PubMed İndeksli Yayınlar Koleksiyonu by Institution Author "Türk, Ayşen Özdemir"
Now showing items 1-9 of 9
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Angiogenesis Inhibition by A Lichen Compound Olivetoric Acid
Koparal, Ayşe Tansu; Ulus, Gönül; Zeytinoğlu, Melih; Tay, Turgay; Türk, Ayşen Özdemir (Wiley-Blackwell, 2010)Lichens have been used in folk medicine for centuries and are symbiotic organisms of fungi and algae that produce unique secondary metabolites. Olivetoric acid is one of these secondary metabolites. In the present studs ... -
Antimicrobial activity of extracts of chemical races of the lichen Pseudevernia furfuracea and their physodic acid, chloroatranorin, atranorin, and olivetoric acid constituents
Türk, Hayrettin; Yılmaz, Meral; Tay, Turgay; Türk, Ayşen Özdemir; Kıvanç, Merih (Verlag Z Naturforsch, 2006)The antimicrobial activity and the MIC values of the ethanol, chloroform, diethyl ether, and acetone extracts of the chemical races of Pseudevernia furfuracea (var. furfuracea and var. ceratea) and their physodic acid, ... -
The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
The antimicrobial activity of extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents
Yılmaz, M; Türk, Ayşen Özdemir; Tay, Turgay; Kıvanç, Merih (Walter De Gruyter GMBH, 2004)antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against 9 ... -
The Antimicrobial Activity of Extracts of the Lichen Cladonia foliacea and Its (-)-Usnic Acid, Atranorin, and Fumarprotocetraric Acid Constituents
The antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against ... -
The antimicrobial activity of extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent
Yılmaz, M; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin; Türk, Ayşen Özdemir (Verlag Z Naturforsch, 2005)The antimicrobial activity and the MIC values of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent have been investigated ... -
Antimicrobial activity of extracts of the lichen Parmelia Sulcata and its salazinic acid constituent
Candan, Mehmet; Yılmaz, Meral; Tay, Turgay; Erdem, Murat; Türk, Ayşen Özdemir (Walter De Gruyter GMBH, 2007)The antimicrobial activity of the acetone, chloroform, diethyl ether, methanol, and petroleum ether extracts of the lichen Parmelia sulcata and its salazinic acid constituent have been screened against twenty eight food-borne ... -
Evaluation of the antimicrobial activity of the acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid, norstictic acid, and protocetraric acid constituents
Tay, Turgay; Türk, Ayşen Özdemir; Yılmaz, Meral; Türk, Hayrettin; Kıvanç, Merih (Walter De Gruyter GMBH, 2004)The acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid constituent showed antimicrobial activity against Bacillus subtilis, Listeria monocytogenes, Proteus vulgaris, Staphylococcus aureus, Streptococcus ... -
Photoprotective Activity of Vulpinic and Gyrophoric Acids Toward Ultraviolet B-Induced Damage in Human Keratinocytes
Varol, Mehmet; Türk, Ayşen Özdemir; Candan, Mehmet; Tay, Turgay; Koparal, Ayşe Tansu (Wiley, 2016)Vulpinic and gyrophoric acids are known as ultraviolet filters for natural lichen populations because of their chemical structures. However, to the best of our knowledge, there has been no reference to their cosmetic ...