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Journal of the Serbian Chemical Society 2004 Volume 69, Issue 11, Pages: 883-886
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Flavonoids from flowers of Cephalaria pastricenis and their antiradical activity

Gođevac Dejan, Vajs Vlatka, Menković Nebojša, Tešević Vele, Janaćković Peđa T., Milosavljević Slobodan

Two flavonoid glycosides 1 and 2 having the luteolin structure were isolated from flowers of the endemic plant species Cephalaria pastricensis. They were identified by 1H and 13C NMR, as well as UV/Vis spectroscopy. The structures of 1 and 2 were also confirmed by the spectral data of aglycones and TLC of the sugars obtained after acid hydrolysis. Flavones 1 and 2 showed significant antiradical activity in the 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay.

Keywords: Cephalaria pastricensis, luteolin 7-O-glucoside, luteolin 7-O-arabino(1-6)glucoside, antiradical activity, DPPH assay