Effect of some essential oils on microorganisms.

Abstract

The essential oils tested viz., Cardiaca Oil, Mentha Oil, Artemisia Oil and Geranium Oil against pathogenic bacterial and fungal strains. Significant activity of all oils was found against all microorganisms. All the four oils showed a higher inhibition against all the microorganisms, except S. epidermidis at different level of concentrations used (1000 ppm and 500 ppm). It is clearly indicated that inhibition activity increased approximately 1 to 2 folds at 1000 ppm concentration as compared to 500 ppm. S. epidermidis has shown resistant towards all the oils at both the concentration while M. smegmatis and S. mutans have shown higher inhibition as compared to S. epidermidis.