Yazar "Cirak, C." için listeleme
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Breaking of seed dormancy in a Turkish endemic Hypericum species: Hypericum aviculariifolium subsp depilatum var. depilatum by light and some pre-soaking treatments
Cirak, C.; Kevseroglu, K.; Ayan, A. K. (Academic Press Ltd- Elsevier Science Ltd, 2007)The aim of this study was to enhance the germination rate of Hypericum aviculariifolium subsp. depilatum var. depilatum seeds, which have a low germination rate under normal laboratory conditions. The seeds were soaked for ... -
Development of New Sustainable Sahlep Production Methods Using Ophrys sphegodes subsp. mammosa (Desf.) Soo ex E. Nelson
Caliskan, O.; Kurt, D.; Cirak, C. (Tarbiat Modares Univ, 2019)Tubers of the tuberous orchids have been collected for centuries, and used for medicinal purposes as well as in beverage and ice-cream industry. These orchids (Sahlep orchids) cannot be propagated vegetatively as they ... -
Effect of biostress on accumulation of secondary metabolites in two Hypericum species
Radusiene, J.; Stanius, Z.; Mackinaite, R.; Karpaviciene, B.; Cirak, C. (Georg Thieme Verlag Kg, 2011)… -
In vitro plant regeneration and jasmonic acid induced bioactive chemical accumulations in two Hypericum species from Turkey
Cirak, C.; Radusiene, J.; Kurtarc, E. S.; Marksa, M.; Ivanauskas, L. (Elsevier, 2020)The aim of the study was to introduce two endangered species from Turkish flora, Hypericum aviculariifolium and H. pruinatum, into in vitro culture and to determine the elicitation effect of jasmonic acid (JA) on the ... -
Quantitative Effects of Temperature and Light Intensity on Accumulation of Bioactive Compounds in St. John's Worth
Radusiene, J.; Stanius, Z.; Cirak, C.; Odabas, M. S. (Int Soc Horticultural Science, 2011)The quantitative effects of temperature and light intensity on accumulation of naphthodianthrones and phloroglucinol derivatives were examined on St. John's worth. Plants were grown in greenhouse separated into shaded and ... -
Secondary metabolites of Hypericum species from the Drosanthe and Olympia sections
Cirak, C.; Radusiene, Jolita; Jakstas, Valdas; Ivanauskas, Liudas; Yayla, Fatih; Seyis, Fatih; Camas, 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 ... -
Variation of hyperforin in Hypericum monthretii during its phenological cycle
Cirak, C.; Radusiene, J. (Taylor & Francis Ltd, 2007)Hypericum montbretii, a perennial herbaceous plant from Turkish flora has a great pharmaceutical potential with its well-documented chemical content. In the present study, morphogenetic and phenological variations of ...
