Yazar "Yayla, Fatih" için listeleme
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Altitudinal changes in secondary metabolite contents of Hypericum androsaemum and Hypericum polyphyllum
Çırak, Cüneyt; Radusiene, Jolita; Jakstas, Valdas; Ivanauskas, Liudas; Seyis, Fatih; Yayla, Fatih (Pergamon-Elsevier Science Ltd, 2017)The genus Hypericum (Hypericaceae) has attracted scientific interest as its members have yielded many bioactive compounds. in the present study we investigated the content of hypericin, pseudohypericin, hyperforin, ... -
Distribution of phenolic compounds and antioxidant activity in plant parts and populations of seven underutilized wild achillea species
Raudone, Lina; Radusiene, Jolita; Seyis, Fatih; Yayla, Fatih; Vilkickyte, Gabriele; Marksa, Mindaugas; Ivanauskas, Liudas; Çırak, Cüneyt (MDPI, 2022)Evaluation of phytochemical composition of underutilized Achillea species provides the primary selection of germplasms with the desired quality of raw material for their further applications. The aim of the study was to ... -
Phenolic compounds and antioxidant activity of Achillea arabica populations
Çırak, Cüneyt; Radusiene, Jolita; Raudone, Lina; Vilkickyte, Gabriele; (Seyis, Fatih; Marksa, Mindaugas; Ivanauskas, Liudas; Yayla, Fatih (Elsevier, 2022)In this study, we aimed to present the screening of the contents of phenolics including caffeoylquinic acid derivatives, quercetin, luteolin, apigenin and some their derivatives as well as santin and total antioxidant ... -
Secondary metabolites of hypericum species from the drosanthe and olympia sections
Çırak, Cüneyt; Radusiene, Jolita; Jakstas, Valdas; Ivanauskas, Liudas; Yayla, Fatih; Seyis, Fatih; Çamaş, Necdet (Elsevier, 2016)Eight Hypericum species native to Southern Turkey from Drosanthe and Olympia sections were investigated for the presence of several bioactive compounds, namely, hypericin, pseudohypericin, hyperforin, adhyperforin, the ... -
Secondary metabolites of seven Hypericum species growing in Turkey
Çırak, Cüneyt; Radusiene, Jolita; Jakstas, Valdas; Ivanauskas, Liudas; Seyis, Fatih; Yayla, Fatih (Taylor & Francis Ltd, 2016)Context the genus Hypericum (Hypericaceae) has attracted remarkable scientific interest as its members have yielded many bioactive compounds. Objective the current study presents investigations on the accumulation of ... -
Trends in phenolic profiles of achillea millefolium from different geographical gradients
Radusiene, Jolita; Karpaviciene, Birute; Raudone, Lina; Vilkickyte, Gabriele; Çırak, Cüneyt; Seyis, Fatih; Yayla, Fatih; Marksa, Mindaugas; Rimkiene, Laura; Ivanauskas, Liudas (MDPI, 2023)The traditional widely used raw material of Achillea millefolium is currently mainly derived from wild populations, leading to diversification and uncertainty in its quality. The aim of the study was to determine the ... -
Volatile secondary metabolites of Hypericum tetrapterum and Hypericum bithynicum
Seyis, Fatih; Yurteri, Emine; Özcan, Aysel; Çırak, Cüneyt; Yayla, Fatih (Elsevier, 2022)The phytochemical analyses on the flowering aerial parts resulted in identification of 32 and 30 compounds which represent 100% of total volatile components in Hypericum tetrapterum and Hypericum bithynicum (Hypericaceae), ...
