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A new iridoid (1) and a new phenylethanoid glycoside (4), together with five known compounds (2, 3, 5, 6 and 7), were isolated for the first time from the ethyl acetate soluble part of the hydroalcoholic extract of the aerial parts of Cistanche violacea Desf. (Orobanchaceae), an endemic species of the North of the Sahara. The structures of these compounds have been elucidated on the basis of extensive...
Plants show seasonality in the secondary metabolite production and the resulting variability can influence plant bioactivity.A study aimed at determining the seasonal metabolic changes in Phillyrea angustifolia and the effects of them on its biological activity has been carried out. The NMR profiles of the extracts obtained from leaves monthly collected from April 2011 to March 2012 revealed a variation...
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