VITAMIN D3
Introduction
Vitamin D3, also known as cholesterol, is a kind of vitamin D, which has been proven It is the real active form of vitamin D in the body. At present, there are at least 10 known types of vitamin D, but the most important are vitamin D2 and vitamin ChemicalbookD3 . Cholecalciferol, also known as vitamin D3, is the most important form of vitamin D, which mainly regulates the metabolism of calcium and phosphorus in the body. Vitamin D3 is converted from 7-dehydrogenated cholesterol in the skin by ultraviolet irradiation.
Chemical properties
White columnar crystal or crystalline powder, odourless and tasteless. Melting point 84～88℃, specific spin photometric αD20=+105°～+112°. Extremely soluble in chloroform, easily soluble in Chemicalbook ethanol, ether, cyclohexane and acetone, slightly soluble in vegetable oil, insoluble in water. It has good heat resistance, but it is unstable to light and easily oxidised in the air. White rat oral LD1042mg/kg.
USE
Vitamin D3 can maintain the normal metabolism of calcium and phosphorus, and can promote the body's absorption of calcium and phosphorus. When deficient, children are prone to rickets.
