Determination of usnic acid in some Rhizoplaca species from middle Anatolia and their antimicrobial activities

Cansaran D., Cetin D., Halici M., Atakol O.

Zeitschrift fur Naturforschung - Section C Journal of Biosciences, cilt.61, sa.1-2, ss.47-51, 2006 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 61 Sayı: 1-2
  • Basım Tarihi: 2006
  • Doi Numarası: 10.1515/znc-2006-1-209
  • Dergi Adı: Zeitschrift fur Naturforschung - Section C Journal of Biosciences
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.47-51
  • Anahtar Kelimeler: Rhizoplaca, lichen, antimicrobial activity, (+)-USNIC ACID, LICHENS
  • Ankara Üniversitesi Adresli: Evet

Özet

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. © 2006 Verlag der Zeitschrift für Naturforschung.