Fig. 7From: Enzyme-catalyzed biodegradation of penicillin fermentation residues by β-lactamase OtLac from Ochrobactrum triticiBiodegradation of industrial penicillin G fermentation residues by OtLac. A The relationship between penicillin concentration and extract times with ultrasonic. B Time course of industrial penicillin fermentation residue biodegradation by varies concentration of OtLac (0.25 mg/mL, 0.5 mg/mL, 1 mg/mL)Back to article page