(organic chemistry) The hydrocarbon formed by joining two propylbenzene residues at the β-carbon atom of the propyl side chain; this structure is the basis of all lignans

(organic chemistry) Any of a class of phenylpropanoid (propylbenzene) type of molecules found in essentially all plants, generally dimeric or higher order, and produced by secondary metabolic pathways branching off of aromatic amino acid biosynthesis, in some cases having associated antioxidant or estrogenic (phytoestrogenic) activities; having in common with lignin the phenylpropanoid monomers, where lignin is a random oxidative polymerization of the same

plural of lignane

plural of lignan

(organic chemistry) Any of a group of polycyclic aromatic amides preset in some wood or roots

plural of lignanamide