Fig. 2From: The keratinolytic bacteria Bacillus cytotoxicus as a source of novel proteases and feather protein hydrolysates with antioxidant activitiesEffect of pH on the activity of proteolytic extracts obtained with Bacillus cytotoxicus LT-1 and Bacillus cytotoxicus Oll-15. Each determination was performed in triplicates, and values represent mean ± SDBack to article page