Vilegas, Wagner [UNESP]Vilegas, Janete H. Y.Dachtler, MarkusGlaser, TobiasAlbert, Klaus2014-05-272014-05-272000-10-05Phytochemical Analysis, v. 11, n. 5, p. 317-321, 2000.0958-0344http://hdl.handle.net/11449/66268The application of on-line C30-reversed-phase high-pressure liquid chromatography-nuclear magnetic resonance spectroscopy is described for the analysis of tetraglycosylated flavonoids in aqueous and hydroalcoholic extracts of the leaves of Maytenus aquifolium (Celastraceae). Triacontyl stationary phases showed adequate separation for on-line 1H-NMR measurements at 600 MHz and allowed the characterisation of these flavonoids by detection of both aromatic and anomeric proton signals. Copyright (C) 2000 John Wiley and Sons, Ltd.317-321engC30-stationary phaseFlavonoidsMaytenus (celastracene)On-line HPLC-NMRalcoholcarbonflavonoidplant extractchemical analysiscontrolled studydrug structureMaytenus aquifoliumnonhumannuclear magnetic resonance spectroscopyonline systemplantplant leafreversed phase high performance liquid chromatographystructure analysistechniqueCelastraceaeMaytenusArtigo10.1002/1099-1565(200009/10)11:5<317::AID-PCA529>3.0.CO;2-KWOS:000089517700007Acesso restrito2-s2.0-003382497679278772243268370000-0003-3032-2556