Preliminary Phytochemical Screening and in vitro Antioxidant Activity of Eugenia uniflora L. Leaf Extracts

Author(s): S. Syama, Lal Raisa Helen and MS Lathaa*

Abstract: The main aim of this work is to investigate the phytochemicals present in Eugenia uniflora and also its free radical scavenging activity of various Eugenia leaf extracts. The phytochemical screening was conducted by standard methods and free radical scavenging activity was estimated by DPPH, FRAP, ABTS and Total antioxidant assays. The results of phytochemical screening revealed the presence of secondary metabolites in Eugenia uniflora leaf extracts. Alkaloids, tannins, flavonoids, saponins, steroids, terpenoids and glycosides are present in leaf extracts of Eugenia uniflora. Results of antioxidant assay shows that all the extracts of Eugenia uniflora had free radical scavenging ability but compared to other extracts ethanolic extracts showed increased antioxidant activity. From the above results of phytochemical screening and antioxidant assay it can be concluded that Eugenia uniflora contain an enormous amount of phytochemicals. Presence of these phytochemicals are responsible for the free radical scavenging activity of Eugenia uniflora L. All these properties contribute Eugenia uniflora to act as a good therapeutic drug.

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