Fig. 4From: Purification and biochemical characterization of a novel thermostable protease from the oyster mushroom Pleurotus sajor-caju strain CTM10057 with industrial interesta Effect of polyols on protease SPPS stability. b The combined effect of Ca2+ and sorbitol 10% (v/v) on protease SPPS stability at 90 °C. c Hydrolysis curves of casein protein treated with various purified enzymes. The purified proteases used were: SPPS (♦), SPTC (■), Flavourzyme® 500 L (●), and Thermolysin type X (▲)Back to article page