| abstract |
A cyclic dipeptide-containing composition containing each of tyrosine-containing cyclic dipeptides selected from the group consisting of cyclotryptophanyltyrosine, cycloseryltyrosine, cycloprolyltyrosine, cyclotyrosylglycine, cyclotyrosyltyrosine, cyclophenylalanyltyrosine, cycloleucyltyrosine, cyclolysyltyrosine, cyclohistidyltyrosine, cycloalanyltyrosine, cycloglutamyltyrosine, cyclovalyltyrosine, cycloisoleucyltyrosine, cyclothreonyltyrosine, cycloaspartyltyrosine, cycloasparaginyltyrosine, cycloglutaminyltyrosine, cycloarginyltyrosine, and cyclomethionyltyrosine, or a salt thereof in a specified amount. The cyclic dipeptide-containing composition of the present invention has an excellent action of lowering a uric acid level, and the cyclic dipeptide-containing composition is useful in, for example, prevention or treatment of hyperuricemia, gout or the like. |