Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 281, listelenen: 241-260
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Composition of the essential oil of Plumeria obtusa L.
(John Wiley & Sons LTD, 1999)The essential oil of fresh flowers of Plumeria obtusa L. collected in Brunei Darussalam was isolated by hydrodistillation and examined by GC-MS. Forty-seven components were identified, representing 97% of the oil, with ... -
Supercritical CO2 extraction of volatile components from leaves of Laurus nobilis L.
(Akademiya Nauk Uzbekskoi Ssr, 1998)Comparative investigation of the chemical compositions of volatile components from leaves of Laurus nobilis obtained by the supercritical CO2 extraction and the hydro- and seam distillation was carried out. -
Biotransformation of (-)-alpha-pinene by Botrytis cinerea
(Verlag Z Naturforsch, 2002)(-)-alpha-Pinene (1), a major constituent of many aromatic plants was biotransformed by the plant pathogenic fungus, Botrytis cinerea to afford three new metabolites, characterized as 3beta-hydroxy-(-)-beta-pinene (10%) ... -
Composition of the essential oils of Galium aparine L. and Gallium odoratum (L.) Scop. from Turkey
(Allured Publ Corp, 2004)Water distilled essential oils from aerial parts of Galium aparine and Galium odoratum collected from Ankara and Kastamonu were analyzed by GC/MS. Seventy-two compounds representing 64.7% of the essential oil G. aparine, ... -
The essential oil of Acinos alpinus (L.) Moench growing in Turkey
(John Wiley & Sons LTD, 1999)Water-distilled essential oils of nine samples of Acinos alpinus (L.) Moench, collected from the Aegean region of Turkey, were analysed by GC-MS. One-hundred-and-twenty compounds, which amounted to 84.4-92.8% of the total ... -
Essential oils of Acinos troodi (Post) Leblebici subsp. vardaranus Leblebici and subsp. grandiflorus Hartvig & Strid
(John Wiley & Sons LTD, 1999)Water-distilled essential oils of two subspecies of Acinos troodi (Post) Leblebici, namely, subsp. vardaranus Leblebici and subsp. grandiflorus Hartvig & Strid, both of which are endemic taxa in Turkey, were analysed by ... -
A new bisabolene derivative from the essential oil of Prangos uechtritzii fruits
(Georg Thieme Verlag Kg, 2000)The fruits of endemic Prangos uechtritzii Boiss. & Hausskn. (Umbelliferae) were subjected to hydrodistillation and microdistillation. The resulting volatiles were investigated by CC-MS to determine the composition of the ... -
Composition of essential oils from two varieties of Salvia aucheri Benth. growing in Turkey
(Allured Publ Corp, 2002)Water-distilled essential oils from the aerial parts of two endemic varieties of Salvia aucheri from Turkey were analyzed by GC/MS. Eighty components were characterized in the Salvia aucheri var. aucheri oil, with camphor ... -
The essential oil of Acinos suaveolens (Sm.) G. Don fil. Acinos arvensis (Lam.) Dandy and Acinos rotundifolius Pers. growing wild in Turkey
(John Wiley & Sons LTD, 1999)In this study, water-distilled essential oil of three species of Acinos Miller (Lamiaceae) were analysed by GC-MS. Oils from A. suaveolens (Sm.) G. Don fil. were found to contain pulegone (23.2-80.7%) and isomenthone ... -
Investigation of Origanum onites, Sideritis congesta and Satureja cuneifolia essential oils for analgesic activity
(John Wiley & Sons LTD, 1996)Essential oils, obtained by Clevenger distillation, of Sideritis congesta P. H. Davis et Hub.Mor., Satureja cuneifolia Ten. and Origanum onites L. collected from two different localities were investigated for their analgesic ... -
The composition of essential oils from two varieties of Sideritis erythrantha var. erythrantha and var. cedretorum
(Scientific Technical Research Council Turkey, 2001)Water distilled essential oils from two varieties of Sideritis erythrantha: var. erythrantha and var. cedretorum, both endemic in Turkey, were analysed by GC/MS. The main components were characterized as alpha -pinene ... -
Testing the antidepressant effects of hypericum species on animal models
(Georg Thieme Verlag, 1997)This paper summarizes the antidepressant effects of certain Hypericum species on animal models. Although there are many drugs in clinical use for the management of human depression, most of the antidepressant drugs have ... -
Study of the essential oil composition of two subspecies of Abies cilicica (Ant. et Kotschy) Carr. from Turkey
(John Wiley & Sons LTD, 1999)The essential oil composition of two subspecies of Abies cilicica (taurus fir) from southern Turkey was investigated. CC-MS analysis of the oils of subsp. cilicica and subsp. isaurica from young shoots showed some qualitative ... -
Compositions of the essential oils of four Helichrysum species from Madagascar
(Allured Publ Corp, 2002)The chemical composition of four commercially available Helichrysum oils obtained from, H. bracteiferum (DC.) Humbert, H. cordifolium DC. H. hypnoides (DC.) R. Vig et Humbert and H. rusillonii Hochr., respectively of ... -
Composition of essential oils from two endemic Sideritis species of Turkey
(Plenum Publ Corp, 1999)The genus Sideritis is represented in Turkey by 46 species and altogether 53 taxa of these being endemic in Turkey (74%) [1-3]. -
Choleretic Activity of Gentiana lutea ssp. symphyandra in rats
(Elsevier GMBH, Urban & Fischer Verlag, 1998)Effects of an ethanolic extract prepared from G. lutea ssp. symphyandra roots on the bile production and liver in rats were investigated. Bile flows of rats which were treated by a single i.p. dose of CCl4 24 h prior to ... -
Selective preconcentration of thorium in the presence Of UO22+, Ce3+ and La3+ using Th(IV)-imprinted polymer
(Elsevier Science BV, 2005)We have prepared Th(IV) ion-imprinted polymers, which can be used for the selective preconcentration of Th(W) ions, represented by uranium and lanthanides. N-methaeryloyl-(L)-glutamic acid (MAGA) was chosen as the complexing ... -
Flavonoids in the Endemic Species of Alchemilla L., (Section Alchemilla L. Subsection Calycanthum Rothm. Ser. Elatae Rothm.) From North-East Black Sea Region in Turkey.
(Pakistan Botanical Soc, 2012)This study was undertaken to determine the flavonoids in the species of genus Alchemilla L. section Alchemilla L. subsection Calycanthum Rothm. Ser. Elatae Rothm., using the identification techniques such as high performance ... -
FT-IR spectroscopic investigation of some Hofmann type complexes: M(2-(1-Cyclohexenyl)ethylamine)(2)Ni(CN)(4) (M = Ni, Co)
(Elsevier Science BV, 2008)New Hofmann type complexes in the form of M(CyHEA)(2)Ni(CN)(4) (where CyHEA = 2-(1-cyclohexenyl)ethylamine; M = Ni or Co) have been prepared in powder form and their infrared spectra have been reported in the range of ... -
8-OHdG sensing with MIP based solid phase extraction and QCM technique
(Elsevier Science Sa, 2009)8-Hydroxy-2'-deoxyguanosine (8-OHdG) is one of the most abundant oxidative DNA lesions resulting from reactive oxygen species (ROS). The routine measurement of 8-OHdG in biologic samples is a difficult analytical problem ...