STABILIZING OF CINNAMIC ALDEHYDE-CONTAINING FLAVORS WITH TERPENES AND SESQUETERPENES AND PROPYLENE GLYCOL AND DIPROPYLENE GLYCOL

摘要

ABSTRACT OF THE DISCLOSUREDentifrice formulations having improved stabilitt againstdiscoloration upon aging comprising an unsaturated aldehyde flavoring agentselected from the group consisting of cinnamic aldehyde and citral andabout 0.1-5% of (1) a terpene or sesquiterpene color stabilizer character-ized by trisubstituted double bonds and preferably selected from the groupconsisting of limonene and essential oils rich in limonene such as citrusoils, ocimene, caryophyliene and clove sesquiterpenes, myrcene, terpenederivatives thereof such as citronellyl acetate, and mixtures thereof, or(2) propylene glycol, dipropylene glycol and mixtures thereof, in a dentalvehicle free of oxidizing agents such as peracids and salts thereof andmaintained at a pH below 8.5 and preferably acid to slightly alkaline(about 5-7.5).