2016, Vol. 4, Issue 4, Part A

author(s)
Geedhu Daniel and S Krishnakumari

abstract
Medicinal plants form a major source of raw materials for drugs for the prevention and treatment of ailments. Antioxidants play an important role in protecting against damage by reactive oxygen species. The present study was designed to evaluate the potential of aqueous leaf extract of Eugenia uniflora as an antioxidant lead by using various in vitro models like superoxide radical scavenging assay, hydroxyl radical scavenging assay and nitric oxide radical scavenging assay using standard procedures. IC50 values were calculated respectively. In all these studies, a significant correlation existed between concentrations of the extract and percentage inhibition of free radicals. These results clearly indicated that leaf extract of Eugenia uniflora could be a potential source of natural antioxidant and effective against free radical mediated diseases