Güncel Gönderiler: Farmakognozi Anabilim Dalı
Toplam kayıt 594, listelenen: 81-100
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Opportunities and threats for biological screening of medicinal plants: Importance for the pharmaceutical industries in developing countries
(2008)Importance of medicinal plants has been continually increasing both for pharmaceutical industry and traditional users. This review outlines opportunities and threats for biological screening of medicinal plants, focusing ... -
Chemical composition and biological evaluation of the essential oil of Commiphora opobalsamum L.
(2008)The chemical composition of three essential oil samples (stored aerial parts, fresh aerial parts, and fresh flowering tops) of Commiphora opobalsamum L., obtained by hydrodistillation, was determined using GC-MS analysis. ... -
Acaricidal efficacy of Origanum onites L. essential oil against Rhipicephalus turanicus (Ixodidae)
(Springer Verlag, 2008)Essential oils that were extracted by steam distillation from Origanum onites L. from northwest Turkey were analyzed using an Agilent GC-MSD system. Carvacrol was the major component (64.3%) of the oil. Both pure commercial ... -
Composition of essential oil of Cuminum cyminum L. according to harvesting times
(2007)The cumin (Cuminum cyminum L.) is an annual plant of Apiaceae. It is generally used as a food additive for increasing the flavour of different food preparations. The fruits (often called seed )are rich in essential oil ... -
Chemistry of essential oils
(Springer Berlin Heidelberg, 2007)Essential oil, also defined as essence, volatile oil, etheric oil or aetheroleum, is a complex mixture of volatile constituents biosynthesised by living organisms. Essential oils can be liberated from their matrix by water, ... -
Characterization and Biological Activity of Achillea teretifolia Willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek Essential Oils
(2009)The aerial parts of the endemic Achillea teretifolia Willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek collected from Beysehir were investigated for their essential oil compositions and several biological ... -
Essential oil composition of hypericum thymopsis sboiss
(2009)The composition of the essential oil obtained from the aerial parts of Hypericum thymopsis Boiss. (Guttiferae) was analyzed by GC and GC/MS. The analysis resulted in the identification of 72 compounds representing 82.4% ... -
Antifungal and insecticidal activity of two Juniperus essential oils
(2009)Essential oils of two Tibetan Junipers Juniperus saltuaria and J. squamata var. fargesii (Cupressaceae) were obtained by distilling dried leaves and branches using a Clevenger apparatus. Sixty-seven compounds from J. ... -
Determination of quality specifications of origanum vulgare subsp. hirtum populations growing in marmara region of turkey
(International Society for Horticultural Science, 2009)Herbal parts and seeds of Origanum vulgare subsp. hirtum samples from populations growing in the Marmara region of Turkey have been collected. They were raised at the demonstration garden of Atatürk Central Horticultural ... -
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 ... -
Chemical composition and antimicrobial activity of the essential oils of Lavandula stoechas L. ssp. stoechas growing wild in Turkey
(2009)The chemical compositions of the essential oils obtained by hydrodistillation from the dried leaves and flowers of Lavandula stoechas L. ssp. stoechas were separately identified by GC-FID and GC-MS analyses. The main ... -
Eupatorium capillifolium essential oil: Chemical composition, antifungal activity, and insecticidal activity
(Natural Product Incorporation, 2010)Natural plant extracts often contain compounds that are useful in pest management applications. The essential oil of Eupatorium capillifolium (dog-fennel) was investigated for antifungal and insecticidal activities. Essential ... -
Comparison of the essential oils from fruits and roots of prangos denticulata fisch. et Mey. Growing in Turkey
(2010)Water-distilled essential oils of the fruits and roots of Prangos denticulata Fisch. et Mey. were analyzed by GC-FID and GC/MS. The fruit oil yielded 121 components representing 95.2% of the oil; the root oil yielded 70 ... -
Composition and antibacterial activity of the essential oil of ferulago confusa velen
(2010)Water-distilled essential oil from the crushed fruits of Ferulago confusa Velen, collected from Bursa: Keles-Orhaneli in Turkey, was analyzed by GC and GC/MS. Ninety-one components were identified representing 99.5% of the ... -
Antibacterial activity and composition of the essential oils of two endemic Salvia sp. from Turkey
(2010)Water-distilled essential oils from dried aerial parts of Salvia cryptantha and Salvia heldreichiana (Lamiaceae), endemic in Turkey, were analysed using gas chromatography-mass spectrometry (GC-MS). Camphor (19.1%), ... -
Effect of oregano essential oil on biofilms formed by staphylococci and Escherichia coli
(2010)In the present study, it was aimed to investigate the effect of oregano (Origanum onites) essential oil (EO) on biofilm formation and established biofilm. Staphylococcus aureus (n=6), Staphylococcus lugdunensis (n=1), ... -
Biotransformation of ?-cedrol and caryophyllene oxide by the fungus Neurospora crassa
(2010)Incubation of ?-cedrol and caryophyllene oxide with Neurospora crassa afforded 12ß-hydroxy cedrol, 10?-hydroxy cedrol, and 3?-hydroxy cedrol, and 12ß-hydroxy caryophyllene oxide as major metabolites, respectively. The ... -
Effects of different organic manure applications on the essential oil components of Turkish sage (Salvia fruticosa Mill.)
(2010)The effects of different organic manure applications on chemical composition of essential oils of sage (Salvia fruticosa Mill.) were investigated. Cattle, sheep and poultry manure were used. The essential oil yields increased ... -
Thalivarmine and thalsivasine: Two new bisbenzylisoquinoline alkaloids from Thalictrum minus var. minus
(1985)[No abstract available] -
Essential oil composition of endemic Centaurea tchihatcheffii fisch. and mey. from Turkey
(2010)The essential oil obtained by hydrodistillation from endemic Centaurea tchihatcheffii Fisch. & Mey. (Asteraceae) from Turkey was analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS), ...
