Approach to the study of C‐glycosyl flavones by ion trap HPLC‐PAD‐ESI/MS/MS: application to seeds of quince ( Cydonia oblonga ) | Zendy

Ferreres Federico | Zendy; Silva Branca M. | Zendy; Andrade Paula B. | Zendy; Seabra Rosa M. | Zendy; Ferreira Margarida A. | Zendy

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Approach to the study of C‐glycosyl flavones by ion trap HPLC‐PAD‐ESI/MS/MS: application to seeds of quince ( Cydonia oblonga )

Author(s) -

Ferreres Federico,

Silva Branca M.,

Andrade Paula B.,

Seabra Rosa M.,

Ferreira Margarida A.

Publication year - 2003

Publication title -

phytochemical analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 72

eISSN - 1099-1565

pISSN - 0958-0344

DOI - 10.1002/pca.727

Subject(s) - chemistry , flavones , glycosyl , luteolin , apigenin , chromatography , glycosylation , high performance liquid chromatography , ion trap , stereochemistry , mass spectrometry , flavonoid , organic chemistry , biochemistry , antioxidant

Ion trap HPLC‐PAD‐ESI/MS/MS has been used to study C ‐glycosyl avones in quince seeds. Comparative analysis of the ions [(M‐H)‐60] − , [(M‐H)‐90] − and [(M‐H)‐120] − from 6‐ C ‐ and 8‐ C ‐glycosyl avone isomers, together with their respective retention times, allowed deductions to be made about the nature of the sugar units and the positions of C ‐glycosylation. Vicenin‐2 (6,8‐di‐ C ‐glucosyl apigenin), lucenin‐2 (6,8‐di‐ C ‐glucosyl luteolin), stellarin‐2 (6,8‐di‐ C ‐glucosyl chrysoeriol), isoschaftoside (6‐ C ‐arabinosyl‐8‐ C ‐glucosyl apigenin), schaftoside (6‐ C ‐glucosyl‐8‐ C ‐arabinosyl apigenin), 6‐ C ‐pentosyl‐8‐ C ‐glucosyl chrysoeriol and 6‐ C ‐glucosyl‐8‐ C ‐pentosyl chrysoeriol were identied in quince seed. Copyright © 2003 John Wiley & Sons, Ltd.

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