Vitamin D2
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Vitamin D2

Product name:Vitamin D2
CAS NO.: 50-14-6
Molecular formula: C28H44O
Molecular weight: 396.6484
Appearance: white crystalline powder
Storage condition: 2-8ºC

Vitamin D2 product description

Vitamin D2, chemically known as ergocalciferol, is a ring-opening steroid formed by chemical bond breaking of steroids under photochemical action, especially under the action of ultraviolet light and ergosterol. The ergocalciferol prepared in the early stage is also known as Viosterol. According to the diagnostic guidelines of the United States in 2011, ergocalciferol may be used as a dietary supplement to supplement vitamin D. ergocalciferol and cholecalciferol (vitamin D3) produced by skin under ultraviolet radiation are equally effective. There are many names for ergocalciferol. Vitamin D2 is absorbed by the small intestine, and its absorption requires bile salt and special α- After binding, globulin is transported to other parts of the body and stored in liver and fat. Metabolism and activation first pass through the liver, followed by the kidney. The starting time of action is 12-24 hours, and the treatment effect takes 10-14 days.

Vitamin D2 production method

1. Dissolve ergosterol in ethanol, open the ring under ultraviolet light, concentrate the reaction solution under reduced pressure, freeze and filter. The filtrate nitrogen is concentrated to dry under reduced pressure to obtain vitamin D2 crude oil, which is refined to obtain the finished product.

2. Vitamin D2 naturally exists in liver, milk and egg yolk. In industry, ergocalcitol, which cannot be absorbed by human body, is often extracted from vegetable oil or yeast, dissolved in chloroform or cyclohexane, and converted into vitamin D2 by ultraviolet radiation.

3. Ergosterol separated from beer yeast and lentinus edodes is dissolved in chloroform, ether or cyclohexane and other solvents, added into a flask made of quartz glass, and then irradiated by ultraviolet light.

Vitamin D2 function and application

1. Vitamin D2 helps us promote the growth of the body, calcification of bones, and healthy and complete teeth. Therefore, vitamin D2 can prevent and treat osteoporosis to a certain extent.

2. Vitamin D2 helps us effectively improve our body's absorption of calcium and phosphorus, so that our plasma calcium and phosphorus levels are at a relatively saturated level, so as to effectively ensure the health and stability of all functions in our body.