Four flavonoid glycosides from the pulps of Elaeagnus angustifolia and their antioxidant activities

DOI

10.2991/iccia.2012.415How to use a DOI?

Keywords

Elaeagnus angustifolia, antioxidant activity, flavonoid

Abstract

Four flavonoid glycosides were isolated from the pulps of Elaeagnus angustifolia and identified as Quercetin 3,4'-O- -D-diglucoside (1), Isorhamnetin-3-O- -D-galactopy -ranoside (2), Quercetin 3-O- -D-Galactopyranoside- 4'-O- -D-glucopyranoside (3) and Isorhamnetin 3-O- -D-Galacto -pyranoside-4'-O- -D-glucopyranoside (4). Among which, the compounds 1, 3 and 4 were isolated for the first time from this plant. The antioxidant activities of the four compounds were evaluated by measuring their reducing power and ability to scavenge the ABTS radical, DPPH radical and to inhibit superoxide anions. The results indicated that theses compounds exhibited antioxidant activities with a dose-dependent manner in all tested models, and had some structure–activity relationships. The order of potential antioxidant capacity was as follows:1>3>2>4. Considering related reports, the flavonoid might be responsible for antioxidant activity of pulps of E. angustifolia.

Copyright

© 2013, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Ya Wang
AU  - Tao Guo
AU  - Jiayin Li
AU  - Shangzhen Zhou
AU  - Ping Zhao
PY  - 2014/05
DA  - 2014/05
TI  - Four flavonoid glycosides from the pulps of Elaeagnus angustifolia and their antioxidant activities
BT  - Proceedings of the 2012 2nd International Conference on Computer and Information Application (ICCIA 2012)
PB  - Atlantis Press
SP  - 1666
EP  - 1669
SN  - 1951-6851
UR  - https://doi.org/10.2991/iccia.2012.415
DO  - 10.2991/iccia.2012.415
ID  - Wang2014/05
ER  -