publication . Article . 2008

Anti-ulcerogenic Activity of Extract and Some Isolated Flavonoids from Desmostachia bipinnata (L.) Stapf

Amani, S. Awaad; Nawal H. Mohamed; Derek. J. Maitland; Gamal A. Soliman;
Open Access English
  • Published: 01 Aug 2008 Journal: Records of Natural Products, volume 2, issue 3, pages 76-82 (issn: 1307-6167, Copyright policy)
  • Publisher: ACG Publications
Abstract
Five main flavonoid glycosides were isolated, for the first time, from the ethanol extract of Desmostachia bipinnata (L.)Stapf ( Gramineae ). They were identified as kaempferol(1), quercetin(2), quercetin-3-glucoside(3), trycin(4) and trycin-7-glucoside(5). The structure elucidation was based on UV, Electrospray ionization mass spectrometry (ESIMS), 1H and 13C NMR, proton- proton correlation spectroscopy ( 1H- 1H Cosy), distortionless enhancement by polarization transfer (DEPT), heteronuclear single quantum coherence (HSQC), and heteronuclear multiple bond correlations spectrum (HMBC). The total extract (200 and 300 mg/kg) and two of the isolated compounds (tryc...
Subjects
free text keywords: Antiulcerogenic, Desmostachia bipinnata (L.)Stapf, quercetin-3-glucoside, quercetin, trycin-7-glucoside, lcsh:Chemistry, lcsh:QD1-999, lcsh:Organic chemistry, lcsh:QD241-441, lcsh:Botany, lcsh:QK1-989
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