chemical properties light yellow or white lyophilized powder, soluble in water and dilute buffer solution, insoluble in ethanol, pi4.77, optimum ph 4.0-5.0. stability: the optimum temperature is 50-55°c, the temperature is higher than 85°c; the micro-alkali is inactivated, and the ph is less than 1.7; the iodine turns blue.
uses used in biochemical research, clinically used as digestive enzymes for loss of appetite, indigestion, and gastric mucositis.
uses suitable for starch, sugar, alcohol, beer, monosodium glutamate, liquefaction in textile industry, textile, dyeing and desizing, etc.