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Acid Protease is made from Aspergillus Usamii No.537 through cultivation and extraction technique.
This product can catalyze the hydrolysis of protein under acid condition (pH 2.5-4.0) . It is mainly used in the industry of alcohol fermentation, leather softening, wool dyeing, juice purification and feed additives etc.
Appearance : Powder
Colour : Snuff color
Odour: Normal fermentation odour
pH: 2.5-5.5, optimum 3.0-3.5
Activity Temperature : 30-500, favorable 40-450
Enzymatic Activity: >=60,000 u/g; >=150,000 u/g
Calcium ion consistency: Calcium ion can protect the product