Yazar "Orhan, İlkay Erdoğan" için listeleme
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Antioxidant potential of some natural and semi-synthetic flavonoid derivatives and the extracts from Maclura pomifera (Rafin.) Schneider (osage orange) and its essential oil composition
Orhan, İlkay Erdoğan; Şenol, Fatma Sezer; Demirci, Betül; Dvorska, Margita; Smejkal, Karel; Zemlicka, Milan (Walter De Gruyter GMBH, 2016)Objective: The antioxidant potential of various extracts were obtained from the leaf and fruit of Maclura pomifera (Rafin.) Schneider (Moraceae) along with its major isoflavonoids; osajin and pomiferin, their semi-synthetic ... -
Antiprotozoal assessment and phenolic acid profiling of five Fumaria (fumitory) species
Orhan, İlkay Erdoğan; Öztürk, Nilgün; Şener, Bilge (Elsevier Sci LTD, 2015)Objective: To explore some Fumaria species which were recorded to be traditionally used against malaria and other protozoal diseases. Methods: Consequently, in the current study. antiprotozoal effect of the ethanol extracts ... -
Chemical Composition and Cholinesterase Inhibitory Activity of Different Parts of Daucus aristidis Coss. Essential Oils from Two Locations in Algeria
Lamamra, Mebarka; Laouer, Hocine; Amira, Smain; Orhan, İlkay Erdoğan; Şenol, Fatma Sezer; Demirci, Betül; Akkal, Salah (Acg Publications, 2017)The chemical composition of the essential oils obtained by hydrodistillation from the different parts of Daucus aristidis Coss. (syn. Ammiopsis aristidis Batt.) (Apiaceae) from two locations (Ghoufi and Bousaada) in East ... -
Chemical composition and cholinesterase inhibitory activity of different parts of Daucus aristidis coss. Essential oils from two locations in Algeria
Lamamra, Mebarka; Laouer, Hocine; Amira, Smain; Orhan, İlkay Erdoğan; Şenol, Fatma Sezer; Demirci, Betül; Akkal, Salah (ACG Publications, 2017)The chemical composition of the essential oils obtained by hydrodistillation from the different parts of Daucus aristidis Coss. (syn. Ammiopsis aristidis Batt.) (Apiaceae) from two locations (Ghoufi and Bousaada) in East ... -
Comparative studies on Turkish and Indian Centella asiatica (L.) Urban (gotu kola) samples for their enzyme inhibitory and antioxidant effects and phytochemical characterization
Orhan, İlkay Erdoğan; Atasu, Erdem; Şenol, Fatma Sezer; Öztürk, Nilgün; Demirci, Betül; Daş, Kuntal; Şekeroğlu, Nazim (Elsevier Science BV, 2013)In this study, enzyme inhibitory and antioxidant activity of the ethanol extracts of Centella asiatica (L.) Urban from Turkey and India was examined and the results were compared to those of the standardized extract of the ... -
Composition of Volatiles from Three Iris Species of Turkey
Başer, K. Hüsnü Can; Demirci, Betül; Orhan, İlkay Erdoğan; Kartal, Murat; Şekeroğlu, Nazim; Şener, Bilge (Allured Publ Corp, 2011)The genus Iris is known to contain gorgeous flowers with a violet-like scent. Iris is represented in the Turkish flora by 37 species. Nonetheless, no study has been so far performed on the volatile constituents of the ... -
Composition of Volatiles from Three Iris Species of Turkey)
Başer, K. Hüsnü Can; Demirci, Betül; Orhan, İlkay Erdoğan; Kartal, M.; Şekeroğlu, Nazim; Şener, Bilge (2011)The genus Iris is known to contain gorgeous flowers with a violet-like scent. Iris is represented in the Turkish flora by 37 species. Nonetheless, no study has been so far performed on the volatile constituents of the ... -
Concurrent aircraft routing and maintenance scheduling
Uçak rotalama, her bir filo içerisindeki her uçağın uçuş bacaklarına atanma sürecidir. Ulusal Havacılık Kuralları, belli bir uçuş saatinden sonra bütün uçaklara zorunlu olarak bakım uygulanmasını gerektirir. En düşük toplam ... -
Concurrent Aircraft Routing and Maintenance Scheduling Using Goal Programming
Orhan, İlkay Erdoğan; Kapanoğlu, Muzaffer; Karakoç, Tahir Hikmet (Gazi University, Fac Engineering Architecture, 2012)An effective competition at the civil aviation sector could be possible by an effective fleet management. One of two important functions of the fleet management is to define the aircraft routes and plan the aircraft ... -
Enzyme inhibitory and antioxidant activity of Melia azedarach L. naturalized in Anatolia and its phenolic acid and fatty acid composition
