | 0.13 ± 0.01b |
| 8 | Rice straw | 3.20 ± 0.06e | 2.10 ± 0.08g | 2.00 ± 0.14f |
| 9 | Soybean hulls | 3.12 ± 0.14e | 2.05 ± 0.07f,g | 1.99 ± 0.01f |
| 10 | Sugarcane bagasse | 3.00 ± 0.10e | 1.85 ± 0.05d,f | 1.92 ± 0.03f |
| 11 | Groundnut husk | 2.87 ± 0.26e | 1.61 ± 0.14c | 1.96 ± 0.11f |
Values are means ± standard deviations. Data with the same superscript letter were not significantly different (p < 0.05; Tukey test)