A lignan with diverse biological activities; scavenges peroxide and DPPH radicals in cell-free assays (IC50s = 10.5 and 19.1 µM, respectively); inhibits LPS-induced production of IL-1β, IL-6, TNF-α, and the fibrosis markers collagen I and α-SMA in LX-2 hepatic stellate cells from 25-200 UG/ml; reduces serum levels of ALT, AST, SOD, and MDA and prevents hepatic necrosis in a mouse model of carbon tetrachloride-induced liver injury