Kurum Yazarı "Duru, Mehmet Emin" Kimya Bölümü Koleksiyonu İçin Listeleme
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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 ... -
Effects of essential oils from Liquidambar orientalis Mill. leaves on growth performance, carcass and some organ traits, some blood metabolites and intestinal microbiota in broilers
Altop, A.; Erener, G.; Duru, Mehmet Emin; Isik, K. (Taylor & Francis Ltd, 2018)1. This study was carried out to investigate the effects of liquidambaressential oils (LEO) isolated from Turkish sweet gum (Liquidambar orientalis Mill.) leaves on growth performance, carcass, edible inner organs (EIO), ... -
Essential Oil Composition, Antioxidant, Anticholinesterase and Anti-tyrosinase Activities of Two Turkish Plant Species: Ferula elaeochytris and Sideritis stricta
Deveci, Ebru; Tel-Cayan, Gülsen; Duru, Mehmet Emin (Natural Products Inc, 2018)The aim of the present study is to characterize chemical compositions and antioxidant, anticholinesterase and anti-tyrosinase activities of Ferula elaeochytris and Sideritis stricta essential oils. The hydrodistilled ... -
Evaluation of Enzyme Inhibition and Anti-Quorum Sensing Potentials of Melaleuca alternifolia and Citrus sinensis Essential Oils
Ngenge, Tamfu Alfred; Küçükaydın, Selçuk; Özgür, Ceylan; Duru, Mehmet Emin (SAGE PUBLICATIONS, 2021)In this study, Melaleuca alternifolia (Maiden and Betche) Cheel (tea tree) oil and C. sinensis (L.) Osbeck (orange) oil was procured, and their chemical compositions were characterized by gas chromatography coupled with ... -
Free-radical scavenging capacity and antimicrobial activity of wild edible mushroom from Turkey
Gezer, K.; Duru, Mehmet Emin; Kıvrak, İbrahim; Türkoğlu, A.; Mercan, N.; Türkoğlu, H.; Gülcan, S. (Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Ramaria flava (Schaeff) Quel. (RF) extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, ... -
GC-MS Analysis and Antimicrobial Activity of Essential Oil of Stachys cretica subsp smyrnaea
Öztürk, Mehmet; Duru, Mehmet Emin; Aydoğmuş-Öztürk, Fatma; Harmandar, Mansur; Mahlıçlı, Melda; Kolak, Ufuk; Ulubelen, Ayhan (Natural Products Inc, 2009)The essential oil from the aerial parts of Stachys cretica L. subsp. smyrnaea Rech. fil. (Lamiaceae), endemic to Turkey, was investigated by using GC and GC-MS. Thirty-four of 37 components, represented 99.7% of the total ... -
GC-MS Analysis of the Antioxidant Active Fractions of Micromeria juliana with Anticholinesterase Activity
Öztürk, Mehmet; Kolak, Ufuk; Duru, Mehmet Emin; Harmandar, Mansur (Natural Products Inc, 2009)The aerial parts of Micromeria juliana (L.) Bentham ex Reichb. were extracted with light petroleum, acetone and methanol, successively. The antioxidant activity of different concentrations of the extracts was evaluated ... -
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 ... -
HPLC-DAD phenolic profiles, antibiofilm, anti-quorum sensing and enzyme inhibitory potentials of Camellia sinensis (L.) O. Kuntze and Curcuma longa L.
Tamfu, Alfred Ngenge; Ceylan, Özgür; Küçükaydın, Selçuk; Duru, Mehmet Emin (Academic Press, 2020)This study aimed at investigating phenolic composition, anti-quorum sensing and enzyme inhibitory potential of Camellia sinensis and Curcuma longa. HPLC-DAD identified and quantified curcumin (398.67 ± 0.34 mg/g), ... -
Identification and quantification of phenolic acid compounds of twenty-six mushrooms by HPLC-DAD
Çayan, Fatih; Deveci, Ebru; Tel-Çayan, Gülşen; Duru, Mehmet Emin (Springer, 2020)Phenolic acids are found in different foods in the human diet, for example mushrooms. Determination of phenolic acids is important because of their relationship to their role in disease prevention due to their bioactive ... -
In vitro antioxidant, anticholinesterase and antimicrobial activity studies on three Agaricus species with fatty acid compositions and iron contents: A comparative study on the three most edible mushrooms
Öztürk, Mehmet; Duru, Mehmet Emin; Kıvrak, Şeyda; Mercan-Doğan, Nazime; Turkoğlu, Aziz; Özler, Mehmet Ali (Pergamon-Elsevier Science Ltd, 2011)The fatty acids of Agaricus essettei, Agaricus bitorquis and Agaricus bisporus were investigated by using GC and GC-MS. The dominant fatty acids were found to be linoleic (61.82-67.29%) and palmitic (12.67-14.71%) acids ... -
In vitro Study of Antibacterial Activity on Multi-Resistant Bacteria and Chemical Composition of the Chloroform Extract of Endemic Centaurea drabifolia subsp cappadocica
Uğur, Aysel; Saraç, Nurdan; Duru, Mehmet Emin; Beyatlı, Yavuz (Sage Publications Inc, 2009)The antimicrobial activity of the n-hexane, chloroform, ethyl acetate and ethanol extracts of the aerial parts of C. drabifolia S.M. subsp. cappadocica (DC.) Wagenitz (Asteraceae) was evaluated against microorganisms ... -
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 ... -
Investigation of Antioxidant and Anticholinesterase Potential of Essential Oil and Methanolic Extract of Propolis from Mila Region
Boulechfar, S.; Zellagui, A.; Chemsa, A.E.; Bensouici, C.; Segueni, N.; Lahouel, M.; Duru, Mehmet Emin (Taylor and Francis Ltd., 2019)The essential oil (EO) obtained by hydrodistillation of the propolis of Grarem located in Mila region (East of Algeria) have been studied by GC/MS. Seventy eight compounds were identified representing 93.52 % of the essential ... -
Isolation and characterization of antioxidant phenolic compounds from the aerial parts of Hypericum hyssopifolium L. by activity-guided fractionation
Çakır, Ahmet; Mavi, A.; Yıldırım, A.; Duru, Mehmet Emin; Harmandar, H.; Kazaz, C. (Elsevier Sci Ireland Ltd, 2003)Dried methanol extract of Hypericum hyssopifolium subsp. elongatum var. elongatum was dissolved in distilled water, and then fractioned by re-extracting with petroleum ether, chloroform, and ethyl acetate, subsequently. ... -
LIPID COMPOSITIONS OF Bjerkandera adusta (WILLD) P KARST
Küçükaydın, Selçuk; Duru, Mehmet Emin (Yildiz Technical Univ, 2017)Mushrooms are considered as a substantial nutrient, which are the source of many vitamins as well as protein and mineral. Since ancient times, it has been known that mushrooms used as food as well as medicine in many ... -
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 ...