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Antioxidant activity of five new phenolic compounds from Cirsium creticum subsp. creticum
Şabudak, Temine; Özer, Merve; Orak, Hakime Hülya; Çalışkan, Hilmican (Elsevier Science Bv, 2019)In this study, five new alkyl catechol derivatives, 1, 2, 3, 4 and 5 were isolated for the first time from Cirsium creticum subsp. creticum L. and their structures were determined by using spectroscopic techniques, including ... -
BIOACTIVE COMPOUNDS, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF TWO Cirsium SPECIES
Gülen, Dumrul; Şabudak, Temine; Orak, Hakime Hülya; Çalışkan, Hilmican; Özer, Merve (Wydawnictwo Akad Rolniczej W Lublinie, 2019)In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons ... -
Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
Şabudak, Temine; Çalışkan, Hilmican; Orak, Hakime Hülya; Özer, Merve (Taylor & Francis Ltd, 2021)Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl ... -
Electrical, structural and morphological properties of Ni/n-Si contacts
Özer, Merve; Akay, S. K.; Peksöz, Ahmet; Ertürk, Kadir; Kaynak, G. (Natl Inst Optoelectronics, 2009)This paper presents structural, morphological and electrical properties of Ni/n-Si contacts formed by electro-deposition technique. Ni film is deposited on n-type Si (100) substrate using 2 mol/L Nickel Sulphamate, 0.5 ... -
Free Radical Scavenging Capacity and Antibacterial Activity of Wild Cirsium creticum from Turkey
Şabudak, Temine; Gülen, Dumrul; Orak, Hakime Hülya; Özer, Merve; Çalışkan, Hilmican; Cabi, Evren (Assoc Pharmaceutical Teachers India, 2017)Background: In recent years, there is increasing interest the using of herbal extracts derived from plants in medicine and as a dietary supplements. Objective: We aimed the determination of the antioxidant and antibacterial ... -
Investigation of Some Antibacterial and Antioxidant Properties of Wild Cirsium vulgare from Turkey
Şabudak, Temine; Orak, Hakime Hülya; Gülen, Dumrul; Özer, Merve; Çalışkan, Hilmican; Bahrisefit, İlayda; Cabi, Evren (Assoc Pharmaceutical Teachers India, 2017)Background: Cirsium vulgare (Savi) Ten; belongs the Asteraceae family and has common uses in some countries folk medicine. Objective: In this study, the determination of some antioxidant and antimicrobial properties of C. ... -
A new pyran derivative analog from the whole plant of Cirsium italicum
Çalışkan, Hilmican; Özer, Merve; Şabudak, Temine; Orak, Hakime Hülya (Taylor & Francis Ltd, 2021)The aim of the present article was to analyze the phytochemical composition of EtOAc extract ofCirsium italicum(Savi) DC. and to determine the antioxidant activity of a new compound1. The EtOAc extract ofC. italicumwas ... -
Trakya Bölgesinde yetişen cirsium creticum ( lam.) D’ urv. subsp. creticum (asteraceae) bitkisinin fitokimyasal incelenmesi ve antioksidan aktivitesinin tayini
Özer, Merve (Namık Kemal Üniversitesi, 2018)Bu çalışmanın amacı, daha önce kimyasal içeriği ve biyolojik aktivitesi araştırılmamış olan, Trakya bölgesinde yetişen, Cirsium creticum (Lam.) d’Urv. subsp. creticum (Asteraceae) bitkisinin fitokimyasal bakımdan incelenmesi ...