| 摘要 |
The present invention relates to a method for producing α-glycated dipeptide, which comprises causing protease to act on N-terminal-glycated peptide or N-terminal-glycated protein. The present invention further relates to a method for determining the amount of α-glycated dipeptide, which comprises causing a fructosyl peptide oxidase to act on the α-glycated dipeptide obtained by the above method and then determining the amount of the thus generated hydrogen peroxide. According to the present invention, a method for producing α-glycated dipeptide is provided, which enables the simple, rapid, and efficient production of α-glycated dipeptide from glycated protein or glycated peptide. Furthermore, according to the present invention, a method for determining the amount of α-glycated dipeptide is provided, which enables to determine the amount of α-glycated dipeptide in a highly precise manner within a short time period.
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