Production of Proteolytic Enzymes by a Keratin-Degrading <i>Aspergillus niger</i>

<table>(a) Production of proteolytic activity and (b) production of keratinolytic activity by <i>A. niger</i> growing on different keratinous substrates (10 g/L). (■) Bovine horn, (∆) chicken feathers, (▲) feather meal, (<i>◆</i>) human hair, and (●) pig hair.</table>

Enzyme Research

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Figure 2

Figure 2: Production of Proteolytic Enzymes by a Keratin-Degrading <i>Aspergillus niger</i> 

Enzyme Research

Production of Proteolytic Enzymes by a Keratin-Degrading Aspergillus niger

Figure 2