Objective: Salacia oblonga Wall. is an important medicinal plant belonging to the family Celastraceae. The study reports the effect of S. oblonga root extracts against clinical isolate Staphylococcus aureus Methods: Antibacterial activity was evaluated by agar diffusion method and assay for minimum inhibitory concentration (MIC) of extract. Further, the effect of S. oblonga extract determined by DNA fragmentation and respiratory dehydrogenase enzyme activity assays. Results: S. oblonga ethyl acetate root extract was evaluated for antibacterial activity towards clinical isolate S. aureus. Bacterial growth was determined in treated and control cells. Extract displayed good growth inhibition and MIC of the extract was 80 μg/ml. DNA fragmentation assay was carried out, this result has shown that treated bacterial cell has DNA damage compared to the control cell. Further, respiratory dehydrogenase enzyme activity was determined. In the treated cells, enzyme activity was low compared to the control cells. Conclusion: Salacia oblonga root extract inhibiting the growth of S. aureus by different modes of action.
Salacia Oblonga shrub belonging to the family 'Celestraceae'. It is found in India and Srilanka. We have collected the plant extract from Western Ghats, India. In traditional medicines it is used for the treatment of diabetes and can be exploited to treat many chronic and infectious diseases. The plant extracts of S.oblonga has been used on the treatment of diabetes, polyuria, gonorrhea, rheumatism, asthma and fever. We have undertaken present study to evaluate the antifungal activity of S.oblonga aerial and root extracts against human pathogen Candida albicans. Antifungal activity of methanol extract (1 mg/ml) and ethyl acetate extracts were tested. Extracts have shown good growth inhibition against Candida albicans. Identified the minimum inhibitory concentration of the plant extract 40µg/ml comparison with synthetic drug Clotrimazole 60µg/ml. Separation of the phytochemical from the crude extracts by thin layer chromatography and identified the active fraction. Our study highlighted the antifungal activity of Salacia Oblonga extracts.
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