A flavonoid with diverse biological activities; induces QR in murine hepatoma cells (QR doubling concentration of 500 nM); inhibits TNF-α and IL-1β production in RAW 264.7 macrophages (IC50s = 17.28 and 23.5 μM, respectively) and in LPS-stimulated rats (48.6 and 55% reduction, respectively); shows selective cytotoxicity for CCRF-CEM leukemia cells (IC50 = 10.2 μM) in a panel of eight cancer cell lines (IC50s = >30 μM)