Physicochemical and Pharmacologic Aspects

Vitamin A (retinol) is a fat-soluble, long chain alcohol (molecular weight 286.4 dal-tons) which exists in a number of isomeric forms. The most active and the form 

Deficiency of vitamin A leads to degenerative lesions in the epithelium, xerophthalmia being the classical vitamin A deficiency disease. The drug-equivalent uses of vitamin A can be seen in Table 1. 

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