A secoiridoid glucoside from Fraxinus angustifolia

Abstract The known glucoside nuezhenide, and a new secoiridoid glucoside, angustifolioside C [ 6′-O-β- d - glucopyranosyl)-neooleuropein ], were isolated from a methanolic extract of the leaves of Fraxinus angustifolia . Their structures were elucidated on the basis of chemical and spectral data.