Antioxidant and antibacterial activities of turkish endemic Sideritis extracts

Gülcan Özkan, Osman Sağdıç, Musa Özcan, Hasan Özçelik, Ahmet Ünver

2005

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DOI 10.3989/gya.2005.v56.i1.129

Data confidence 70 medium

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Abstract

Sideritis species are traditionally used as teas, flavoring agents and for medicinal purposes in Turkey . In this study, the antioxidant and antimicrobial activities of Sideritis condensata Boiss. & Heldr. (SC) and Sideritis eryhrantha v ar. erythrantha Boiss. & Heldr. (SE) endemic species' extracts of Lamiaceae were determined. These extracts were investigated for antibacterial activity by using the agar diffusion method against 15 species of bacteria: Aeromonas hydrophila, Bacillus cereus, Enterobacter aerogenes, Enterococcus feacalis, Escherichia coli, Escherichia coli O157:H7, Klebsiella pneumoniae, Mycobacterium smegmatis, Proteus vulgaris, Pseudomonas aeruginosa, Pseudomonas fluorescens, Salmonella enteritidis, Salmonella typhimurium, Staphylococcus aureus and Yersinia enterocolitica. Statistical differences within bacteria were significant at p