The molecule is a cyclic carotene with a beta- and an epsilon-ring at opposite ends respectively. It has a role as a provitamin A and a plant metabolite. It is a cyclic carotene and a carotenoid beta-end group.
1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohex-2-en-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene