Casuarictin is an ellagitannin, a type of hydrolysable tannin.
Ellagic acid is a natural phenol antioxidant found in numerous fruits and vegetables.
The ellagitannins are a diverse class of hydrolyzable tannins, a type of polyphenol formed primarily from the oxidative linkage of galloyl groups in 1,2,3,4,6-pentagalloyl glucose.
Lactones are cyclic esters of hydroxycarboxylic acids, containing a 1-oxacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.
Luteic acid is a natural phenol found in numerous fruits.
2-(6-carboxylato-2,3,4-trihydroxyphenyl)-3,4,5-trihydroxybenzoate, 3,4,5,3',4',5'-hexahydroxydiphenate, 3,4,5,3',4',5'-hexahydroxydiphenic acid, C14H10O10, HHDP, Hexahydroxy-diphenic acid, Hexahydroxy-diphenoyl, Hexahydroxydiphenate, Hexahydroxydiphenoyl, Hexahydroxydiphenoyl (HHDP) group, Hexahydroxydiphenoyl group, Hexahydroxydiphenyl.