-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
-
Cosmetic Ingredient
- Water Treatment Chemical
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
Calcifediol, also known as vitamin D2, is a synthetic form of vitamin D that is used in the production of some dairy products and fortified foods.
The production process of calcifediol involves several steps, including the synthesis of ergosterol from xylitol, the conversion of ergosterol to vitamin D2, and the purification of the final product.
The synthesis of ergosterol from xylitol is the first step in the production of calcifediol.
Xylitol is a sugar alcohol that is derived from the hydrogenation of xylan, which is a polymer found in the cell walls of plants.
Ergosterol is a natural precursor of vitamin D2 and is synthesized from xylitol through a series of chemical reactions.
The first step in this process involves the dehydrogenation of xylitol to produce erythritol, which is then converted to pentose by a series of chemical reactions.
The pentose is then reduced to form an aldose, which is subsequently hydrogenated to produce ergosterol.
The next step in the production of calcifediol is the conversion of ergosterol to vitamin D2.
This is accomplished through a series of chemical reactions that involve the oxidation of ergosterol to form vitamin D2.
The first step in this process involves the treatment of ergosterol with sulfuric acid to form a sulfate ester.
This sulfate ester is then treated with a base to form a salt, which is then heated to produce vitamin D2.
Once the vitamin D2 has been produced, it must be purified to remove any impurities that may be present.
This is typically done through a series of chemical reactions and chromatographic techniques.
The purified vitamin D2 is then dried and processed into a form that can be used in the production of fortified foods and dairy products.
The production of calcifediol is a complex process that requires careful management of the various chemical reactions involved.
The process also requires the use of specialized equipment and the careful control of temperature, pressure, and other process parameters to ensure the production of a high-quality final product.
The production of calcifediol is also subject to strict regulations, and manufacturers must adhere to rigorous quality standards to ensure the safety and effectiveness of the final product.