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Toplam kayıt 210, listelenen: 201-210
One-step multiple component isolation from the oil of Crinitaria tatarica (Less.) Sojak by preparative capillary gas chromatography with characterization by spectroscopic and spectrometric techniques and evaluation of biological activity
(Wiley-V C H Verlag GMBH, 2012)
Gas chromatographic analysis revealed that the oil of Crinitaria tatarica was rich in sabinene (32.1%), beta-pinene (8.8%), and two unknown (M+200) compounds (I) and (II) (21.4% and 3.4%). One-step multiple fractionation ...
Composition and antimicrobial activity of the oils of Ferula szowitsiana DC. from Turkey
(Taylor & Francis Inc, 2008)
The essential oils from the leaves and steins of Ferula szowitsiana DC. (Umbelliferae) were separately obtained by hydrodistillation and then analyzed by GC and GC/MS methods. The oil yields were 0.4% and 0.05%, respectively. ...
Antimicrobial activities of methanol extracts and essential oils of Rosmarinus officinalis, depending on location and seasonal variations
(Elsevier Sci LTD, 2007)
Rosmarinus officinalis is widely found in the lands of Aegean and Mediterranean regions of Turkey. The goal of this work was to test the antimicrobial activity of the essential oils and methanolic extracts of R. officinalis ...
Essential oils of three species of Heracleum. Anticandidal activity
(Springer, 2004)
Fruits of Heracleum crenatifolium Boiss., Heracleum sphondylium L subsp. ternatum (Velen.) Brummitt, and Heracleum platytaenium Boiss. (Umbelliferae) were hydrodistilled to obtain essential oils that were then analyzed by ...
Essential Oil Composition of Gmelina arborea Roxb., Verbenaceae, From Nigeria
(Allured Publ Corp, 2009)
The chemical composition of the fruit oil of Gmelina arborea Roxb., Verbenaceae, was examined by capillary gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). One hundred components were identified ...
Chemical Diversity in Volatiles of Helichrysum plicatum DC. Subspecies in Turkey
(Acg Publications, 2014)
In the present work three subspecies of Helichrysum plicatum DC. (Helichrysum plicatum DC. subsp. plicatum, Helichrysum plicatum DC. subsp. polyphillum (Ledeb) P.H. Davis & Kupicha and Helichrysum plicatum DC. subsp. ...
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)-ß-ocimene (19%), ?-humulene ...
A comparative study of the essential oils of wild and cultivated Satureja hortensis L.
(Allured Publ Corp, 2004)
The essential oils from 20 samples of wild and cultivated collections of Satureja hortensis L. were investigated by GC and GC/MS. The oils from cultivated forms contained carvacrol (42-63%) as the major constituent. Thymol ...
Composition of the essential oil of Cymbopogon afronardus Stapf from Uganda
(Allured Publ Corp, 2005)
A steam-distilled commercial by available essential oils of Cymbopogon afronardus (Mutete) were analyzed by GC and GC/MS. Seventy-four compounds making up 95.1% of A and 59 compounds making up 86.4% of B were characterized. ...
Micromeria congesta uçucu yağının bileşimi
(Anadolu Üniversitesi, 1990)
Bu çalışmada, Gaziantep yöresinden toplanan ve ''Kaya yarpuzu'' yaygın adıyla bilinen Micromeria congesta bitkisinin toprak üstü kısımlarından hem su hem de buhar distilasyonu yönte- miyle laboratuvar ve pilot ölçekte uçucu ...