Yazar "Khan, Ikhlas A." için listeleme
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Analysis of the volatile constituents of Asian Hypericum L. (Clusiaceae, Hyperidoideae) species
Demirci, Betül; Başer, K. Hüsnü Can; Crockett, SL; Khan, Ikhlas A. (Allured Publ Corp, 2005)Of the 57 species of the economically important genus Hypericum (St. John's Wort; Clusiaceae) occurring in China, only a small percentage have been previously phytochemically investigated. As part of our continuing research ... -
Analysis of the volatile constituents of five African and Mediterranean Hypericum L. (Clusiaceae, Hypericoideae) species
Crockett, Sara L.; Demirci, Betül; Başer, K. Hüsnü Can; Khan, Ikhlas A. (Allured Publ Corp, 2007)The volatile constituents of five species of the medicinally and ornamentally valuable genus Hypericurn L. (St. John's Wort; Clusiaceae), with native distributions in Africa and the Mediterranean regions of Europe and Asia, ... -
Antifungal, mosquito deterrent, and larvicidal activity of N-(benzylidene)-3-cyclohexylpropionic acid hydrazide derivatives
Tabanca, Nurhayat; Wedge, David E.; Ali, Abbas; Khan, Ikhlas A.; Kaplancıklı, Zafer Asım; Altıntop, Mehlika Dilek (Springer Birkhauser, 2013)Hydrazone derivatives possess good antifungal and insecticidal activities and their structures are used in pesticide design. In the present study, for the first time, ten hydrazone derivatives (1-10) were evaluated for ... -
Antimicrobial compounds from Pimpinella species growing in Turkey
Tabanca, Nurhayat; Bedir, E; Kırımer, Neşe; Başer, K. Hüsnü Can; Khan, Shabana I.; Jacob, Melissa R.; Khan, Ikhlas A. (Georg Thieme Verlag Kg, 2003)A new, 4-(2-propenyl)-phenyl angelate (1) and four known phenylpropanoids (2-5), were isolated from Pimpinella isaurica, a species endemic in Turkey. One new sesquiterpene, 1-methyl-4-(5-methyl-1-methylenehex-4-enyl)-7-o ... -
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 ... -
Bioassay-Guided Investigation of Two Monarda Essential Oils as Repellents of Yellow Fever Mosquito Aedes aegypti
Tabanca, Nurhayat; Bernier, Ulrich R.; Ali, Abbas; Wang, Mei; Demirci, Betül; Bythe, Eugene K.; Khan, Ikhlas A. (American Chemical Society, 2013)As part of an ongoing research program to identify active mosquito repellents, Monarda bradburiana Beck and Monarda fistulosa L. essential oils showed good repellent activity with minimum effective dosages (MED) of 0.055 ... -
Biological activities and composition of essential oils from the plants grown in the medicinal plant garden at the national center for natural products research
Tabanca, Nurhayat; Weerasooriya, A. D.; Demirci, Betül; Başer, K. Hüsnü Can; Wedge, David E.; Johnson, N.; Khan, Ikhlas A. (Georg Thieme Verlag Kg, 2008)… -
Chemical composition and bioactivity studies of Alpinia nigra essential oils
Ghosh, Sudipta; Özek, Temel; Tabanca, Nurhayat; Ali, Abbas; Rehman, Junaid Ur; Khan, Ikhlas A.; Rangan, Latha (Elsevier Science BV, 2014)Free radical scavenging, bactericidal and bitting deterrent properties of Alpinia nigra essential oils (EOs) were investigated in the present study. Chemical composition of the EOs was analyzed using GC MS/GC-FID which ... -
Chemical Composition and Biological Activity of Essential Oils from Four Nepeta Species and Hybrids against Aedes aegypti (L.) (Diptera: Culicidae)
Ali, Abbas; Tabanca, Nurhayat; Demirci, Betül; Blythe, Eugene K.; Başer, K. Hüsnü Can; Khan, Ikhlas A. (Acg Publications, 2016)Essential oils of four ornamental species and hybrids of Nepeta: N. racemosa Lam. hybrid, Select., N. sibirica L., N. subsessilis Maxim, and N. xfaassenii Bergmans ex Stearn, 'Dropmore were studied for their chemical ... -
Chemical Composition and Biological Activity of Four Salvia Essential Oils and Individual Compounds against Two Species of Mosquitoes
