Vitamins are the essential nutritional factors and potent organic compound requires great care to control their quality of their formulations.
They are mainly classified into two classes based on their solubility. They are as follows:
Example: Vitamins B and C
Example: Vitamins A, D, E and K
Vitamin A is a light-sensitive compound. The structure of vitamin A is as follows:
Vitamin A is analysed by the following methods: