CHICKEN EXTRACT AND METHOD FOR PRODUCTION OF CHICKEN EXTRACT

摘要

Disclosed is a method for producing a chicken extract, which comprises the step of treating a chicken meat, a treatment product produced by adding an aqueous medium to a chicken meat and subjecting the mixture to a heat treatment, or a residue produced by the solid/liquid separation of the treatment product, with a proteolytic enzyme having an endoprotease activity and an exoprotease activity at a ratio of 1:1 to 1:3. Also disclosed is a chicken extract comprising a polypeptide having an isoelectric point of 4 or less, wherein the amount of amino acid resides constituting the polypeptide comprises 10% or more of the total amount of amino acid residues contained in the chicken extract.