Fig. 1

Larger increments of enzymatic activity of enzymatic extracts obtained from swine hair pretreated using the ultrasonic probe and without pretreatment subjected to the reaction systems ultrasonic probe, ultrasonic bath and microwave
Larger increments of enzymatic activity of enzymatic extracts obtained from swine hair pretreated using the ultrasonic probe and without pretreatment subjected to the reaction systems ultrasonic probe, ultrasonic bath and microwave