ChEBI: Delta-elemene is a sesquiterpene that is cyclohexene that is substituted at positions 1, 3, 4, and 4 by isopropyl, isopropenyl, methyl, and vinyl groups, respectively (the R,R stereoisomer). It has a role as an apoptosis inducer and a plant metabolite. It is a monocyclic hydrocarbon, a cyclic olefin and a sesquiterpene.