A new isoprenylated aurone, broussoaurone A ma,gamma-dimethylallyl)-6,
3',4'-trihydroxyaurone], a novel isoprenylated flavan, broussoflavan A
, and six known compounds, butyrospermol acetate, erythrinasinate, kaz
inols A and B, broussochalcones A and B were isolated and characterize
d from the cortex of Formosan Broussonetia papyrifera.