Browsing by Author "İşcan, Gökalp"
Now showing items 21-40 of 72
-
The bioactive essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummitt
İşcan, Gökalp; Demirci, Fatih; Kürkçüoğlu, Mine; Kıvanç, Merih; Başer, K. Hüsnü Can (Verlag der Zeitschrift fur Naturforschung, 2003)The essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummit (Umbelliferae) was isolated from crushed seeds by means of hydrodistillation and analyzed by GC and GC/MS. Major components were identified as ... -
Biological Activities of the Essential Oil, Fruit and Root Extracts of Ferula Drudeana Korovin
Miski, M.; Kürkçüoğlu, Mine; İşcan, Gökalp; Göğer, Fatih; Tosun, Fatma (Georg Thieme Verlag Kg, 2013)… -
Biological activity and composition of the essential oils of Achillea schischkinii Sosn. and Achillea aleppica DC. subsp aleppica
İşcan, Gökalp; Kırımer, Neşe; Kürkçüoğlu, Mine; Arabaci, T; Küpeli, E; Başer, K. Hüsnü Can (American Chemical Society, 2006)The essential Oils obtained by water distillation from aerial parts of Achillea schischkinii Sosn. and Achillea aleppica DC. subsp. aleppica were analyzed by gas chromatography and gas chromatography/mass spectrometry. ... -
Biotransformation of (-)-(R)-a-Phellandrene: Antimicrobial Activity of Its Major Metabolite
İşcan, Gökalp; Kırımer, Neşe; Demirci, Fatih; Demirci, Betül; Noma, Yoshiaki; Başer, K. Hüsnü Can (Wiley-V C H Verlag GMBH, 2012)Terpene derivatives converted by microbial biotransformation constitute an important resource for natural pharmaceutical, fragrance, and aroma substances. In the present study, the monoterpene a-phellandrene was biotransformed ... -
Bitkisel drog monografı hazırlanması: Mentha spıcata L.
İşcan, Gökalp; Anadolu Üniversitesi, Sağlık Bilimleri Enstitüsü; Çetin, Döne Neşe (Tez (yüksek lisans) - Anadolu Üniversitesi, 2019)Mentha spicata L., ülkemizde doğal olarak yetişen, Lamiaceae familyasından tıbbi ve aromatik özellikleri ile gıda, ilaç, kozmetik ve kimya sektöründe büyük öneme sahip bir türdür. Akdeniz, Güney ve Batı Avrupa, Rusya, Asya, ... -
Chemical characterization and antimicrobial evaluation of Stachys citrina subsp. Citrina essential oil [Stachys Citrina subsp. Citrina uçucu yagi{dotless}ni{dotless}n kimyasal karakterizasyonu ve antimikrobiyal degerlendirilmesi]
Flowering aerial parts of Stachys citrina Boiss. et Heldr. subsp. citrina (Lamiaceae) being endemic for Turkey were subjected to hydrodistillation to obtain the essential oil which was further analysed by GC-FID and GC-MS, ... -
Chemical Composition and Biological Activity of Centaurea baseri: New Species from Turkey
Köse, Yavuz Bülent; İşcan, Gökalp; Göğer, Fatih; Akalın Çiftçi, Gülsen; Demirci, Betül; Başer, K. Hüsnü Can (Wiley-V C H Verlag GMBH, 2016)The genus Centaurea L. is one of the largest and important genera of Asteraceae family. Centaurea species have been widely used as herbal remedies in folk medicine for their antidandruff, antidiarrheic, antirheumatic, ... -
Chemical composition and biological activity of Nepeta Cilicica
İşcan, Gökalp; Göğer, Fatih; Demirci, Betül; Köse, Yavuz Bülent (Bangladesh Pharmacological Soc, 2017)In the present study, aerial parts of Nepeta cilicica were hydro-distilled for the essential oil. Furthermore, air-dried plant materials were extracted with methanol. According to GC-MS results, 35 compounds were characterized ... -
Comparison of hydrodistillation and microdistillation methods for the analysis of fruit volatiles of Prangos pabularia Lindl., and evaluation of its antimicrobial activity
Özek, Gülmira; Özek, Temel; İşcan, Gökalp; Başer, K. Hüsnü Can; Hamzaoğlu, Ergin; Duran, Ahmet (Elsevier Science BV, 2007)The volatile constituents of Prangos pabularia Lindl. fruits (Umbelliferae) were obtained by hydrodistillation (HD) and microdistillation (MD) techniques, and then analyzed by gas chromatography (GC) and gas chromatography-mass ... -
Composition and antibacterial activity of the essential oil of ferulago confusa velen
Kürkçüoğlu, Mine; İşcan, Gökalp; Demirci, Fatih; Başer, K. Hüsnü Can; Malyer, Hulusi; Erdoğan, E. (2010)Water-distilled essential oil from the crushed fruits of Ferulago confusa Velen, collected from Bursa: Keles-Orhaneli in Turkey, was analyzed by GC and GC/MS. Ninety-one components were identified representing 99.5% of the ... -
Composition and Antibacterial Activity of the Essential Oil of Ferulago confusa Velen.
