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Vol. 25 No. 2 (2013): Vol 25 Issue 2

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Antimicrobial and Antioxidant Activities of Some Species of Centaurea Collected from Turkey

https://doi.org/10.14233/ajchem.2013.12125
Ismet Uysal
Department of Biology, Faculty of Science and Arts, Canakkale Onsekiz Mart University, TR-17020 Canakkale, Turkey
Sezgin Celik
Department of Elemantary Education, Faculty of Education, Kirikkale University, TR-71451 Kirikkale, Turkey
Husniye Saglam
Department of Pharmacognosy, Faculty of Pharmacy, Ege University, TR-35100 Izmir, Turkey
Kiymet Guven
Department of Biology, Faculty of Science, Anadolu University, TR-26470 Eskisehir, Turkey

Corresponding Author(s) : Ismet Uysal

ismetuysal@gmail.com

Asian Journal of Chemistry, Vol. 25 No. 2 (2013): Vol 25 Issue 2

Abstract

The antimicrobial activity of the ethanol, acetone, ethyl acetate and chloroform extracts from Centaurea persica Boiss., C. polyclada DC. and C. consanguinea DC. (Asteraceae) were investigated by agar-well diffusion assay. All of the extracts exhibited an antimicrobial effect against most of the bacteria and all of the yeasts tested. The plant extracts were also screened for radical scavenging potential using a 1,1-diphenyl-2-picryl-hydrazyl (DPPH) in vitro model system for antioxidant activity. Ethyl acetate extracts showed the most significant inhibitory activity. Therefore, the minimal inhibitory concentration (MIC) of only ethyl acetate extracts of the samples was determined and C. consanguinea showed the highest antimicrobial effect. However, the ethanol extract of C. polyclada at 0.5 mg/mL concentration displayed the highest antioxidant activity. This activity was followed by ethanol extracts of. C. persica, ethyl acetate extracts of C. polclada, C. persica and C. consanguinea respectively.

Keywords

Antimicrobial and antioxidant activity Centaurea persica C. polyclada and C. Consanguinea
Uysal, I., Celik, S., Saglam, H., & Guven, K. (2012). Antimicrobial and Antioxidant Activities of Some Species of Centaurea Collected from Turkey. Asian Journal of Chemistry, 25(2), 666–670. https://doi.org/10.14233/ajchem.2013.12125
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