Tyrosol and Hydroxytyrosol Two Main Components of : Current Alzheimer Research Hydroxytyrosol inhibits phosphatidylserine exposure and suicidal death induced by mercury in human erythrocytes: Possible involvement of the glutathione pathway ScienceDirect 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 Hydroxytyrosol and Brain Tumors: Mechanisms of Action and Therapeutic Potential