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  • Title: Antioxidant and urease inhibitory C-glycosylflavonoids from Celtis africana.
    Author: Perveen S, El-Shafae AM, Al-Taweel A, Fawzy GA, Malik A, Afza N, Latif M, Iqbal L.
    Journal: J Asian Nat Prod Res; 2011 Sep; 13(9):799-804. PubMed ID: 21830883.
    Abstract:
    Two new C-glycosylflavonoids celtisides A (1) and B (2) have been isolated from n-butanol-soluble fraction of Celtis africana, along with five known C-glycosylflavonoids vitexin (3), orientin (4), isoswertiajaponin (5), isoswertisin (6), and 2″-O-rhamnosyl vitexin (7) reported for the first time from this species. Their structures were assigned from 1D and 2D NMR spectra. These compounds were investigated for biological activities and showed significant antioxidant and urease inhibitory activities.
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