The following sterols and triterpenes have been identified in banana peel: β-sitosterol, stigmasterol, campesterol, cycloeucalenol, cycloartenol, and 24-methylene cycloartanol. 24-Methylene cycloartanol palmitate and an unidentified triterpene ketone were the major constituents. The ester represented approximately 30 per cent of the total extractable lipid. © 1970.