abstract |
(57) [Problem] To provide an anti-aging agent which has an excellent anti-aging effect and has excellent performance in terms of formulation into an external preparation or an oral preparation. SOLUTION: General formula (1) (1) (wherein, R 1 represents a hydrogen atom or a saturated or unsaturated linear or branched alkyl group having 1 to 8 carbon atoms; 2 represents a hydrogen atom, an acyl group having 1 to 20 carbon atoms, an amino acid residue or an amino acid residue of an oligopeptide having 2 to 5 constituent amino acids, and R 3 represents a hydroxyl group, 1 to 20 carbon atoms. And the amino acid residues of the oligopeptide having 2 to 5 constituent amino acids. However, it is excluded when R 2 is a hydrogen atom and R 3 is a hydroxyl group. An anti-aging agent comprising at least one derivative of L-tyrosine represented by the formula or a salt thereof. |