ANTIBACTERIAL ACTIVITIES OF SOME INDIAN TRALATITIOUS PLANT EXTRACTS

Robert Raju, Rogimon Thomas, Manuel Thomas, Kiran, Joby Paul
2014 International Journal of Research in Botany   unpublished
Today the development of modern drugs from less toxic plant products with proven medicinal properties is on the rise. In India, medicinal plants are widely used by people as folk therapeutics or in different indigenous systems of medicine like Siddha, Unani and Ayurveda. Thus a study was conducted to explore the antibacterial effects of Adhatoda vasica, Aerva lanata, Alangium salviifolium and Pongamia pinnata against a panel of bacteria such as Escherichia coli, Citrobacter sp., Psueudomonas
more » ... p., Psueudomonas sp. and Staphylococcus sp. A. salviifolium was sensitive towards all the tested bacterial pathogens irrespective of solvents. A. salviifolium methanolic extract exhibited higher sensitivity against Citrobacter sp. (27mm). A. salviifolium petroleum ether extract was more inhibitory (26mm) towards E. coli followed by A. salviifolium methanolic extract and A. vasica petroleum ether extract (23mm each). The study clearly demonstrated that the methanolic and petroleum ether extracts of the tested plants contain antibacterial principles as arrogated by traditional herbal practitioners.
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