noun. Any terpene formed from six isoprene units, and having thirty carbon atoms; they are relatively rare.

"Black cohosh contains triterpene glycosides, isoflavones, and aromatic acids, and affects the endocrine system, producing effects similar to those of estriol, a form of estrogen."

terpene  triterpenoid  

hydrocarbon  terpene  

betulin  ganoderic acid  hopene  quassin  

acyclic  aliphatic  amyl  anthracene  anthraquinone