Orhan, İlkay Erdoğan; Güner, E.; Öztürk, Nilgün; Şenol, Fatma Sezer; Erdem, S. Aslan; Kartal, M.; Şener, B. (Elsevier Science BV, 2012)In the present study, acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and tyrosinase inhibitory and antioxidant activities of the fruit and leaf extracts of Melia azedarach L (Meliaceae) of Turkish origin were ... -
Essential oil compositions and antioxidant properties of the roots of twelve Anatolian Paeonia taxa with special reference to chromosome counts
Orhan, İlkay Erdoğan; Demirci, Betül; Omar, Iman; Siddiqui, Huma; Kaya, Erdal; Choudhary, M. Iqbal; Başer, K. Hüsnü Can (Taylor & Francis Inc, 2010)Essential oil compositions and antioxidant potentials of fourteen ethanol (75%) root extracts prepared from twelve taxa of the genus Paeonia (Paeoniaceae), including P. arietina Anders., P. daurica Andrews, P. x kayae N. ... -
Havayolu Operasyonlarında Planlama ve Çizelgeleme
Türk Sivil Havacılık sektörü, 2002-2008 yılları arasında gelişen ekonomi ve havacılık alanındaki bazı kısıtlamaların kaldırılmasıyla % 53 oranında büyümüştür. Havayolu sektöründe başarılı uluslararası firmalar planlama ve ... -
Hedef programlama ile bütünleşik uçak rotalama ve bakım çizelgeleme
An effective competition at the civil aviation sector could be possible by an effective fleet management. One of two important functions of the fleet management is to define the aircraft routes and plan the aircraft ... -
Inhibitory effect of Turkish Rosmarinus officinalis L. on acetylcholinesterase and butyrylcholinesterase enzymes
Orhan, İlkay Erdoğan; Aslan, Sinem; Kartal, Murat; Şener, Bilge; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2008)In the current study, we have tested acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activity of the petroleum ether, ethyl acetate, chloroform, and methanol extracts, rosmarinic acid as well as the ... -
Investigation on chemical composition, anticholinesterase and antioxidant activities of extracts and essential oils of Turkish Pinus species and pycnogenol
Üstün, Osman; Şenol, Fatma Sezer; Kürkçüoğlu, Mine; Orhan, İlkay Erdoğan; Kartal, Murat; Başer, K. Hüsnü Can (Elsevier Science BV, 2012)In the current work, the acetone, ethyl acetate, and ethanol extracts and essential oils of the twigs and needles of five Turkish Pinus species; P. brutia, P. halepensis, P. nigra, P. pinea, and P. sylvestris along with ... -
A mechanistic investigation on anticholinesterase and antioxidant effects of rose (Rosa damascena Mill.)
Şenol, Fatma Sezer; Orhan, İlkay Erdoğan; Kürkçüoğlu, Mine; Khan, Mahmud Tareq Hassan; Altıntaş, Ayten; Şener, Bilge; Başer, K. Hüsnü Can (Elsevier Science BV, 2013)In the current study, neuroprotective effect of the essential oil and aromatic waters of rose was investigated by in vitro and in silico methods. The samples were tested for their inhibitory activity against acetylcholinesterase ... -
Phenolic Acid Profile and in vitro Neurobiological Effect of Phlomis grandiflora HS Thompson var. grandiflora
Şenol, Fatma Sezer; Günbatan, Tuğba; Öztürk, Nilgün; Gürbüz, İlhan; Orhan, İlkay Erdoğan (Chem Soc Pakistan, 2018)Neurodegenerative diseases e.g. Alzheimer's disease (AD) and Parkinson's disease (PD) are on increase particularly among elderly population and the drugs available are only able to provide symptomatic treatment. Hence, an ... -
Phytochemical Characterization of Phagnalon graecum Boiss. by HPLC and GC-MS with its Enzyme Inhibitory and Antioxidant Activity Profiling by Spectrophotometric Methods
Orhan, İlkay Erdoğan; Şenol, Fatma Sezer; Demirci, Betül; Öztürk, Nilgün; Başer, K. Hüsnü Can; Şener, Bilge (Springer, 2013)In the current study, the n-hexane, chloroform, ethyl acetate, methanol, and water extracts of Phagnalon graecum Boiss. (Asteraceae), a spice plant, were investigated for their enzyme inhibitory activity against ... -
Phytochemical contents and enzyme inhibitory and antioxidant properties of Anethum graveolens L. (dill) samples cultivated under organic and conventional agricultural conditions
Orhan, İlkay Erdoğan; Şenol, F. Sezer; Öztürk, Nilgün; Çelik, Sadiye Ayşe; Pulur, Ayşen; Kan, Yüksel (Pergamon-Elsevier Science LTD, 2013)Inhibitory effect of the n-hexane, dichloromethane, ethyl acetate, and ethanol extracts from Anethum graveolens L. (dill) cultivated under organic (AG-O) and conventional (AG-C) conditions was tested against acetylcholinesterase ...
