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Toplam kayıt 84, listelenen: 1-10
Composition of the essential oils of Angelica sylvestris L. var. sylvestris isolated from the fruits by different isolation techniques
(Allured Publ Corp, 2008)
The essential oils of the fruits of Angelica sylvestris L.var.sylvestris (Umbelliferae) obtained using hydrodistillation (HD), nucrodistillation (MD) and micro-steam distillation-solid-phase microextraction (MSD-SPME) ...
Head-space volatiles of Gethyllis afra and G. ciliaris fruits ("kukumakranka")
(Elsevier Science BV, 2008)
The head-space volatiles of Gethyllis afra and G. ciliaris fruits collected in the South Western Cape Province of South Africa were analysed by solid phase micro-extraction (SPME) followed by gas chromatography coupled to ...
Composition of the essential oils of three Acmadenia species from South Africa
(Allured Publ Corp, 2006)
Hydrodistilled essential oils from the leaves of Acmadenia alternifolia Cham., A. obtusata (Thunb.) Batl. et H.L. Wendle and A. sheilae I. Williams were analyzed by GC and GC/MS. Twenty-two compounds were characterized in ...
The Identification of Suberosin from Prangos pabularia Essential Oil and Its Mosquito Activity Against Aedes aegypti
(Acg Publications, 2016)
A detailed analysis of Prangos pabularia Lindl. (Apiaceae) fruit oil was performed by gas chromatography (GC-FID) and gas chromatography-mass spectrometry (GC-MS). Bicyclogermacrene (21%), (Z)-beta-ocimene (19%), alpha-humulene ...
Distillation Parameters for Pilot Plant Production of Laurus nobilis Essential oil
(Acg Publications, 2012)
Essential oils have increasing importance in flavour and fragrance industries. They are obtained by distillation techniques. In order to produce an oil with market potential its optimum production parameters have to be ...
Biological Evaluation, Overpressured Layer Chromatography Separation, and Isolation of a New Acetylenic Derivative Compound from Prangos platychlaena ssp platychlaena Fruit Essential Oils
(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 ...
Studies on the Volatile Oils of Momordica charantia L. (Cucurbitaceae) and Phyllanthus amarus Sch et Thonn (Euphorbiaceae)
(Allured Publ Corp, 2009)
The oils obtained from the aerial shrubs of Momordica charantia L. and Phyllanthus amarus Sell. et Thonn from Nigeria, were analyzed for their constituents by means of gas chromatography (GC) and gas chromatography coupled ...
11-Hydroxy-2,4-cycloeudesmane from the Leaf Oil of Juglans regia and Evaluation of its Larvicidal Activity
(Sage Publications Inc, 2016)
Leaves of Juglans regia L. collected from two different locations [Adana (A) and Ankara (BA from Turkey were subjected to hydrodistillation in a Clevenger type apparatus to yield the essential oils (EOs). GC/MS and GC-FID ...
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 ...