Güncel Gönderiler: Bitki, İlaç ve Bilimsel Araştırmalar Merkezi
Toplam kayıt 330, listelenen: 201-220
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Composition of the microdistilled essential oils of Tordylium apulum L. and T-pustulosum Boiss
(Allured Publ Corp, 2002)Microdistilled oil from fruits of Tordylium pustulosum (endemic) and T apulum were analyzed by GC/MS. Seven compounds representing 99.7% of the oil of T apulum and 19 compounds representing 97.2% of the oil of T pustulosum, ... -
FT-IR and NMR investigation of 1-phenylpiperazine: A combined experimental and theoretical study
(Pergamon-Elsevier Science LTD, 2007)FF-IR and H-1, C-13, DEPT, COSY, NOESY, HETCOR, INADEQUATE NMR spectra of 1-phenylpiperazine (pp) have been reported for the first time except for its H-1 NMR spectrum. The vibrational frequencies and H-1, C-13 NMR chemical ... -
Antimicrobial screening of Mentha piperita essential oils
(American Chemical Society, 2002)Essential oils of peppermint Mentha piperita L. (Lamiaceae), which are used in flavors, fragrances, and pharmaceuticals, were investigated for their antimicrobial properties against 21 human and plant pathogenic microorganisms. ... -
Composition of the essential oil of Achillea goniocephala boiss. et bal. from Turkey
(Allured Publ Corp, 2001)Water-distilled essential oil of the dried flowering herb al parts of Achillea goniocephala, endemic to Turkey, was analyzed by GC/MS. Seventy three components making up 98.1% of the oil were characterized with camphor ... -
Steam volatiles of Lallemantia peltata (L.) Fisch et Mey. from Turkey
(Allured Publ Corp, 2000)The oil of Lallemantia peltata (L.) Fisch. et Mey. (Labiatae) obtained by Simultaneous Distillation-Extraction (SDE) using Likens-Nickerson apparatus, was analyzed by GC/MS. Thirteen compounds were identified representing ... -
FT-IR and NMR investigation of 2-(1-cyclohexenyl)ethylamine: A combined experimental and theoretical study
(Pergamon-Elsevier Science LTD, 2007)FT-IR and H-1, C-13, DEPT, HETCOR, COSY, and NOESY NMR spectra of 2-(1-cyclohexenyl)ethylamine (CyHEA) have been reported for the first time. The vibrational frequencies and H-1, C-13 NMR chemical shifts of CyHEA (C8H15N) ... -
Antioxidant activities of some phenolic acids and their combinations
(Blackwell Publishing, 2006)… -
New caryophyllene derivatives from Betula litwinowii
(American Chemical Society, 2000)Four new caryophyllene derivatives- 14-hydroxy-4,5-dihydro-beta-caryophyllene (1), 14-acetoxy-4,5 -dihydro-beta-caryophyllene (2), 4,5-dihydro-beta-caryophyllene-14-al (3), and caryophylla-8(14)-en-5-one (4)-are reported ... -
Thalictricoside, a new phenolic compound from Thalictrum orientale
(Walter De Gruyter GMBH, 2003)From the underground parts of Thalictrum orientale Boiss., a new phenolic compound 1 was isolated in addition to one known cyanoglycoside, lithospermoside (2). For the structure elucidation of all compounds, 1D- and 2D-NMR ... -
Antimicrobial activities of Ferulago essential oils
(Verlag Z Naturforsch, 2000)Essential oils from Ferulago asparagifolia Boiss., F. galbanifera (Miller) W. Koch, F. humilis Boiss. (Endemic), F. trachycarpa Boiss. growing in Turkey were evaluated against 15 microorganisms for their antifungal and ... -
Composition of the essential oil of Ononis viscosa subsp breviflora
(Consultants Bureau, 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. Hexahydrofamesylacetone (12.5%), carvacrol(10.0%), ... -
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 ... -
Industrial utilization of medicinal and aromatic plants
(International Society Horticultural Science, 1999)A tremendous change has been going on globally in the last two decades, and especially in the last one in favour of the increased use of medicinal and aromatic plant products in pharmaceutical and related industries. This ... -
Screening of biotransformation products of carvone enantiomers by headspace-SPME/GC-MS
(Verlag Z Naturforsch, 2001)In the course of our continuing work on transformation of monoterpenes by microorganisms, the biotransformation of (+)- and (-)-carvone was carried out. The metabolites formed during microbial transformations were screened ... -
Composition of the essential oils of six endemic Salvia spp. from Turkey
(Wiley, 2003)The water-distilled essential oils from dried aerial parts of Salvia blepharochlaena, S. caespitosa, S. divaricata, S. hypargeia, S. longipedicellata and S. pilifera (Lamiaceae), endemic in Turkey, were analysed by GC-MS. ... -
Composition of essential oils from five endemic Sideritis species
(Allured Publ Corp, 2003)S. argyrea P.H. Davis, S. armeniaca Bornm., S. hololeuca Boiss. et Heldr. Apud Bentham, S. stricta Boiss. et Heldr. Apud Bentham and S. taurica Stephan ex Willd., are endemic species in Turkey. Water-distilled essential ... -
Essential oil and antimicrobial evaluation of the Pistacia eurycarpa
(Consultants Bureau, 2001)The compositions of microdistilled and hydrodistilled essential oils of the mastix of Pistacia eurycarpa Yalt. (Anacardiaceae) were compared. The essential oils were analyzed by GC/MS: alpha- and beta-pinenes were found ...
