doiSerbia

Antibacterial activities of extracts from twelve Centaurea species from Turkey

Tekeli Yener (Department of Chemistry, Science and Arts Faculty, Mustafa Kemal University, Hatay, Turkey)
Zengin Gokhan (Department of Biology, Science Faculty, Selcuk University, Konya, Turkey)
Aktumsek Abdurrahman (Department of Biology, Science Faculty, Selcuk University, Konya, Turkey)
Sezgin Mehmet (Department of Chemistry, Science Faculty, Selcuk University, Konya, Turkey)
Torlak Emrah (Ministry of Agriculture and Rural Affairs, Province Control Laboratory, Meram, Konya, Turkey)

Members of the genus Centaurea (Asteraceae) have been used in traditional plant-based medicine. The methanol extracts of twelve Centaurea species, of which five are endemic to Turkey flora, were screened for antibacterial activity against four bacteria (Escherichia coli, Bacillus cereus, Salmonella enteritidis, Staphylococcus aureus). The antibacterial activity was evaluated by the microdilution method and the minimum inhibition concentrations (MIC) of the extracts were determined. C. cariensis subsp. microlepis exhibited an antimicrobial effect on all tested microorganisms. The extracts from eight Centaurea species (C. balsamita, C. calolepis, C. cariensis subsp. maculiceps, C. cariensis subsp. microlepis, C. kotschyi var. kotschyi, C. solstitialis subsp. solstitialis, C. urvillei subsp. urvillei and C. virgata) possessed antibacterial activity against several of the tested microorganisms.

Keywords: Medicinal plants, endemic, methanolic extract, antibacterial activity