Disclosed are a compound represented by the general formula (I) below and a polymer compound obtained by polymerizing such a compound.R1-Gly-Lac-Pro-R2 (I):where -Gly-Lac-Pro- represents a structure represented by the following formula (II),R1 represents a hydrogen atom, or an amino acid, a polypeptide or a hydroxycarboxylic acid which are linked through an amide bond,R2 represents a hydroxyl group, or an amino acid or a polypeptide which are linked through an amide bond, or a hydroxycarboxylic acid which is linked through an ester bond.
