Yazar "Wedge, David E." için Makale Koleksiyonu listeleme
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Antifungal and Insecticidal Activity of two Juniperus Essential Oils
Wedge, David E.; Tabanca, Nurhayat; Sampson, Blair J.; Werle, Christopher; Demirei, Betül; Başer, K. Hüsnü Can; Liu, Zhijun (Natural Products Inc, 2009)Essential oils of two Tibetan Junipers Juniperus saltuaria and J. squamata var. fargesii (Cupressaceae) were obtained by distilling dried leaves and branches using a Clevenger apparatus. Sixty-seven compounds from J saltuaria ... -
Antifungal and insecticidal activity of two Juniperus essential oils
Wedge, David E.; Tabanca, Nurhayat; Sampson, Blair J.; Werle, Christopher; Demirci, Betül; Başer, K. Hüsnü Can (2009)Essential oils of two Tibetan Junipers Juniperus saltuaria and J. squamata var. fargesii (Cupressaceae) were obtained by distilling dried leaves and branches using a Clevenger apparatus. Sixty-seven compounds from J. ... -
Bioactive constituents from Turkish Pimpinella species
Tabanca, Nurhayat; Bedir, E; Ferreira, D; Slade, D; Wedge, David E.; Jacob, Melissa R.; Khan, Ikhlas A. (Wiley-V C H Verlag GMBH, 2005)A new 'phenylpropanoid', 4-(3-methyloxiran-2-yl)phenyl 2-methylbutanoate (1), a new trinorsesquiterpene, 4-(6-methylbicyclo[4.1.0]hept-2-en-7-yl)butan-2-one (2), and eight known compounds (3-10) were isolated from the ... -
Bioactivity-Guided Fractionation and GC/MS Fingerprinting of Angelica sinensis and Angelica archangelica Root Components for Antifungal and Mosquito Deterrent Activity
Wedge, David E.; Klun, Jerome A.; Tabanca, Nurhayat; Demirci, Betül; Özek, Temel; Başer, K. Hüsnü Can; Zhang, Jian (American Chemical Society, 2009)Bioassay-guided fractionation of the chloroform extract from the roots of Angelica sinensis led to isolation and characterization of (Z)-ligustilide using direct-bioautography with Colletotrichum species. The structure of ... -
Biological Evaluation, Overpressured Layer Chromatography Separation, and Isolation of a New Acetylenic Derivative Compound from Prangos platychlaena ssp platychlaena Fruit Essential Oils
Tabanca, Nurhayat; Wedge, David E.; Li, Xing-Cong; Gao, Zengping; Özek, Temel; Bernier, Ulrich R.; Özek, Gülmira (Akademiai Kiado Zrt, 2018)In the present work, fruits of Prangos platychlaena Boiss. ex Tchihat. ssp. platychlaena (Apiaceae) collected from eastern (sample A) and central (sample B) parts of Turkey were subjected to hydrodistillation to yield ... -
Biting Deterrence, Repellency, and Larvicidal Activity of Ruta chalepensis (Sapindales: Rutaceae) Essential Oil and Its Major Individual Constituents Against Mosquitoes
Ali, Abbas; Demirci, Betül; Kıyan, Hülya Tuba; Bernier, Ulrich R.; Tsikolia, Maia; Wedge, David E.; Tabanca, Nurhayat (Entomological Soc Amer, 2013)The essential oil from aerial parts of Ruta chalepensis L. (Sapindales: Rutaceae) was obtained by hydrodistillation, and its chemical profile was identified using gas chromatography and gas chromatography-mass spectrometry. ... -
Characterization of volatile constituents of Scaligeria tripartita and studies on the antifungal activity against phytopathogenic fungi
Tabanca, Nurhayat; Demirci, Betül; Başer, K. Hüsnü Can; Mincsovics, Emil; Khan, Shabana I.; Jacob, Melissa R.; Wedge, David E. (Elsevier Science BV, 2007)The chemical composition of the essential oils obtained from stems and leaves, fruits and roots of Scaligeria tripartita oil was analyzed by gas chromatography-mass spectrometry. A total of 38 compounds were identified ... -
Chemical composition and antifungal activity of Angelica sinensis essential oil against three Colletotrichum species
Tabanca, Nurhayat; Wedge, David E.; Wang, Xiaoning; Demirci, Betül; Başer, K. Hüsnü Can; Zhou, Ligang; Cutler, Stephen J. (Natural Products Inc, 2008)Chemical fungicides are an important component in disease management for most crops. As part of a program to discover natural product-based fungicides, several sensitive assay systems have been developed for the evaluation ... -
Chemical composition and antifungal activity of Arnica longifolia, Aster hesperius, and Chrysothamnus nauseosus essential oils
Tabanca, Nurhayat; Demirci, Betül; Crockett, Sara. L.; Başer, K. Hüsnü Can; Wedge, David E. (American Chemical Society, 2007)Essential oils from three different Asteraceae obtained by hydrodistillation of aerial parts were analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC/MS). Main compounds obtained from each taxon ... -
Chemical composition and antifungal activity of Salvia macrochlamys and Salvia recognita essential oils
Tabanca, Nurhayat; Demirci, Betül; Başer, K. Hüsnü Can; Aytaç, Zeki; Ekici, Murat; Khan, Shabana I.; Wedge, David E. (American Chemical Society, 2006)Essential oils of Salvia macrochlamys and Salvia recognita were obtained by hydrodistillation of dried aerial parts and characterized by gas chromatography and gas chromatography-mass spectrometry. One hundred and twenty ... -
