A phytoestrogen with antitumor, antioxidant, antiplatelet, anti-inflammatory and antifungal effects. Inhibits cytochrome P450 1A1 (IC50 = 23 μM) and displays mixed agonist/antagonist actions at ERα and ERβ estrogen receptors. Converted into the anticancer agent piceatannol (Cat. No. 1554) by cytochrome P450 1B1.