摘要 |
Disclosed is a method of recovering a peptide including: liberating a peptide from a protein in blood by mixing a liquid sample containing a complex of the peptide and the protein in blood with a reagent containing at least one selected from the group consisting of Zn 2+ -, Ca 2+ , Li + , Ba 2+ , Mg 2+ , Mn 2+ , and a metal compound that forms any of these metal ions; and recovering the liberated peptide. |