Maltosine, a 3-hydroxy-4-pyridinone derivative of lysine formed in the course of the advanced Maillard reaction, is an effective metal chelating agent.
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Chemical structures of the investigated Maillard reaction prod- ucts fructoselysine (1), lactuloselysine (2), tagatoselysine (3), CML (4), CEL (5), formyline (6), pyrraline (7), maltosine (8), MG-H1 (9), argpyrimidine (10), and pentosidine (11).