Research Article
Production of Proteolytic Enzymes by a Keratin-Degrading Aspergillus niger
Table 1
Characterization of proteolytic and keratinolytic activity using protease inhibitors.
| | | Residual activity (%) | Inhibitor | Concentration | Proteolytic | Keratinolytic |
| None | — | 100 | 100 | EDTA | 5 mM | 83 | 176 | PMSF | 5 mM | 99 | 58 | 1,10-phenantroline | 1 mM | 107 | 145 | Pepstatin | 5 μM | 18 | 100 | Iodoacetamide | 100 μM | 89 | 92 |
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