Yazar "Karaoğlu, Şengül Alpay" için listeleme
-
Characterization of Local Trichoderma spp. as Potential Bio-Control Agents, Screening of in vitro Antagonistic Activities and Fungicide Tolerance
Enlightening effects of biocontrol agents as Trichoderma spp. to provide disease control by combating pathogens is an important alternative in agricultural crop production. To that end, 9 species of Hypocrea/ Trichoderma ... -
Chemical analysis and biological activity of the essential oils and extracts of two liverwort species growing in Turkey
Çelik, Gonca; Şahin, Hüseyin; Baltaş, Nimet; Batan, Nevzat; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (University Belgrade, 2023)The aim of this study was to investigate the chemical composition of the essential oils (EOs) from two Diplophyllum species and to evaluate their bioactivity potential [antimicrobial, antioxidant, anti-urease, anti-xanthine ... -
Chemical composition and antimicrobial activities of the essential oils of Viburnum opulus, Viburnum lantana and Viburnum orientala
Yılmaz, Nagihan; Yaylı, Nuran; Mısır, Gülbin; Çoskunçelebi, Kamil; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2008)The composition of the essential oils obtained from the air-dried Viburnum opulus and Viburnum lantana were analyzed by GC-MS. 40 and 53 Components were identified in the essential oils and the main component of these ... -
Chemical composition and antimicrobial activity of essential oils from tortella inclinata var. Densa, T. Tortusa and pleurochaete squarrosa
Tosun, Gonca; Yaylı, Büşra; Özdemir, Turan; Batan, Nevzat; Yaylı, Nurettin; Karaoğlu, Şengül Alpay (Chemical Publishing Co., 2014)Although some chemical compositional data are available about the extracts of Tortella tortusa and Pleurochaete squarrosa, there is no investigation about the compositions and antimicrobial activities of the volatiles from ... -
Chemical composition and antimicrobial activity of the essential oils from evernia prunastri (L.) ach. and evernia divaricata (L.) ach.
Kahriman, Nuran; Yazıcı, Kenan; Arslan, Tayfun; Aslan, Ali; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2011)In present studies, the chemical composition and antimicrobial activity of the essential oil of Evernia prunastri (L.) Ach. and Evernia divaricata (L.) Ach have been analyzed. The essential oils obtained by hydrodistillation ... -
Chemical composition and antimicrobial activity of the essential oils from the aerial parts of Astragalus hamzaoglui extracted by hydrodistillation and microwave distillation
İskender, Nagihan Yılmaz; Kahrıman, Nuran; Tosun, Gonca; Terzioğlu, Salih; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2013)The essential oils from the areal parts (flower, leaf and stem) of Astragalus hamzaoglui were isolated by hydrodistillation (HD) and a microwave distillation (MD) process. The composition of the volatiles was analysed by ... -
Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey
The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ... -
Chemical composition and antimicrobial activity of the essential oils of mosses (Tortula muralis Hedw., Homalothecium lutescens (Hedw.) H. Rob., Hypnum cupressiforme Hedw., and Pohlia nutans (Hedw.) Lindb.) from Turkey
Üçüncü, Osman; Cansu, Tayyibe Beyza; Özdemlr, Turan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (TÜBİTAK, 2010)The essential oils of mosses [Tortula muralis Hedw. (Pottiaceae), Homalothecium lutescens (Hedw.) H. Rob. (Brachytheciaceae), Hypnum cupressiforme Hedw. (Hypnaceae), and Pohlia nutans (Hedw.) Lindb. (Mniaceae)] were ... -
Chemical composition and antimicrobial activity of the volatile of Gladiolus atroviolaceus boiss
Kahriman, Nuran; Yücel, Murat; Yaylı, Büşra; Aslan, Tayfun; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2012)In the present study, essential oil extracted by hydrodistillation from Gladiolus atroviolaceus Boiss. (Iridaceae) was analyzed by gas chromatography (GC) and GC-mass spectrometry (MS). A total of 52 compounds were identified, ... -
Chemical constituents and antimicrobial activities of the essential oils from Sedum pallidum var. bithynicum and S. spurium grown in Turkey
Yaylı, Nuretin; Yaşar, Ahmet; İskender, Nagihan Yılmaz; Yaylı, Nuran; Cansu, Tayyibe Beyza; Coşkunçelebi, Kamil; Karaoğlu, Şengül Alpay (Taylor&Francis LTD., 2010)Chemical compositions of the essential oil of Sedum pallidum Bieb. var. bithynicum (Boiss.) and S. spurium Bieb. (Crassulaceae) from Turkey were investigated by GC-MS, and antimicrobial activity of the oil samples were ... -
