The aim of this study was to determine in vitro conditions the antimicrobial activity of Ethanolic Extract of Propolis (EEP), originating from Poland, in relation to 23 variousStaphylococcus spp. strains depending on time of its activity. The conducted research shows that examined EEP demonstrated the highest activity in the twentieth hour of research although, all the analyzed strains displayed MIC value lower than 37.5 mg/ml. Summing up the obtained research results, it may be concluded that preparations including appropriate concentration of EEP may constitute an alternative way of treating infections caused by various Staphylococcus spp. strains and may also complement antibiotherapy.
Key words: Staphylococcus spp., propolis, antimicrobial activity.
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