Ara
Toplam kayıt 203, listelenen: 71-80
A seasonal variation study of the chemical composition and antimicrobial activity of the essential oil of Agathosma ovata (Thunb.) Pillans (Rutaceae)
(Allured Publ Corp, 2006)
A seasonal variation study was performed on the chemical composition of the essential oil of Agathosma ovata (Rutaceae). In addition, this study looked at how variations may impact the antimicrobial activity of A. ovata. ...
Isolation of natural products by preparative gas chromatography
(2012)
Chromatography is a process for the separation of compounds from the mixtures. Gas chromatography (GC) is one of the most important and common techniques in separation science. The main focus of this chapter is to demonstrate ...
Composition of the essential oil of hippomarathrum cristatum (dc.) boiss
(2007)
Water distilled essential oil of Hippomarathrum cristatum (DC.) Boiss. (Umbelliferae) fruits used as a condiment in food products traditionally was analyzed by GC and GC/MS methods. Eighty compounds were characterized ...
Chemical and Biological Diversity of the Leaf and Rhizome Volatiles of Acorus calamus L. from Turkey
(Taylor & Francis LTD, 2017)
Two different isolation techniques, conventional hydrodistillation (HD) and micro-steam distillation-solid-phase microextraction (MSD-SPME), have been used to analyze the volatile constituents from the leaves and rhizomes ...
Investigation of Galatella villosa and G. tatarica for Antioxidant, alpha-Amylase, Tyrosinase, Lipoxygenase and Xanthine Oxidase Inhibitory Activities
(Natural Products Inc, 2017)
In the present work two Galatella species, Galatella villosa Rchb.f. and Galatella tatarica (Less.) Novopokr collected from Kazakhstan were subjected to hydrodistillation to yield essential oils (EOs), and to maceration ...
Essential oils composition of Juniperus drupacea Lab. leaf from Turkey
(University of Istanbul, 2009)
The fine chemical compositions of the essential oils of J. drupacea leaves growing in southern Anatolia have been investigated. In order to find out whether any chemical change happens in the leaves of J.drupacea due to ...
Comparison of hydrodistillation and microdistillation methods for the analysis of fruit volatiles of Prangos pabularia Lindl., and evaluation of its antimicrobial activity
(Elsevier Science BV, 2007)
The volatile constituents of Prangos pabularia Lindl. fruits (Umbelliferae) were obtained by hydrodistillation (HD) and microdistillation (MD) techniques, and then analyzed by gas chromatography (GC) and gas chromatography-mass ...
Composition and antimicrobial activity of the essential oils of calamintha betulifolia boiss. et bal
(2007)
The water distilled essentials oil from the aerial parts of Calamintha betulifolia Boiss. et Bal. collected from three different localities in Turkey were analyzed by GC and GC/MS. Fifty six to seventy nine components ...
Essential Oils of Echinophora lamondiana (Apiales: Umbelliferae): A Relationship Between Chemical Profile and Biting Deterrence and Larvicidal Activity Against Mosquitoes (Diptera: Culicidae)
(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, ...
Composition of the essential oils of two Adenandra species from South Africa
(Allured Publ Corp, 2006)
Hydrodistilled essential oils from the herbal parts of Adenandra obtusata Sond. and A. villosa (P.J.Bergius) Licht. ex Roem. et Schult. were analyzed by GC and GC/MS. Thirty-seven compounds were characterized in the oil ...