Fig. 6From: Production, partial optimization and characterization of keratinase enzyme by Arthrobacter sp. NFH5 isolated from soil samplesEffect of pH on keratinase activity. Enzymatic reaction was carried out at different pH ranging from (5 to 10) for 10 min at 40 °C in a shaking water bath and results are presented on graph. Data represent the means of triplicateBack to article page