Chemical constituents and antimicrobial activity of the essential oil from vicia dadianorum extracted by hydro and microwave distillations
The aim of this research was to investigate the influence of extraction methods on yield and chemical composition of the essential oil of Vicia dadianorum Somm. & Lev. The volatiles of V. dadianorum have been isolated by ... -
Chemical profiling and antimicrobial effect of Anatolian honey bee venom
Sönmez, Emine; Kekeçoğlu, Meral; Bozdeveci, Arif; Karaoğlu, Şengül Alpay (Elsevier, 2022)Due to increasing antibiotic resistance, there is an urgent need to find new antibiotic alternatives or supporters for the treatment of disease-causing pathogens. For this reason the aim of the study was examine the ... -
Clinopodium vulgare L. subsp. vulgare Ekstresinin Antioksidan, Antimikrobial, Tirozinaz İnhibitor Aktiviteleri ve RP-HPLC ile Fenolik Bileşiklerinin Araştırılması
Şener, Sıla Özlem; Korkmaz, Nuriye; Akkaya, Şeyda; Badem, Merve; Aliyazıcıoğlu, Rezzan; Özgen, Ufuk; Karaoğlu, Şengül Alpay (2018)Clinopodium vulgare L. subsp. vulgare, Clinopodium cinsine ve Lamiaceae familyasına mensup çok yıllık aromatik otsu bir bitkidir. Bu cins bitkiler sıklıkla geleneksel tedavide kullanılmaktadır. Farklı Clinopodium türlerinin ... -
Comparative essential oil analysis of Calendula arvensis L. extracted by hydrodistillation and microwave distillation and antimicrobial activities
Tosun, Gonca; Yaylı, Büşra; Arslan, Tayfun; Yaşar, Ahmet; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2012)The present study was to investigate the influence of the extraction methods on yield and chemical composition of the essential oil of Calendula arvensis L. The volatiles of C. arvensis have been isolated by hydrodistillation ... -
Comparative evaluation of various herbal extracts on biofilms of Streptococcus mutans and Scardovia wiggsiae: An in vitro study
Demirez Bircan, Zeynep; Aydınoğlu, Sema; Arslan, İpek; Karaoğlu, Şengül Alpay; Yurteri, Emine; Bozdeveci, Arif (Wiley, 2021)Background Owing to their strong antimicrobial properties, Helichrysum arenarium (HA), Anzer thyme (AT), and Stevia rebaudiana (SR) have been commonly used in medicine. Aim This study aimed to evaluate antimicrobial ... -
Comparing the biological properties and chemical profiling of chestnut bee pollen and bee bread collected from Anatolia
Sönmez, Emine; Kekeçoğlu, Meral; Şahin, Hüseyin; Bozdeveci, Arif; Karaoğlu, Şengül Alpay (Springer, 2023)Bee bread (BB) and bee pollen (BP) are accepted as functional food and considered in medical properties due to its important bioactive components. These bee products show different biological properties, but researches on ... -
Comparison of antibacterial and antifungal effects of different varieties of honey and propolis samples
Kolaylı, Sevgi; Palabıyık, İsmail Murat; Atik, Didem Sözeri; Keskin, Merve; Bozdeveci, Arif; Karaoğlu, Şengül Alpay (Akademiai Kiado Zrt, 2020)Honey is the most important bee product. There are many secondary metabolites, carbohydrates, enzymes, and vitamins in honey, thus, honey has antimicrobial activity. in this study, in vitro antimicrobial activity of forty-two ... -
Composition and antimicrobial activity of essential oil from the flower of Rhododendron luteum Sweet
Usta, Asu; Yaylı, Büşra; Kahrinman, Nuran; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2012)Essential oil from air-dried flower of Rhododendron luteum Sweet (Ericaceae), was obtained by hydrodistillation in a Clevenger-type apparatus and analyzed by GC-MS and GC-FID. Sixty-four components were identified in the ... -
Composition and antimicrobial activity of the essential oils from flowers of Senecio othonnae, S. racemosus, and S. nemorensis
Üçüncü, Osman; Kahriman, Nuran; Terzioğlu, Salih; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Natural Product Incorporation, 2010)The chemical composition of the essential oils of Senecio othonnae, S. racemosus, and S. nemorensis obtained by hydrodistillation of fresh flowers were analysed by GC-FID and GC-MS. A total of seventy-six compounds were ... -
Composition of volatile components and biological activities of aethionema diastrophis
Aliyazıcıoğlu, Rezzan; Eyüpoğlu, Ozan Emre; Özgen, Ufuk; Karaoğlu, Şengül Alpay (Springer, 2017)Twenty of the 41 Aethionema species in Turkish Flora are endemic to the country [1]. Various new taxa have since been included, including A. alanyae, A. dumanii, A. acarii, and A. karamanicum [2]. The species described ...
