A lignan; inhibits formation of AGEs in vitro; decreases escape latency in the Morris water maze and increases spontaneous alternation in the Y-maze in a mouse model of Alzheimer's disease induced by amyloid-β (1-42) at 0.1 mg/kg; increases glial expression of GLP-1 and decreases immobility time in the FST in mice; increases spontaneous alternation in the Y-maze in a mouse model of stress-induced short-term learning impairment induced by the FST