Menthyl half acid ester derivatives, processes for preparing same, and uses thereof for their cooling/refreshing effect in consumable materials

15 36 15 Described is a genus of menthyl half acid ester derivatives having the structure: and processes for producing same, wherein n is an integer of from 1 to 5; wherein X is either -OR″ or -NRR′; wherein R″ is hydrogen, C-Clower alkyl or C-Clower alkenyl; wherein R is hydrogen, C-Clower alkyl, 2-hydroxyethyl or cyclopropyl and wherein R′ is hydrogen, methyl or ethyl; with the proviso that when X is -OR″, n is an integer of from 3 to 5, having utility for augmenting, enhancing or imparting a taste or cooling effect or refreshing effect in or to an ingestible or topical composition.