Kürkçüoğlu, Mine; İşcan, Gökalp; Demirci, Fatih; Başer, K. Hüsnü Can; Malyer, Hulusi; Erdoğan, E. (Allured Publ Corp, 2010)Water-distilled essential oil from the crushed fruits of Ferulago confusa Velen, collected from Bursa: Keles-Orhaneli in Turkey, was analyzed by GC and CC/MS. Ninety-one components were identified representing 99.5% of the ... -
Composition and anticandidal activity of the essential oil of Chaerophyllum byzantinum Boiss.
Kürkçüoğlu, Mine; Başer, K. Hüsnü Can; İşcan, Gökalp; Malyer, Hulusi; Kaynak, G (Wiley, 2006)Water-distilled essential oil of Chaerophyllum byzantinum Boiss., collected from Bursa, Uludag, in Turkey, was analyzed by GC and GC/MS. Sixty-five components were identified representing 94.6% of the oil. Sabinene (30.0%), ... -
Composition and Anticandidal Activity of the Essential Oil of Hypericum perforatum L.
Alan, Sevim; Demirci, Betül; İşcan, Gökalp; Köse, Yavuz Bülent; Başer, K. Hüsnü Can (Asian Journal Of Chemistry, 2010)The essential oil obtained by hydrodistillation of Hypericum perforatum L. (Clusiaceae) obtained from Turkey was analyzed by gas chromatography and gas chromatography/mass spectrometry (GC/MS), simultaneously. Main ... -
Composition and antimicrobial activity of the essential oil of tanacetum cadmeum (Boiss.) heywood subsp. Orientale grierson
Özek, Gülmira; Özek, Temel; İşcan, Gökalp; Başer, K. Hüsnü Can; Hamzaoğlu, Ergin; Duran, Ahmet (2007)Water distilled essential oil of aerial parts of Tanacetum cadmeum (Boiss.) Heywood subsp. orientale Grierson (Asteraceae) was analyzed by GC and GC/MS methods. Ninety three compounds have been characterized representing ... -
Composition and antimicrobial activity of the essential oils of calamintha betulifolia boiss. et bal
The water distilled essentials oil from the aerial parts of Calamintha betulifolia Boiss. et Bal. collected from three different localities in Turkey were analyzed by GC and GC/MS. Fifty six to seventy nine components ... -
Composition and antimicrobial activity of the essential oils of Calamintha betulifolia Boiss. et Bal.
Kürkçüoğlu, M.; İşcan, Gökalp; Özek, Temel; Başer, K. Hüsnü Can; Alan, Sevim (Allured Publ Corp, 2007)The water distilled essentials oil from the aerial parts of Calamintha betulifolia Boiss. et Bal. collected from three different localities in Turkey were analyzed by GC and GC/MS. Fifty six to seventy nine components ... -
Composition and antimicrobial activity of the essential oils of two endemic species from Turkey: Sideritis cilicica and Sideritis bilgerana
İşcan, Gökalp; Kırımer, Neşe; Kürkçüoğlu, Mine; Başer, K. Hüsnü Can (Springer, 2005)Aerial parts of Sideritis cilicica Boiss. ct, Bal. and Sideritis bilgerana P.H. Davis (Lamiaceae) were h y vdrodistilled to obtain essential oils that were then analyzed by GC and GC/MS. beta-Pinene (39%), alpha-pinene ... -
Composition and antimicrobial activity of the oils of Ferula szowitsiana DC. from Turkey
Özek, Gülmira; Özek, Temel; İşcan, Gökalp; Başer, K. Hüsnü Can; Duran, Ahmet; Hammoğlu, Ergin (Taylor & Francis Inc, 2008)The essential oils from the leaves and steins of Ferula szowitsiana DC. (Umbelliferae) were separately obtained by hydrodistillation and then analyzed by GC and GC/MS methods. The oil yields were 0.4% and 0.05%, respectively. ... -
Composition and biological activities of Salvia veneris Hedge growing in Cyprus
Toplan, Gizem Gülsoy; Kürkçüoğlu, Mine; Göğer, Fatih; İşcan, Gökalp; Ağalar, Hale Gamze; Mat, Afife; Sarıyar, Günay (Elsevier Science BV, 2017)Salvia is a valuable genus whose species are rich in essential oils and phenolic compounds. Salvia species are used in perfumery and cosmetics industry and also in food industry as a source of essential oil and flavoring ...