Vitamin D2 is absorped by the intestinal, the absorption of bile salts and need special α-binding globulin after transported to other parts of the body, stored in the liver and fat. Metabolism, activation through the liver first, followed by the kidneys.
Specification
Items | Standard |
Appearance | White crystalline powder |
Assay,%(By HPLC) 40 MIU/G | 97.0%~103.0% |
Differentiate | Positive reaction |
Partical size | More than 95% through 3# mesh screen |
Loss on drying | ≤13% |
Arsenic | ≤0.0001% |
Heavy metal | ≤0.002% |
Content | 90.0%-110.0% of label C28H44O content |
Melting range | 112.0~117.0℃ |
Specific optical rotation | +103.0~+107.0° |
Light absorption | 450~500 |
Solubility | Freely soluble in alcohol |
Reducing substances | ≤20PPM |
Ergosterol | Compiles |
Function
1) Vitamin D2 is used to prevent vitamin D deficiency and treatment, such as: vegan, parenteral nutrition patients with pancreatic insufficiency malabsorption syndromes, liver and gallbladder disease (liver damage, cirrhosis, obstructive jaundice), intestinal disease (fatty diarrhea, Crohn's disease, chronic diarrhea), stomach resection.
2) Vitamin D2 is used for the treatment of chronic hypocalcemia, hypophosphatemia, rickets associated with chronic renal insufficiency and osteomalacia, familial hypophosphatemia and hypoparathyroidism (surgery, idiopathic or pseudo-hypoparathyroidism)
3) Vitamin D2 is used to treat acute and chronic and post-operative tetany potential disease and idiopathic tetany disease.
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   Also, if the goods are not as per your specification, we will callback the container at our cost, or compensate you as per our agreement.
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