Edible oil/fat composition and method for producing same

A method for producing an edible fat composition comprising a fat and a γ-glutamyl peptide or salt thereof in a dispersed state,

• the method comprising preparing an aqueous solution of γ-glutamyl peptide or salt thereof, and dispersing the prepared aqueous solution in an edible fat,
• wherein the γ-glutamyl peptide or salt thereof is at least one peptide of the following formula:
• Z-(γ-Glu)n-Y-(γ-Glu)m-X—W, or salt thereof,
• wherein:
• X is an amino acid or an amino acid derivative,
• W, Y, and Z are each independently absent or an amino acid or an amino acid derivative,
• n and m are each independently 0, 1, 2 or 3, wherein n+m is 1 or more, and
• X is selected from the group consisting of Tyr, Ala, Glu, Gln, Asp, Asn, Arg, His, Ile, Leu, Phe, Ser, and Val.

A method for enhancing an effect of γ-glutamyl peptide or salt thereof imparting kokumi to a food or beverage, comprising preparing an aqueous solution of the γ-glutamyl peptide or salt thereof, and dispersing the aqueous solution in an edible fat,

• wherein the γ-glutamyl peptide or salt thereof is at least one peptide of the following formula:
• Z-(γ-Glu)n-Y-(γ-Glu)m-X—W, or salt thereof,
• wherein:
• X is an amino acid or an amino acid derivative,
• W, Y, and Z are each independently absent or an amino acid or an amino acid derivative,
• n and m are each independently 0, 1, 2 or 3, wherein n+m is 1 or more, and
• X is selected from the group consisting of Tyr, Ala, Glu, Gln, Asp, Asn, Arg, His, Ile, Leu, Phe, Ser, and Val.