Abstract
The tree fern Cyathea gigantea yielded hentriacontane, β-sitostenone, β-sitostanone, diploterol, sitosterol, hopan-29-ol, and oleanolic acid from the hexane soluble fraction of the plant. CDRI Communication No. 3961
Compounds III and V belonging to hopane series of triterpenes are generally found in lower plants. Compound V is reported for the first time from family Cyatheaceae.