In vitro Antibacterial Studies on Essential Oils from Juniperus communis L.

Singh Digvijay and Bhardwaj SV

Abstract

Juniperus communis belongs to family Cupressaceae, yields 0.25 per cent of essential oil, resin, juniperin and organic acids. The active ingredients are antimicrobial, aphrodisiac and styptic in nature and are useful in treatment of ashthma, chronic bronchitis and diseases of liver and spleen. Shade dried leaves of plant were extracted with petroleum ether, ethanol and methanol and evaporated in vacuo to obtain the crude extract. Zone of inhibition and minimum inhibitory concentration (MIC) of plant extracts were evaluated by Microtiter plate method. Antibacterial assays of extracts showed considerable inhibition capacity and Extracts also displayed remarkable minimum inhibitory concentrations (≥20 μg/ml) which was significant compared to that (≥30 μg/ml) of the reference antibiotic.

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