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Toplam kayıt 488, listelenen: 141-160
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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 and Antimicrobial Activity of Essential Oil of Ferulago longistylis Boiss. Fruits
(Allured Publ Corp, 2008)The essential oil from the fruits of Ferulago longistylis Boiss. (Apiceae) was obtained by hydrodistillation. Simultaneous analyses by GC and GC/MS resulted in the identification of 59 compounds representing 96% of the ... -
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 ... -
Effect of maturation on the composition and biological activity of the essential oil of a commercially important Satureja species from Turkey: Satureja cuneifolia Ten. (Lamiaceae)
(American Chemical Society, 2008)The essential oil obtained by hydrodistillation from aerial parts of Satureja cuneifolia Ten., collected in three different maturation stages such as preflowering, flowering, and postflowering, were analyzed simultaneously ... -
Inhibitory effect of Turkish Rosmarinus officinalis L. on acetylcholinesterase and butyrylcholinesterase enzymes
(Elsevier Sci LTD, 2008)In the current study, we have tested acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activity of the petroleum ether, ethyl acetate, chloroform, and methanol extracts, rosmarinic acid as well as the ... -
Essential Oil of the Leaves of Ribes nigrum L. from Turkey
(Allured Publ Corp, 2008)Water distilled essential oil from leaves of Ribes nigrum. L. (Grossulariaceae) was analyzed by CC and GC/MS. The major constituents were found to be P-caryophyllene (12.9%), hexadecanoic acid (10.7%), alpha-huumulene ... -
Composition of the essential oil of three endemic Centaurea species from Turkey
(Taylor & Francis Inc, 2008)The essential oil obtained by hydrodistillation front three endemic Centaurea species (Asteraceae) in Phalolepis (Cass.) DC. Section; C. wagenitzii Hub.-Mor., C. tossiensis Freyn et Sint. and C. luschaniana Heimerl front ... -
In vitro antioxidant properties and phenolic composition of Salvia virgata Jacq. from Turkey
(American Chemical Society, 2008)Antioxidant activities and phenolic compositions of the active fractions of Salvia virgata Jacq. (Lamiaceae) from Turkey were examined. The aerial part of S. virgata was extracted with different solvents in an order of ... -
Effects of carvacrol upon the liver of rats undergoing partial hepatectomy
(Elsevier GMBH, Urban & Fischer Verlag, 2008)The present study aims to investigate the possible effects of carvacrol obtained from origanum oil upon the regenerative feature of the liver subsequent to partial hepatectomy in rats. Male Wistar Albino rats, weighing 230 ... -
Head-space volatiles of marula (Sclerocarya birrea subsp caffra)
(Elsevier Science BV, 2008)Head-space volatiles of the fruit pulp and the whole fruits (skin volatiles) were investigated using solid phase micro-extraction (SPME) and GC-MS. The two major compounds in the fruit pulp were beta-caryophyllene (91.3%) ... -
Synthesis, characterization and antimicrobial activity of a Zn(II) complex with 1-(1H-benzoimidazol-2-yl)-ethanone thiosemicarbazone
(Taylor & Francis LTD, 2008)A new Zn(II) complex with 1-(1H-benzoimidazol-2-yl)-ethanone thiosemicarbazone [Zn(NO(3))(H(2)O)(C(10)H(11)N(5)S)]NO(3) was prepared and characterized by elemental analyses, FT-IR, (1)H NMR spectroscopy, thermogravimetric ... -
Effects of Origanum onites on Endothelial Function and Serum Biochemical Markers in Hyperlipidaemic Patients
(SAGE Publications LTD, 2008)The effects of Origanum onites on endothelial function and antioxidative status were investigated in 48 patients with mild hyperlipidaemia who required no drug therapy. All participants were given lifestyle and low-fat ... -
Composition of essential oils of ten Centaurea L. taxa from Turkey
(Taylor & Francis Inc, 2008)Essential oils obtained by microdistillation front seven endemic Centaurea species [C. hierapolitana Boiss., C. cadmea Boiss., C. calolepis Boiss., C. cariensis Boiss. subsp. maculiceps (O. Schwarz) Wagenitz, C. cariensis ... -
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. ... -
The effects of intra-rectal and intra-peritoneal application of Origanum onites L. essential oil on 2,4,6-trinitrobenzenesulfonic acid-induced colitis in the rat
(Elsevier GMBH, Urban & Fischer Verlag, 2008)The aim of the present study is to investigate the treatment efficiency of intra-rectal (IR) and intra-peritoneal (W) application of Origanum onites essential oil (OOEO), which is a well-known antioxidant, in the colitis ... -
Comparative essential oil composition of the natural hybrid Phlomis x vuralii Dadandi (Lamiaceae) and its parents
(Allured Publ Corp, 2008)The genus Phlomis L. is represented in the Flora of Turkey with 50 taxa having a high endemism and hybridization rate. Phlomis x vuralii Dadandi and its parents P. chimerae Boissieu. and P bourgaei Boiss. were collected ... -
Phenolic composition and biological activities of Salvia halophila and Salvia virgata from Turkey
(Elsevier Sci LTD, 2008)The aerial parts of Salvia halophila and Salvia virgata were subjected to Soxhlet extraction with different solvents such as n-hexane, ethyl acetate, methanol, and aqueous methanol (50%). Plants were also extracted with ... -
Anticonvulsant activity of furanocoumarins and the essential oil obtained from the fruits of Heracleum crenatifolium
(Elsevier Sci LTD, 2008)The anticonvulsant activity of furanocoumarins, coumarin mixture and the essential oil obtained from the fruits of Heracleum crenatifolium was examined against maximal electroshock (MES)-induced seizures in mice. Bergapten ... -
Effects of carvacrol on defects of ischemia-reperfusion in the rat liver
(Elsevier GMBH, Urban & Fischer Verlag, 2008)Many plants found in nature have been used to treat various illnesses. One such plant is oregano (Kekik in Turkish). Health beneficial effects of carvacrol obtained from oregano oil have been shown scientifically. We have ... -
Antibacterial activity of two Phlomis essential oils against food pathogens
(Elsevier Sci LTD, 2008)Phlomis species from the Lamiaceae family are widely distributed in Turkey. In this Study, the essential oils of Phlomis russeliana (Sims.) Bentham and Phlomis grandiflora H.S. Thompson var. grandiflora collected from North ...