1. Light yellow oil

2. Odorless and no foreign matter

3. Stable than vitamin D2

4. insoluble in water, soluble in ethyl alcohol, chloroform and fatty acid Scope of application: for health food capsule, added in vegetable butter and butter food; also used in medicines and feed

1. For prevention and treatment of vitamin D deficiency disease;

2. To promote absorption of calcium and phosphorus;

3. To promote skeleton calcification and growth;

4. Increase absorption of phosphorus through intestinal wall and kidney tubules;

5. Maintain normal level of citrate in blood;

6. Storage condition: sealed preservation in dry and dark place