Phytochemical studies have revealed that the plant contains terpenoids, aurone and isoflavonoids glycosides and associated phenolic compounds
Vinca alkaloids are a subset of drugs obtained from the Madagascar periwinkle plant. They are naturally extracted from the plant, Catharanthus roseus and have a hypoglycemic as well as cytotoxic effects
Rauwolfia serpentina (also spelled Rauvolfia serpentina), a member of the Apocynaceae family and known as ‘Indian snake root’ or ‘Sarpagandha’
Pharmacognosy is a science which deals with the study of crude medicine in substances obtained from natural sources mainly plant and animal.