Výsledky vyhledávání - "Margit Geißler"

Combination of chemical and electron-impact ionisation with GC×GC–qMS for characterization of fatty alcohol alkoxylate polymers in the low-molecular-weight range up to 700 Da

Autor: Hans-Ulrich Baier, Oliver J. Schmitz, Siegmar Gäb, Michaela Wirtz, Volker Wulf, Margit Geißler, Hans-Willi Kling, Roman Dück

Publikováno v: Analytical and Bioanalytical Chemistry. 396:2273-2283

The class of fatty alcohol alkoxylates describes surfactants that are synthesised by reaction of fatty alcohols with alkoxides such as ethylene oxide or propylene oxide or a combination of both as copolymers. Such alkoxylates are used, for example, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68b8666c51cf16fac468f1a7b347192a
https://doi.org/10.1007/s00216-009-3434-0

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Antimicrobial Activities of Essential Oils of Mint and Peppermint as Well as Some of Their Main Compounds

Autor: Margit Geissler, Erich Schmidt, Zapriana Denkova, Stefanie Bail, Albena Stoyanova, Leopold Jirovetz, Gerhard Buchbauer, Alexander Slavchev

Publikováno v: Scopus-Elsevier

The oil of peppermint (Mentha x piperita L.) from the USA, a dementholized cornmint oil (M. canadensis L.), and a fraction of the dementholized cornmint oil were analyzed by GC-FID and GC/MS. The main constituents of the three samples analyzed were m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02d626f36dcdc70f6e43c863bae6a7d1
https://doi.org/10.1080/10412905.2009.9700193

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Purity, Antimicrobial Activities and Olfactoric Evaluations of Geraniol/Nerol and Various of Their Derivatives

Autor: Margit Geissler, Radosveta Nikolova, Gerhard Buchbauer, Erich Schmidt, Zapriana Denkova, Leopold Jirovetz, Albena Stoyanova

Publikováno v: Journal of Essential Oil Research. 19:288-291

Commercially available geraniol and nerol, as well as some derivatives, were analyzed for their purity using GC and GC/MS. The olfactoric quality of the samples was evaluated by professional perfumers. Antimicrobial testings using an agar dilution an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2bfa809766e765c12951d833b68eb6fe
https://doi.org/10.1080/10412905.2007.9699283

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Antifungal Activity of Eugenol and Various Eugenol-Containing Essential Oils against 38 Clinical Isolates ofCandida albicans

Autor: Katrin Wlcek, Erich Schmidt, Albena Stoyanova, Margit Geissler, Leopold Jirovetz, Tania Girova, Velizar Gochev, Gerhard Buchbauer

Publikováno v: Journal of Essential Oil Bearing Plants. 10:421-429

The antifungal activity of eugenol containing essential oils - pimento oil (Pimenta dioica (L.) Merr), bay oil (Pimenta racemosa (Mill.) J. W. Moore), clove oil (Szygium aromaticum (L.) Merr. & M. Perry), and cinnamon oil (Cinnamomum zeylanicum Blume

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9467ff8705067cca94940898becbfc8
https://doi.org/10.1080/0972060x.2007.10643575

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Antifungal Activities of Essential Oils ofSalvia lavandulifolia,Salvia officinalisandSalvia sclareaagainst Various PathogenicCandidaspecies

Autor: Erich Schmidt, Gerhard Buchbauer, Katrin Wlcek, Margit Geissler, Albena Stoyanova, Tanya Girova, Leopold Jirovetz, Velizar Gochev

Publikováno v: Journal of Essential Oil Bearing Plants. 10:430-439

Antifungal activities of essential oils of Salvia lavandulifolia, Salvia officinalis and Salvia sclarea against various pathogenic Candida species were investigated. It was shown that antifungal activity of sage essential oils depends on their Chemic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e7058ec89bc3d201937c9d482fee0f0
https://doi.org/10.1080/0972060x.2007.10643576

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Comparative study on the antimicrobial activities of different sandalwood essential oils of various origin

