A flavonoid glycoside with diverse biological activities; scavenges DPPH radicals in a cell-free assay from 1-50 µM; active against various bacteria (MICs = 100-200 UG/ml); active against C. albicans, S. cerevisiae, and C. lusitaniae (MICs = 100, 200, and 50 UG/ml, respectively); decreases hepatic and renal injury and increases survival in a mouse model of polyphosphate-induced lethal endotoxemia at 57.6 UG/animal