Hydroxytyrosol: Olive Oil's #1 Polyphenol Olivea Greek team found Mediterranean diet compound preventing all heart disease. Researchers at the University of Athens isolated hydroxytyrosol from olive oil that prevents atherosclerosis, lowers blood pressure, reduces inflammation, and eliminates Molecular adaptations underlying the beneficial effects of hydroxytyrosol in the pathogenic alterations induced by a high fat diet in mouse liver: PPA Food & Function (RSC Publishing) DOI:10.1039 C7FO00090A Hydroxytyrosol and Brain Tumors: Mechanisms of Action and Therapeutic Potential