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Toplam kayıt 13, listelenen: 1-10
Bioassays on Periploca graeca L. (Silk vine)
(1998)
Silk vine, Periploca graeca L. (Asclepiadaceae) which is a poisonous plant, was collected in July 1997 from Eskisehir (Asagi Kuplu-Mayislar Village). The methanolic extracts of the air dried leaves and twigs were separately ...
Betulenols from Betula species
(Georg Thieme Verlag, 2000)
The essential oils from buds of five Betula species growing in Turkey were investigated by CC-MS. A major component in the essential oils was shown to be 14-hydroxy-beta-caryophyllene (6). The structure of beta-betulenal ...
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 ...
New caryophyllene derivatives from Betula litwinowii
(American Chemical Society, 2000)
Four new caryophyllene derivatives- 14-hydroxy-4,5-dihydro-beta-caryophyllene (1), 14-acetoxy-4,5 -dihydro-beta-caryophyllene (2), 4,5-dihydro-beta-caryophyllene-14-al (3), and caryophylla-8(14)-en-5-one (4)-are reported ...
Composition of the essential oil of Cotinus coggygria Scop. from Turkey
(John Wiley & Sons LTD, 2003)
The oil from leaves of Cotinus coggygria Scop. (Anacardiaceae) obtained by hydrodistillation was analysed by GC-MS. Forty-two components were characterized, representing 99.6% of the total components detected. The major ...
Ferulagone: A new monoterpene ester from Ferulago thirkeana essential oil
(Georg Thieme Verlag Kg, 2002)
Essential oil obtained by micro-distillation and hydrodistillation of the endemic Ferulago thirkeana (Boiss.) Boiss. (Apiaceae) was analysed by GC/MS. An unknown component isolated from the essential oil was characterized ...
Antimicrobial activities of Ferulago essential oils
(Verlag Z Naturforsch, 2000)
Essential oils from Ferulago asparagifolia Boiss., F. galbanifera (Miller) W. Koch, F. humilis Boiss. (Endemic), F. trachycarpa Boiss. growing in Turkey were evaluated against 15 microorganisms for their antifungal and ...
The composition and antifungal bioassay of the essential oils of different Betula species growing in Turkey
(Consultants Bureau, 2000)
Five Betula species, B. pendula, B. browicziana, B. medwediewii, B. litwinowii, and B. recurvata, were collected from different parts of Turkey. The leaves of these species were hydrodistilled to yield the consequent ...
Screening of biotransformation products of carvone enantiomers by headspace-SPME/GC-MS
(Verlag Z Naturforsch, 2001)
In the course of our continuing work on transformation of monoterpenes by microorganisms, the biotransformation of (+)- and (-)-carvone was carried out. The metabolites formed during microbial transformations were screened ...
Essential oil constituents of the spice Cinnamomum tamala (Ham.) Nees & Eberm.
(John Wiley & Sons LTD, 2000)
Water-distilled essential oil of Cinnamomum tamala (Ham.) Nees & Eberm. (Lauraceae) leaves was analysed by CC-MS. Sixty-three compounds, representing 94.3% of the oil, were identified. beta -Caryophyllene (25.3%), linalool ...