A polyphenol with diverse biological activities; inhibits proliferation of MDA-MB-231 breast cancer cells; reduces VEGF-induced tyrosine phosphorylation of VEGFR2; competitive inhibitor of GLUT4 (Ki = 90 μM); inhibits methylglucose uptake by isolated rat adipocytes (IC50 = 50 μM); lytic against T. cruzi amastigotes (MBC50 = 48 pM)