Lupen-20(30)-3β-ol (1), 14α-stigmast-5-en-3β-ol (3) and 5α-stigmast-7,22-dien-3β-ol (5) were isolated from the bark of Albizzia zygia (Mimosaceae).Leaves also contain these substances and, in addition, a glycoside of 1 as well as four further compounds which give a positive reaction with SbCl3.