Yazar "Tel-Çayan, Gülsen" için Kimya Bölümü Koleksiyonu listeleme
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Biologically active flavonoids from Dodonaea viscosa and their structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Nadeem, Said; Duru, Mehmet Emin; Anis, Itrat; Shah, Muhammad R. (Elsevier, 2015)Antioxidant and anticholinesterase activities of twelve flavonoids i.e. santin (1), penduletin (2), viscosine (3), 6,7-dimethylkaempferol (4), kaempferol-3- methylether (5), 3,4'-dimethoxy-5,7-dihydroxyflavone (6), ... -
Characterization of Aromatic Volatile Compounds of Eight Wild Mushrooms by Headspace GC-MSD
Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Türkoğlu, Aziz (Springer, 2017)[No abstract available] -
Chemical characterization and antioxidant activity of Eryngium pseudothoriifolium and E. thorifolium essential oils
Tel-Çayan, Gülsen; Duru, Mehmet Emin (Marmara Univ, 2019)The chemical characterization and antioxidant activities of essential oils of Eryngium pseudothoriifolium Contandr. & Quezel and E. thorifolium Boiss., endemic plant species from Turkey, were investigated. The essential ... -
Chemical Composition, Antioxidant, Anticholinesterase and Anti-Tyrosinase Activities of Essential Oils of Two Sideritis Species from Turkey
Deveci, Ebru; Tel-Çayan, Gülsen; Usluer, Özlem; Duru, Mehmet Emin (Shaheed Beheshti Univ, Sch Pharmacy, 2019)Sideritis species have been known as medicinal plants since ancient times, and used as tea in Mediterranean countries such as Turkey, Greece, and Spain. They are also used for the treatment of several ailments such as a ... -
Chemical composition, antioxidant, anticholinesterase and anti-urease activities of Sideritis pisidica Boiss. & Heldr. endemic to Turkey
Deveci, Ebru; Tel-Çayan, Gülsen; Yıldırım, Hasan; Duru, Mehmet Emin (Marmara Univ, Fac Pharmacy, 2017)The objective of this study was to investigate the chemical composition, antioxidant, anticholinesterase and anti-urease activities of essential oil, hexane, acetone and methanol extracts of Sideritis pisidica Boiss. & ... -
Chemical constituents of Porodaedalea pini mushroom with cytotoxic, antioxidant and anticholinesterase activities
Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Öztürk, Mehmet (Springer, 2019)Chemical investigation of Porodaedalea pini led to the isolation of campesterol (1), ergosta-7,24(28)-dien-3 beta-ol (2), dioctyl phthalate (3), ergosterol peroxide (4), pinoresinol (5) and 4-(3,4-dihydroxyphenyl)but-3-en-2-one ... -
Chemometric Approaches for the Characterization of the Fatty Acid Composition of Seventeen Mushroom Species
Çayan, Fatih; Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin (Taylor & Francis Inc, 2020)Mushrooms have been used since ancient times because of their nutritional, medicinal and economic potential. In this study, fatty acid compositions of seventeen mushroom species, naturally growing in Turkey, were determined ... -
Content of Minerals and Trace Elements Determined by ICP-MS in Eleven Mushroom Species from Anatolia, Turkey
Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Yabanlı, Murat; Türkoğlu, Aziz (Chiang Mai Univ, Fac Science, 2017)The mineral and trace element content of 11 mushroom species; namely, Fomes fomentarius, Funalia trogii, Ganoderma adspersum, Ganoderma applanatum, Ganoderma lucidum, Gyromitra esculenta, Lyophyllum decastes, Pleurotus ... -
The Effect of Temperature on the Essential Oil Components of Salvia potentillifolia Obtained by Various Methods
Öztürk, Mehmet; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Harmandar, Mansur; Topcu, Gülaçtı (Sage Publications Inc, 2009)The chemical compositions of the essential oils of Salvia potentillifolia (Lamiaceae) were analyzed by GC and GC-MS. The oils were obtained by four different methods (hydrodistillation, steam distillation, and two extraction ... -
HPLC-DAD Analysis and Versatile Bioactivities of Turkish Sunflower Honeys Using Chemometric Approaches
Duru, Mehmet Emin; Eroğlu, Büşra; Tel-Çayan, Gülsen; Taş-Küçükaydın, Meltem; Küçükaydın, Selçuk; Çayan, Fatih; Ceylan, Özgür (John Wiley and Sons Inc, 2023)Sunflower honey (SH) is bright yellow, fragrant, pollen-flavoured, slightly herbaceous and has a unique taste. The present research aims to examine the enzyme inhibitory, antioxidant, anti-inflammatory, antimicrobial and ... -
Inhibitory activities of medicinal mushrooms on ?-amylase and ?-glucosidase-enzymes related to type 2 diabetes
Deveci, Ebru; Çayan, Fatih; Tel-Çayan, Gülsen; Duru, Mehmet Emin (Elsevier B.V., 2021)Mushrooms have been used as a primary source of medicines since ancient times due to the presence of bioactive compounds. Enzyme inhibition is an important field of pharmaceutical research that provides insight into the ... -
Phytochemical contents, antioxidant effects, and inhibitory activities of key enzymes associated with Alzheimer's disease, ulcer, and skin disorders of Sideritis albiflora and Sideritis leptoclada
Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Öztürk, Mehmet (Wiley, 2019)In this study, urease, tyrosinase, cholinesterase inhibitory, and antioxidant activities of various extracts of Sideritis albiflora and Sideritis leptoclada were determined together with the phytochemical contents. In ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Nadeem, Said; Anis, Itrat; Shah, Muhammad Raza (Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ... -
Structural characterization and determination of biological activities for different polysaccharides extracted from tree mushroom species
Deveci, Ebru; Çayan, Fatih; Tel-Çayan, Gülsen; Duru, Mehmet Emin (Wiley, 2019)Chemical composition and structural characterization of polysaccharides of Fomes fomentarius (FF), Fuscoporia torulosa, Ganoderma adspersum, Ganoderma applanatum (GAP), Ganoderma lucidum, Phellinus igniarius, Pleurotus ...