A low-fat food comprising an amino acid or a peptide having an effect of activating a calcium receptor such as ³-Glu-X-Gly (X represents an amino acid or an amino acid derivative), ³-Glu-Val-Y (Y represents an amino acid or an amino acid derivative), ³-Glu-Ala, ³-Glu-Gly, ³-Glu-Cys, ³-Glu-Met, ³-Glu-Thr, ³-Glu-Val, ³-Glu-Orn, Asp-Gly, Cys-Gly, Cys-Met, Glu-Cys, Gly-Cys, Leu-Asp, D-Cys, ³-Glu-Met(O), ³-Glu-³-Glu-Val, ³-Glu-Val-NH 2 , ³-Glu-Val-ol, ³-Glu-Ser, ³-Glu-Tau, ³-Glu-Cys(S-Me)(O), ³-Glu-Leu, ³-Glu-Ile, ³-Glu-t-Leu, ³-Glu-Cys(S-Me), etc.본 발명은 γ-Glu-X-Gly(X는 아미노산 또는 아미노산 유도체이다), γ-Glu-Val-Y(Y는 아미노산 또는 아미노산 유도체이다), γ-Glu-Ala, γ-Glu-Gly, γ-Glu-Cys, γ-Glu-Met, γ-Glu-Thr, γ-Glu-Val, γ-Glu-Orn, Asp-Gly, Cys-Gly, Cys-Met, Glu-Cys, Gly-Cys, Leu-Asp, D-Cys, γ-Glu-Met(O), γ-Glu-γ-Glu-Val, γ-Glu-Val-NH2, γ-Glu-Val-올, γ-Glu-Ser, γ-Glu-Tau, γ-Glu-Cys(S-Me)(O), γ-Glu-Leu, γ-Glu-Ile, γ-Glu-t-Leu 및 γ-Glu-Cys(S-Me) 등의 칼슘 수용체 활성화 작용을 갖는 아미노산 또는 펩타이드를 저지방 식품에 배합하는 것이다.
