Patent ID: 8865192

Claim:
A flavor composition for use in oral care products comprising one or more flavor oil(s) or extract(s) wherein the one or more flavor oil(s) or extract(s) comprise no more than 1 ppm by weight dimethyl sulfoxide (DMSO) that is a precursor for generation of malodor and off-taste in said composition or products, and wherein the one or more flavor oil(s) or extract(s) is derived from peppermint, corn mint, spearmint or a mixture thereof, and wherein the one or more flavor oil(s) or extract(s) are subjected to a process consisting essentially of one or a combination of a washing process the flavor oil(s) or extract with an aqueous phase comprising water and no more than about 20% of solvent and filtration through an adsorbent material comprising a metal oxide to substantially eliminate dimethyl sulfoxide.