Alkaline protease Alkaline protease is made from bacillus licheniformis 2709 through cultivation and extraction technique. This product can catalyze the hydrolysis of protein under alkaline condition (ph 9-12). It is mainly used in the industry of detergent, leather depilation, silk degumming and protein hydrolysis etc. Appearance: powder Colour: snuff color Odour: normal fermentation odour Ph: stable 9-12, optimum 9-10.5 Enzymatic activity: 800, 000u/g; 1, 000, 000u/g Activity temperature: 40-45 celsius degree Calcium ion consistency : calcium / manganese ion can protect and active this product; copper / mercury ion can suppress this product. 25kgs/bag (drum)