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Separation and identification of some derivatised diterpenes and triterpenes in rosemary (Rosmarinus officinalis L.) by gas chromatography and mass spectrometryIslamčević Razboršek, Maša ...A rapid analytic method for isolation, separation and determination of some phenolic diterpenes and triterpenes from fresh and dry rosemary leaves (Rosmarinus officinalis L.) has been developed. The ... components identified in the plant extract were trimethylsilylated derivatives of rosmarinic acid, phenolic diterpenes, carnosol and carnosic acid, pentacyclic triterpenoids, ursolic, oleanolic, betulinic acid and betulin. Experiments were performed toestablish the optimum conditions for solvent selection, mode and duration of extraction, derivatisation, and to set chromatographic conditions, as well. The enumerated compounds have numerous similarities in the chemical and pharmacological character. Publications dealing with separation and determination of diterpenes and triterpenes in plant material report many different analytic methods, but most extended are high performance liquid chromatography and thin layer chromatography. The procedures are complicated, since the separation and the determination ofterpenic compounds are difficult because ofstructure similarity. Therefore, gas chromatography and mass spectrometry were used as methods enabling good separation and parallel determination ofphenolic diterpenes and triterpenes.Vir: Scientific Papers of the University of Pardubice. Series A, Faculty of Chemical Technology. - ISSN 1211-5541 (Vol. 11, 2005, str. 281-289)Vrsta gradiva - članek, sestavni delLeto - 2005Jezik - angleškiCOBISS.SI-ID - 10338070
Avtor
Islamčević Razboršek, Maša |
Vončina, Ernest |
Doleček, Valter |
Brodnjak-Vončina, Darinka
Teme
analizna kemija |
ekstrakt rožmarina |
ursolna kislina |
oleanolna kislina |
betulinska kislina |
rožmarinska kislina |
velikostna izključitvena kromatografija |
sililiranje |
plinska kromatografija |
masna spektrometrija |
analytical chemistry |
rosemary extract |
ursolic acid |
oleanolic acid |
betulinc acid |
rosmarinic acid |
size exclusion chromatography |
silylation |
gas chromatography |
mass spectrometry
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vir: Scientific Papers of the University of Pardubice. Series A, Faculty of Chemical Technology. - ISSN 1211-5541 (Vol. 11, 2005, str. 281-289)
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Islamčević Razboršek, Maša | 24387 |
Vončina, Ernest | 08838 |
Doleček, Valter | 00869 |
Brodnjak-Vončina, Darinka | 06127 |
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