Description

INTRODUCTION Acid Protease is made from Aspergillus niger through cultivation and extraction technique. This product can catalyze the hydrolysis of protein under acid condition (pH 2.**4.0). It is mainly used in the industry of alcohol fermentation, leather softening, wool dyeing, juice purification and feed additives etc. SPECIFICATIONS/ PHYSICAL AND CHEMICAL PROPERTIES Appearance: Powder Colour: Snuff color Odour: Normal fermentation odour pH: 2.**5.5, optimum 3.**3.5 Activity Temperature : ****0 DEG C, favorable ****5 DEG C Enzymatic Activity: ≥*0, **0 u/g Calcium ion consistency: Calcium ion can protect the product DEFINITION OF UNIT 1 unit of Acid Protease equals to the amount of enzyme, which hydrolyzes casein to get 1 Î&frac*4;g of tyrosine in 1 min. at *0 DEG C and pH3.0. PACKAGING *5kgs/bag (drum) STORAGE Should be stored in a dry and cool place, avoiding high temperature and damp. SHELF LIFE *5 DEG C, 6 months, enzymatic activity remains ≥*0%. Increase dosage after shelf life.