Abstract Olea europaea L. (olive, Oleaceae) constitutes a source of many bioactive compounds, which have recognized benefits for both human health and technological purposes. The present article was carried out to evaluate the biological activity oleuropein (an ester 2-(3,4-dihydroxyphenyl) ethanol (hydroxytyrosol) has oleosidic skeleton that is common secoiridoid glucosides Oleaceae). It occur...