The present invention relates to a composition with enhanced angiogenic activity which contains a compound of the formula: R--A wherein R stands for a higher aliphatic hydrocarbon residue, and A stands for hydrogen atom, carboxyl group, hydroxyl group, carbamoyl group which may be substituted or amino group which may be substituted or quaternized. The composition of the present invention has been found to enhance blood vessel formation, which is useful for the treatment of various ischemic diseases, trauma, thermal burns, alopecia, etc.