Phytase is made from the strain of Pichia pastoris through cultivation and extraction technique. It can degrade phytic acid into inositol or phosphoinositide and phosphoric acid. This products can eliminate the simple stomach animals anti-nutrient action due to non-decompose of phytic acid so as to improve the utility of nutrition. At the same time, to reduce the environmental pollution caused by using of phosphorus. SPECIFICATIONS/ PHYSICAL AND CHEMICAL PROPERTIES: Appearance: Granular Colour: White, Yellow or Yellowish Odour: Normal microbian fermentation odor Enzymatic Activity: ≥20,000u/g Loss on Drying: ≤8%