label: apiogalacteronin
label_lc: apiogalacteronin
description: "A pectic compound characterized by a backbone of alpha-(1->4)-linked D-galacturonic acid residues substituted with apiose and apiobiose (D-apiofuranosyl-beta-(1->3)-D-apiose) side chains via O-2 or O-3 links. These are represented by R groups in the structure."