Description Neutral protease is a derived from a controlled fermentation of a strain of Bacillus Subtilis AS1,398 trough fermentation and extraction technique . This product is able to hydrolyze protein into low molecular peptide and amino acid. Activity 50,000-400,000u/g Appearance Light yellow powder Brown liquid PH Effective pH range 6 to 9 Optimum pH range 7to 8 Temperature Effective temperature range 10°C 50°C Optimum temperature range30°C 40°C Certification ISO9001:2000 Standard GB/T 23527-2009 One unit activity is equal to 1u/g tyrosine,which produced by hydrolyzing caseins in 1g enzyme powder (or 1ml liquid enzyme) at 40°C PH 7.5 per minute Applications: It is maily used in brewing, food additives ,industry of leather softening and depilation Storage: Store in cool and dry place .Avoid direct to sunlight .Under this condition, loss of enzyme activity in every three months will be less than 3%.