Patent ID: 6852350

Claim:
A flavor precuror represented by the formula: R 1 —S—CO—O—R 2 wherein R 1 is a heterocyclic radical selected from the group consisting of wherein Z is an oxygen or a sulphur atom, R 3 and R 4 represent hydrogen or an C 1 -C 4 alkyl group and the symbol represents a single or double bond, R 2 is derived from a group of primary alcohol compounds consisting of C 1 -C 18 alkanols, glycerol and mono-, oligo- and polysaccharides, wherein the oxygen of the R 2 —O— moiety is attached to a primary carbon atom of R 2 ; and subjecting the foodstuff to elevated temperature in an aqueous medium such that a flavour compound is formed from the flavour precursor.