Acid protease is derived from the fermentation and refinement of Aspergilllus niger. This product is able to hydrolyze protein into low molecular peptide and amino acid under the low pH condition. Applications It is widely used in brewery and manufacture of alcohol, food processing, feed additives, leather processing, etc. Package We can offer products in specific standards as required by customers. Storage Store in cool dry place and avoid direct to sunlight .Under this condition, loss of enzyme activity will be less than 3% in six months. It can be longly preserved at temperature of 5 .