Fuente: WIPO "olive oil" The present invention relates to a composition and method for preventing and treating cancer and modulating cell proliferation using compositions extracted from pinoresinol-rich Olea europaea Caiazzana olives. The present invention provides contacting one or more cells with a pharmaceutical effective amount of a polyphenolic composition isolated from Olea europaea Caiazzana olives. The polyphenolic composition includes one or more polyphenolic compounds extracted from Olea europaea Caiazzana olives.