Electrospray mass spectrometric decomposition of some glucuronic acid-containing flavonoid diglycosides
| Autor: | Rafał Frański, Maria Sikorska, Maciej Stobiecki, Irena Matławska, Krystian Eitner |
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| Rok vydání: | 2003 |
| Předmět: |
Spectrometry
Mass Electrospray Ionization Electrospray Flavonoid Plant Science Disaccharides Mass spectrometry Biochemistry Analytical Chemistry chemistry.chemical_compound Glucuronic Acid Fragmentation (mass spectrometry) Drug Discovery Glycosides Herbacetin Malvaceae Flavonoids chemistry.chemical_classification Gossypetin Chromatography Molecular Structure General Medicine Glucuronic acid Complementary and alternative medicine chemistry Mass spectrum Molecular Medicine Food Science |
| Zdroj: | Phytochemical Analysis. 14:170-175 |
| ISSN: | 1099-1565 0958-0344 |
| Popis: | Mass spectrometric fragmentation patterns of herbacetin 3-O-glucopyranoside-8-O-glucuronopyranoside (1), gossypetin 3-O-glucopyranoside-8-O-glucuronopyranoside (2) and takakin 7-O-glucopyranoside-8-O-glucuronopyranoside (3) were elucidated from mass spectra obtained with electrospray ionisation. The usefulness of the fragmentation patterns observed in the positive and negative mode for structural elucidation of the studied compounds is discussed. The fragmentation of 3 was substantially different from 1 and 2, especially in the negative mode. In order to explain these differences, theoretical calculations were performed. Copyright © 2003 John Wiley & Sons, Ltd. |
| Databáze: | OpenAIRE |
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