Definitions
1.NounThe xanthophyll (3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-1-[(1~{R},4~{S})-1,4-dihydroxy-2,2-dimethyl-6-methylidenecyclohexyl]-18-[(1~{R},4~{R})-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15,17-octaen-2-one characteristic of prasinophycean algae