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Toplam kayıt 281, listelenen: 15-34
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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 ... -
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), ... -
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%) ... -
Characterization of the Essential Oil of Thymus sibthorpii Bentham
(1992)The water distilled essential oil from the flowering herb of Thymus sibthorpii Bentham was studied by GC/MS. Some physico-chemical characteristics were also determined. Fifty compounds representing 95.08% of the oil were ... -
Chemical composition and biological activity of the essential oil of Perovskia atriplicifolia from Pakistan
(Taylor & Francis Inc, 2007)The current study describes the phytochemical profile, antimicrobial, mutagenic, and antimutagenic activity of Perovskia atriplicifolia Benth. essential oil, collected in Pakistan. The sample of essential oil was obtained ... -
Chemical composition of essential oils from leaves and twigs of Pistacia lentiscus, Pistacia lentiscus var. chia, and Pistacia terebinthus from Turkey
(Swets Zeitlinger Publishers, 2004)The composition of the essential oils from the leaves and twigs of Pistacia lentiscus L., Pistacia lentiscus var. chia (L.), and Pistacia terebinthus L. of Turkish origin were analyzed by gas chromatography/mass spectrometry ... -
Chemical composition of Santolina chamaecyparissus L. essential oil
(Allured Publ Corp, 2000)The hydrodistilled essential oil of Santolina chamaecyparissus L. (Asteraceae) was analyzed by GC/MS. The main components were found as artemisia ketone (38.1%), camphor (11.7%) and beta-phellandrene (9.2%). -
Chemical composition of Turkish myrtle oil
(Allured Publ Corp, 2000)The chemical composition of essential oils from leaves and branches + leaves of Myrtus communis L. (Myrtaceae) was examined by GC/MS technique. The main components were found to be 1,8-cincole (18.3% and 10.5%), linalool ... -
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 ... -
Coenzyme Q10 concentrations and antioxidant status in tissues of breast cancer patients
(Pergamon-Elsevier Science LTD, 2000)Objectives: An increasing amount of experimental and epidemiological evidence implicates the involvement of oxygen derived radicals in the pathogenesis of cancer development. Oxygen derived radicals are able to cause damage ... -
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 ... -
Comparison of ascorbic and citric acid contents in Rosa Canina L. fruit growing in the Central Asian region
(Kluwer Academic/Plenum Publishers, 1998)The evaluation of Rosa canina L. fruits and their products is depended in part on their organic acid contents. In this study, ascorbic and citric acid contents in Rosa canina L. fruits collected from five different regions ... -
Comparison of ascorbic and citric acid contents in Rosa canina L. fruits growing in Central Asian region
(Akademiya Nauk Uzbekskoi Ssr, 1998)The evaluation of Rosa canina L. fruits and its products have been dependent in part on organic acid contents. In this study, ascorbic and citric acid contents in Rosa canina L. fruits collected from five different regions ... -
Complete experimental and theoretical proton and carbon nuclear magnetic resonance spectral assignments, molecular structure and conformational study of 1-cyclohexylpiperazine and 1-(4-pyridyl)piperazine
(John Wiley & Sons LTD, 2010)The possible stable forms and molecular structures of 1-cyclohexylpiperazine (1-chpp) and 1-(4-pyridyl)piperazine (1-4pypp) molecules have been studied experimentally and theoretically using nuclear magnetic resonance(NMR) ... -
Composition and antibacterial activity of the essential oils from Satureja wiedemanniana (Lallem.) Velen
(Verlag Z Naturforsch, 2001)Satureja wiedemanniana (Lallem.) Velen (Lamiaceae) is an endemic species of Turkey. Aerial parts of the plant collected from eleven different localities in Turkey were subjected to hydrodistillation to yield essential oils ... -
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 ... -
Composition and antimicrobial activity of the essential oil of Achillea multifida
(Georg Thieme Verlag Kg, 2002)The composition of the water-distilled essential oil of Achillea multifida (DC.) Boiss. (Compositae) was analysed by GC and GC/ MS. Fifty-eight compounds were identified representing 93.9% of the total oil. a-Thujone ... -
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 ... -
Composition and antimicrobial activity of the essential oils of Micromeria cristata subsp phrygia and the enantiomeric distribution of borneol
(American Chemical Society, 2001)Water-distilled essential oils from herbal parts of Micromeria cristata (Hampe) Griseb. subsp. phr a P. H. Davis (Endemic) (Lamiaceae) collected from three different localities were analyzed by GCMS. The major component ... -
Composition of cold-pressed bergamot oil from Turkey
(1995)The cold-pressed bergamot peel oil of Turkish origin was studied by capillary GC and GC/MS. Thirty-six compounds constituting 99.35% of the oil were identified. The main components were linalyl acetate (37.39%), limonene ...
