Abstract

In vitro antimicrobial activity of Lippia nodiflora crude extract against selected microorganisms

Author(s): M.Veera Pagu, P.Elavarasan, K.R.Jeya

Lippia nodiflora plant is used as traditional medicinal plant as diuretic, maturant, useful in fevers and cold, astringent to bowels, stomachic, used in lack of bowel movements, pain in knee joints and in lithiasis. It was found that the plant possesses steroids, alkaloids, carbohydrates, flavonoids, essential oil, tannins and salts of potassium. For this study aqueous extract of Lippia nodiflora Linn was tested against Salmonella typhi, E.coli, Staphylococcus aureus and Proteus sp. Among the five microorganisms the chloroform leaf extract was shown to be effective against E.coli and the ethyl acetate leaf extract was effective against Salmonella typhi.