Description

Vitamin C, also known as ascorbic acid (Ascorbic acid), is white powder, odorless, sour taste, melting point 190 ~ 192 ℃, easily soluble in water and methanol, slightly soluble in ethanol, insoluble in ether, chloroform and petroleum ether. It has strong reducibility and is easily damaged by light, heat, oxygen, etc., and decomposes faster when there are trace metal ions in the lye solution, but it is more stable after drying and crystallization. Vitamin C is an essential water-soluble vitamin and an antioxidant, widely used in medicine, food, feed and other fields.