Güncel Gönderiler: Araştırma Merkezleri
Toplam kayıt 492, listelenen: 301-320
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The composition and antimicrobial activity of the essential oil of the resurrection plant Myrothamnus flabellifolius
(2002)An investigation of the antibacterial and antifungal activity of Myrothamnus flabellifolius against eleven different pathogens showed inhibition of all micro-organisms except for Salmonella typhimurium and Alternaria ... -
The composition of the essential oil of stachysiberica subsp. Stenostachya growing in Turkey
(2001)The water distilled essential oil from dried aerial parts of Slachys iberica subsp. stenoslachya (Lamiaceae) was analyzed by GC/MS. Seventy-one compounds were characterized representing 96% of the oil. The main constituents ... -
Recent studies on the alkaloids of anatolian Thalictrum species
(2001)Studies which have been conducted in the last 25 years on the alkaloids of 9 Thalictrum taxa out of 11 growing in Turkey are reviewed. 58 alkaloids including 12 new alkaloids have been isolated and characterized by ... -
Comparative morphological, anatomical, ecological and chemical studies on endemic Satureja parnassica subsp. sipylea from Turkey
(2002)Satureja parnassica Heldr.et Sart. subsp. sipylea P.H. Davis is a subspecies endemic to Turkey. The anatomical, morphological, ecological and chemical features of S. parnassica subsp. sipylea have been investigated. Plant ... -
The Microbial Oxidation of (-)-ß-Pinene by Botrytis cinerea
(2002)(-)-ß-pinene, a flavor and fragrance monoterpene is an important constituent of essential oils of many aromatic plants. It was oxidized by a plant-pathogenic fungus, Botrytis cinerea to afford four metabolites characterized ... -
Biotransformation of (-)-?-Pinene by Botrytis cinerea
(2002)(-)-?-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 3ß-hydroxy-(-)-ß-pinene (10%) (3), ... -
The essential oil composition of the roots and rhizomes of Siphonochilus aethiopicus
(2002)The composition of the essential oil obtained through hydrodistillation is reported for the roots and rhizomes of Siphonochilus aethiopicus. The major compounds in both the roots and the rhizomes are 1,8-cineole, (E)-ß-ocimene, ... -
The bioactive essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummitt
(Verlag der Zeitschrift fur Naturforschung, 2003)The essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummit (Umbelliferae) was isolated from crushed seeds by means of hydrodistillation and analyzed by GC and GC/MS. Major components were identified as ... -
Lipids of Origanum tytthanthum
(Consultants Bureau, 2000)The composition of lipids and fatty acids from the above-ground part of Origanum tytthanthum Gontsch. (Lamiaceae) is studied Lipids from the air-dried plant material are enriched in glycolipids, essential fatty, acids and ... -
Volatile constituents of Lippia lupulina Cham.
(2002)The essential oils of Lippia lupulina, collected in three localities of the state of Mato Grosso, Brazil, were obtained by hydrodistillation and analysed by GC-MS. The major components identified in the oil from stalks and ... -
Composition of the essential oil of Ononis viscosa subsp. breviflora
(2002)Water-distilled essential oil from Ononis viscosa L. subsp. breviflora (DC.) Nyman was analyzed by GC/MS. Forty compounds were characterized representing 81.3% of the oil. Hexahydrofarnesylacetone (12.5%), carvacrol (10.0%), ... -
Comparative study of the essential oils of Heracleum sphondylium ssp. ternatum obtained by micro- and hydro-distillation methods
(2002)The volatile compounds obtained by hydro- and micro-distillation methods from crushed fruits of Heracleum sphondylium ssp. ternatum (Velen.) Brummitt were analyzed by GC/MS. Both distillation methods and analysis results ... -
Composition of the essential oils of Viscum album L. Subspecies from Turkey
(2002)The extracts from three Viscum album subspecies obtained by Simultaneous Distillation-Extraction (SDE) using Likens-Nickerson apparatus, were analyzed by GC/MS. 34 compounds representing 89.2% of the essential oil V.album ... -
The essential oil of Anthemis cretica L. subsp. leucanthemoides (Boiss.) Grierson
(2002)Water distilled essential oil of Anthemis cretica L. var. leucanthemoides (Boiss.) Grierson was analyzed by GC/MS. Ninety nine compounds were characterized representing 87.7% of the oil. Enantiomeric distribution of the ... -
Determination of pK(a) values of some hydroxylated benzoic acids in methanol-water binary mixtures by LC methodology and potentiometry
(Elsevier Science BV, 2007)An accurate estimation of pK(a) values in methanol-water binary mixtures is very important for several separation techniques such as liquid chromatography and capillary electrophoresis that use these solvent mixtures. In ... -
Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy
(Elsevier Ireland LTD, 2003)The essential oil composition and antimicrobial activity of Osmitopsis asteriscoides, a medicinal plant used in traditional herbal preparations in South Africa has been investigated. Three different antimicrobial methods ... -
Effect of water extract of Turkish propolis on tuberculosis infection in guinea-pigs
(Academic Press LTD Elsevier Science LTD, 2004)Mycobacterium tuberculosis (H37Rv)-infected guinea-pig model was used to investigate the effect of water extract of propolis (WEP). After subcutaneous inoculation of tubercle bacilli, each animal received oral WEP (n = 9), ... -
Isomers of palmitoleic acid in lipids and volatile substances from the fruits of Ziziphus jujuba
(Plenum Publ Corp, 1999)Fatty acid from the dried pulp of Ziziphus jujuba Mill. Contain 33 components with a chain length from 7 to 28 carbon atoms and approximately equal ratio of total saturated and unsaturated, mainly monoenic, acids; among ... -
Antifungal activities and essential oil constituents of some spices from Pakistan
(Chem Soc Pakistan, 2000)Hydrodistillation of Amomum subulatum, Cinnamomum verum, Coriandrum sativum, Cuminum cyminum, Elettaria cardamomum, Myristica fragrans (Mace), and Myristica fragrans (Nutmeg) purchased from local markets yielded essential ... -
An unusual pregnane derivative and dibenzylbutyrolactone lignans from Centaurea sclerolepis
(Polish Chemical Soc, 2006)…