Chemical Composition, Antifungal and Insecticidal Activities of Hedychium Essential Oils
Sakhanokho, Hamidou F.; Sampson, Blair J.; Tabanca, Nurhayat; Wedge, David E.; Demirci, Betül; Başer, K. Hüsnü Can; Spiers, James M. (MDPI, 2013)The antimicrobial properties of essential oils have been documented, and their use as "biocides" is gaining popularity. The aims of this study were to analyze the chemical composition and assess the biological activities ... -
Composition, enantiomeric distribution, and antimicrobial activity of Tanacetum argenteum subsp flabellifolium essential oil
Tabanca, Nurhayat; Demirci, Fatih; Demirci, Betül; Wedge, David E.; Başer, K. Hüsnü Can (Pergamon-Elsevier Science LTD, 2007)Tanacetum argenteum (Lam.) Willd. subsp.flabellifolium, (Boiss. & Heldr.) Grierson of Asteraceae is an endemic species in Turkey. Hydrodistillation of aerial parts using a Clevenger apparatus yielded an essential oil, which ... -
Composition, Mosquito Larvicidal, Biting Deterrent and Antifungal Activity of Essential Oils of Different Plant Parts of Cupressus arizonica var. glabra ('Carolina Sapphire')
Ali, Abbas; Tabanca, Nurhayat; Demirci, Betül; Başer, K. Hüsnü Can; Ellis, Jane; Gray, Sandra; Wedge, David E. (Natural Products Inc, 2013)Essential oils obtained by hydrodistillation of female cones (FC), male cones (MC), needle-twigs (NT) and wood-bark (WB) of 'Carolina Sapphire' [Cupressus arizonica var glabra (Sudw.) Little] were analyzed simultaneously ... -
Enantiomeric Distribution of Some Linalool Containing Essential Oils and Their Biological Activities
Özek, Temel; Tabanca, Nurhayat; Demirci, Fatih; Wedge, David E.; Başer, K. Hüsnü Can (Acg Publications, 2010)The enantiomeric composition of linalool was determined in 42 essential oils using chiral columns. Essential oils were analyzed by multidimentional gas chromatography-mass spectrometry using a non-chiral and chiral FSC ... -
Essential Oil Composition of Five Collections of Achillea biebersteinii from Central Turkey and their Antifungal and Insecticidal Activity
Tabanca, Nurhayat; Demirci, Betül; Gürbüz, İlhan; Demirci, Fatih; Becnel, James J.; Wedge, David E.; Başer, K. Hüsnü Can (Natural Products Inc, 2011)The composition of the essential oils hydrodistilled from the aerial parts of five Achillea biebersteinii Afan samples, collected in central Turkey from Konya, Isparta and Ankara, were analyzed both by gas chromatography ... -
Essential oil composition of five collections of Achillea biebersteinii from central Turkey and their antifungal and insecticidal activity
Tabanca, Nurhayat; Demirci, Betül; Gürbüz, İlhan; Demirci, Fatih; Becnel, James J.; Wedge, David E.; Başer, K. Hüsnü Can (2011)The composition of the essential oils hydrodistilled from the aerial parts of five Achillea biebersteinii Afan samples, collected in central Turkey from Konya, Isparta and Ankara, were analyzed both by gas chromatography ... -
Essential oils of Cupressus funebris, Juniperus communis, and J. chinensis (Cupressaceae) as repellents against ticks (Acari: Ixodidae) and mosquitoes (Diptera: Culicidae) and as toxicants against mosquitoes
Carroll, John F.; Tabanca, Nurhayat; Kramer, Matthew; Elejalde, Natasha M.; Wedge, David E.; Bernier, Ulrich R.; Zhang, Sui (Soc Vector Ecology, 2011)Juniperus communis leaf oil, J. chinensis wood oil, and Cupressus funebris wood oil (Cupressaceae) from China were analyzed by gas chromatography and gas chromatography-mass spectrometry. We identified 104 compounds, ... -
Eupatorium capillifolium Essential Oil: Chemical Composition, Antifungal Activity, and Insecticidal Activity
Tabanca, Nurhayat; Bernier, Ulrich R.; Tsikolia, Maia; Becnel, James J.; Sampson, Blair; Werle, Chris; Wedge, David E. (Natural Products Inc, 2010)Natural plant extracts often contain compounds that are useful in pest management applications. The essential oil of Eupatorium capillifolium (dog-fennel) was investigated for antifungal and insecticidal activities. Essential ... -
Eupatorium capillifolium essential oil: Chemical composition, antifungal activity, and insecticidal activity
Tabanca, Nurhayat; Bernier, U. R.; Tsikolia, M.; Becnel, James J.; Sampson, B.; Werle, C.; Wedge, David E. (Natural Product Incorporation, 2010)Natural plant extracts often contain compounds that are useful in pest management applications. The essential oil of Eupatorium capillifolium (dog-fennel) was investigated for antifungal and insecticidal activities. Essential ... -
Gas chromatographic-mass spectrometric analysis of volatiles obtained by four different techniques from Salvia rosifolia Sm., and evaluation for biological activity
Özek, Gülmira; Demirci, Fatih; Özek, Temel; Tabanca, Nurhayat; Wedge, David E.; Khan, Shabana I.; Hamzaoğlu, Ergin (Elsevier Science BV, 2010)Four different isolation techniques, conventional hydrodistillation (HD), microwave-assisted hydrodistillation (MWHD), microdistillation (MD) and micro-steam distillation-solid-phase microextraction (MSD-SPME), have been ...