About Author: C. Stalin*, S. Kamalasivam, E. Hariharan,
Pallavan College of Pharmacy,
Tabernaemontana divaricata a common garden plant in tropical countries has been used as a traditional medicine. However, no recent review articles of T. divaricata, particularly discussing its pharmacological properties, are available. In present study, the antioxidant activity of ethanolic extract of flowers and leaves of Tabernaemontana divaricata linn were evaluated . Free radicals have been regarded as a fundamental cause of different kinds of diseases. They cause biochemical damage in cells and tissues, which result in several diseases such as arteriosclerosis, ischemia-reperfusion injury, liver disease, diabetes mellitus, inflammation, renal failure, aging, cancer, etc. Compounds that can scavenge free radicals are thus effective in ameliorating the progress of these related diseases. T.divaricata L. known locally as ‘Nandiyavattom’ belonging to the family, Apocynaceae a common plant in India, profoundly used in Ayurvedic medicine as Anthelmintic, Anti-inflammatory, Anodyne, Diuretic property.1 The objective of the present study was designed to investigate the antioxidant efficacy of ethanolic extract of leaves and flower of Tabernaemontana divaricata (TALE & TLFE). Invitro antioxidant activity such as Reducing power ability , NBT reduction assay, Deoxyribose degradation assay was performed and was concluded that the ethanolic extract of leaves and flowers of Tabernaemontana divaricata showed significant antioxidant activity.