Ali, Abbas; Tabanca, Nurhayat; Demirci, Betül; Blythe, Eugene K.; Ali, Zulfiqar; Başer, K. Hüsnü Can; Khan, Ikhlas A. (American Chemical Society, 2015)The chemical compositions of essential oils obtained from four species of genus Salvia were analyzed by gas chromatography with a flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). The ... -
Chemical Composition and Biting Deterrent Activity of Essential Oil of Tagetes patula (Marigold) against Aedes aegypti
Ali, Abbas; Tabanca, Nurhayat; Amin, Elham; Demirci, Betül; Khan, Ikhlas A. (Natural Products Inc, 2016)The hydrodistilled leaf essential oil (EO) of Tagetes panda L. was analyzed by GC-FID and GC-MS. The main components of the oil were characterized as caryophyllene oxide (18.4%), beta-caryophyllene (18.0%) and spathulenol ... -
Chemical Composition of a New Taxon, Seseli gummiferum subsp ilgazense, and its Larvicidal Activity against Aedes aegypti
Kürkçüoğlu, Mine; Tabanca, Nurhayat; Ali, Abbas; Khan, Ikhlas A.; Duran, Ahmet; Başer, K. Hüsnü Can (Acg Publications, 2018)Mosquitoes are vectors for many pathogens and parasites that cause human diseases including dengue, yellow fever, West Nile, chikungunya, filariasis and malaria which cause high rates of human morbidity and mortality under ... -
Chemical composition of a new taxon, Seseli gummiferum subsp. ilgazense, and its larvicidal activity against Aedes aegypti
Kürkçüoğlu, Mine; Tabanca, Nurhayat; Ali, Abbas; Khan, Ikhlas A.; Duran, Ahmet; Başer, K. Hüsnü Can (ACG Publications, 2017)Mosquitoes are vectors for many pathogens and parasites that cause human diseases including dengue, yellow fever, West Nile, chikungunya, filariasis and malaria which cause high rates of human morbidity and mortality under ... -
Chemical composition, biting deterrent, antimalarial and antimicrobial activity of essential oil from Hypericum scabrum L
Tabanca, Nurhayat; Demirci, Betül; Ali, Abbas; Khan, Shabana I.; Jacob, Melissa R.; Aytaç, Zeki; Khan, Ikhlas A. (Bentham Science Publishers B.V., 2015)Water-distilled essential oil from aerial parts of Hypericum scabrum L. (Hypericaceae) collected from the central part of Turkey was analyzed by GC/MS. It was characterized by ?-pinene (74%), ß-pinene (4.8%) and myrcene ... -
Chemical Composition, Larvicidal, and Biting Deterrent Activity of Essential Oils of Two Subspecies of Tanacetum argenteum (Asterales: Asteraceae) and Individual Constituents Against Aedes aegypti (Diptera: Culicidae)
Ali, Abbas; Tabanca, Nurhayat; Kürkçüoğlu, Mine; Duran, Ahmet; Blythe, Eugene K.; Khan, Ikhlas A.; Başer, K. Hüsnü Can (Entomological Soc Amer, 2014)Water-distilled essential oils from dried aerial parts of Tanacetum argenteum (Lam.) Willd. subsp. argenteum (Lam.) and T. argenteum (Lam.) Willd. subsp. canum (C. Koch) Grierson were analyzed by gas chromatography and gas ... -
Comparative Investigation of Umbellularia californica and Laurus nobilis Leaf Essential Oils and Identification of Constituents Active against Aedes aegypti
Tabanca, Nurhayat; Avonto, Cristina; Wang, Mei; Parcher, Jon F.; Ali, Abbas; Demirci, Betül; Khan, Ikhlas A. (American Chemical Society, 2013)Umbellularia californica (California bay laurel) and Laurus nobilis (Mediterranean bay laurel) leaves may be mistaken or used as a substitute on the market due to their morphological similarity. In this study, a comparison ... -
Determination of repellent efficacy of natural compounds
Bernier, Ulrich; Tabanca, Nurhayat; Khan, Ikhlas A.; Blythe, Eugene K.; Demirci, Betül; Tsikolia, Maia; Wedge, David E. (American Chemical Society, 2012)… -
Essential Oils of Echinophora lamondiana (Apiales: Umbelliferae): A Relationship Between Chemical Profile and Biting Deterrence and Larvicidal Activity Against Mosquitoes (Diptera: Culicidae)
Ali, Abbas; Tabanca, Nurhayat; Özek, Gülmira; Özek, Temel; Aytaç, Zeki; Bernier, Ulrich R.; Khan, Ikhlas A. (Oxford University Press Inc, 2015)The essential oils from the flower, leaf, and stem of Echinophora lamondiana B. Yildiz et Z. Bahcecioglu were analyzed by gas chromatography-flame ionization detection and gas chromatography-mass spectrometry. In total, ...