Introduction: Malva sylvestris belongs to Malvaceae family from which A great deal of (malvone A:2-methony-5,6di hydroxyl-1,4naphthoquinone) anthocyanins and important natural pigments have been extracted. Anthocyanins and other substances of Malva sylvestris own antibacterial properties. Methods: In this study, antibacterial properties of Malva sylvestris were investigated on the 6 bacterial species (Pasteurella multosida, Listeria monocytogenes, Salmonella enterica, Escherichia coli, Staphylococcus aureus, Streptococcus agalactiae) via Hydro-alcoholic extract (arial and root organs) Results: In this study, the anti-bacterial effects of alcoholic extract of Malva sylvestris was separately investigated according to which the most ani-bacterial effect belonged to the extract of the aerial parts on Pasteurella multosida(3/12(0/19mg/ml)%) and no effect was observed on Salmonella enteritidis . Conclusion: however antibiotics play an important role in human health,with the increasing occurrence of bacterial resistance against available antibiotics ,it has now become essential to look for newer antibiotics.

Keywords: Antibacterial; Malva sylvestris L.; MIC; Microtitre plate; Resazurin assay

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