Review Article
Bioconversion of Keratin Wastes Using Keratinolytic Microorganisms to Generate Value-Added Products
Figure 13
Stain (egg yolk) removal efficiency of commercial detergent (upper pictures) and crude keratinase produced by Vibrio sp. strain R11 (lower pictures): (a) nontreated stained cotton fabric, (b) stained cotton fabric treated with 11.6 Uml−1 enzyme or 7 mg/ml commercial detergent, 30 min incubation at 37°C [62].