(EN) Smoking compositions which contain a diacylpiperazine additive such as 1,4-(2-methyl-propionly)-2,3,5,6-tetramethylpiperazine (I). The preferred diacylpiperazine additives impart enhanced flavor response and smoothness. (FR) Compositions à fumer contenant un additif diacylpipérazine comme la 1,4-(2-méthylpropionyle)-2,3,5,6-tétraméthylpipérazine (I). Les additifs diacylpipérazine préférentiels communiquent une réponse à l'arome et une douceur accrues.
This invention provides smoking compositions which contain a diacylpiperazine additive such as 1,4-(2-methylpropionyl)-2,3,5,6-tetramethylpiperazine: ##STR1## The preferred diacylpiperazine additives impart enhanced flavor response and smoothness.