Autor: Leopold Jirovetz, Albena Stoyanova, Gerhard Buchbauer, Valerie Gearon, Margit Geissler, Erich Schmidt, Ivan Murgov, Steve Birkbeck, Zapriana Denkova

Publikováno v: Flavour and Fragrance Journal. 21:465-468

In total, eight samples of different sandalwoods [Amyris balsamifera L., Santalum album L. and Santalum spicatum (R.Br.) A.DC.] and a mixture of α- and β-santalols, as well as eugenol as reference compound, were tested by an agar dilution and agar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaab7ca22891d108fb1e40c2cdc92776
https://doi.org/10.1002/ffj.1625

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Composition and Antioxidant Activities of the Essential Oil of Cinnamon (Cinnamomum zeylanicumBlume) Leaves from Sri Lanka

Autor: Erich Schmidt, Gerhard Buchbauer, Leopold Jirovetz, Ivanka Stoilova, Albena Stoyanova, Albert Krastanov, Gernot A. Eller, Margit Geissler

Publikováno v: Journal of Essential Oil Bearing Plants. 9:170-182

The composition of the volatiles from leaves of Cinnamomum zeylanicum Blume from Sri Lanka was studied by GC-FID and GC-MS. The basic component of the oil was found to be eugenol (74.9%), followed by β-caryophyllene (4.1%), benzyl benzoate (3.0%), l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eac5dbfe3bcc37c1bb7cdea99b469378
https://doi.org/10.1080/0972060x.2006.10643490

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Antimicrobial testinas and gas chromatoaraphic analvsis of pure oxvaenated monoterpenes 1.8-cineole, α-terpineol, terpinen-4-ol and camphor as well as target comoounds in essential oils of pine (Pinus pinaster), rosemary (Rosmarinus officinalis), tea tree (Melaleuca alternifolia)

Autor: Evrich Schmidt, Albena Stoyanova, Gerhard Buchbauer, Leopold Jirovetz, Margit Geissler, Ivan Murgov, Zapriana Denkova

Publikováno v: Scientia Pharmaceutica; Volume 73; Issue 1; Pages: 27-39

The oxygenated monoterpenes 1,8-cineole, α-terpineol, terpinen-4-ol and camphor as well as essential oils of pine, rosemary and tea tree, rich in these volatiles, were tested for their antimicrobial activities against some different strains of yeast

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b82f817e52a78ceb1a9d7d85ceec8cd
https://doi.org/10.3797/scipharm.aut-05-03

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Antimicrobial Testings and Gas Chromatographic Analyses of Aroma Chemicals

Autor: Gerhard Buchbauer, Margit Geissler, Ivan Murgov, Leopold Jirovetz, Albena Stoyanova, Erich Schmidt, Zapriana Denkova

Publikováno v: Journal of Essential Oil Bearing Plants. 8:99-106

In continuation of our scientific work in the field of combined and sytematical investigation of antimicrobial activities (by means of agar dilution and agar diffusion methods) and structural properties (using gas chromatographic analyses: GC and GC/

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::751281d1f4400608ce55696f18d74690
https://doi.org/10.1080/0972060x.2005.10643427

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Pulp aroma compounds of untreated, boiled and roasted African pear [ Dacryodes edulis (G. Don) H.J. Lam] fruits from Cameroon by HS-SPME analysis coupled with GC/FID and GC/MS

Autor: Margit Geissler, Gerhard Buchbauer, Leopold Jirovetz, Martin Benoit Ngassoum, M. Parmentier

Publikováno v: European Food Research and Technology. 218:40-43

The pulp aroma composition of untreated, boiled and roasted Dacryodes edulis (G. Don) H.J. Lam (Burseraceae) fruits from Cameroon was investigated by headspace solid phase microextraction (HS-SPME) coupled with gas chromatographic-spectroscopic (GC/F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36862edccc7f437a03b676d6467cdb6a
https://doi.org/10.1007/s00217-003-0823-z

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