Determination of Usnic Acid in Some Rhizoplaca Species from Middle Anatolia and their Antimicrobial Activities-Reference-Cited by-同舟云学术

Determination of Usnic Acid in Some Rhizoplaca Species from Middle Anatolia and their Antimicrobial Activities

Published:2006-02-01 Issue:1-2 Volume:61 Page:47-51
ISSN:1865-7125
Container-title:Zeitschrift für Naturforschung C
language:en
Short-container-title:

Author:

Cansaran Demet¹,Çetin Demet²,Halıcı M. Gökhan³,Atakol Orhan⁴

Affiliation:

1. Botany Section, Department of Biology, Faculty of Science, University of Ankara, Tandogán 06100 Ankara, Turkey

2. Biotechnology Section, Department of Biology, Faculty of Science, University of Ankara, 06100 Ankara, Turkey

3. Botany Section, Department of Biology, Faculty of Science, University of Erciyes, 38039 Kayseri, Turkey

4. Department of Chemistry, Faculty of Science, University of Ankara, 06100 Ankara, Turkey

Abstract

Abstract Three species of lichens, Rhizoplaca chrysoleuca (Sm.) Zopf, Rhizoplaca melanopthalma (DC.) Leuckert & Poelt and Rhizoplaca peltata Ramonds Leuckert, were collected from middle Anatolia, Erciyes Mountain (Kayseri) in Turkey. Their usnic acid amounts were determined by HPLC in acetone extracts. In addition, antimicrobial activities of these extracts were determined against Escherichia coli (ATCC 35218), Enterococcus faecalis (RSKK 508), Proteus mirabilis (Pasteur Ens. 235), Staphylococcus aureus, Bacillus subtilis, Bacillus megaterium and Pseudomonas aeruginosa. It was shown that, as the usnic acid amount increased, the antimicrobial activities increased too. The usnic acid contents of Rhizoplaca species varied between 0.19-4.0% dry weight

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

Link

https://www.degruyter.com/document/doi/10.1515/znc-2006-1-209/pdf

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