Patent ID: 8147892

Claim:
A method for imparting a flavour to a consumable, comprising the addition to the consumable of at least one flavouring compound according to the formula (I), or a salt thereof, Wherein: R 1 is a residue selected from the group consisting of: —CH 2 SH, —CH 2 CH 2 SH, —CH 2 CH 2 CH 2 SH, —CH 2 SCH 3 , —CH 2 CH 2 SCH 3 , —CH 2 CH 2 CH 2 SCH 3 , —CH 2 —S—CH 2 CH(NH 2 )—COOH, and —CH 2 —S—S—CH 2 CH(NH 2 )—COOH; R 2 is a residue selected from the group consisting of: a residue of γ-Glu (—CO—CH 2 —CH 2 —CH(NH 2 )—COOH), and β-Asp (—CO—CH 2 —CH(NH 2 )—COOH) and wherein when R1 comprises sulfur, the compound is a sulfide, or a disulfide formed of two different or identical compounds according to formula I linked via the sulfide groups in two R1 residues.