| 摘要 |
1298742 Chewing gum composition W M WRIGLEY Jnr CO 12 Jan 1970 [10 Jan 1969 18 Sept 1969] 1450/70 Heading A5B [Also in Division A2] A chewing gum composition comprises a chewing gum base and at least one biologically acceptable ketoaldehyde in which the keto group may form part of an aldehyde group or alpha-hydroxyaldehyde each having 2-5 carbon atoms in a proportion effective as a humectant and/or anti-caries agent. Preferred aldehydes include pyruvaldehyde, glycolaldehyde, glyceraldehyde and alpha-hydroxypropionaldehyde. An abhesive may also be present, for example, an abhesive comprising a gelatintannic acid adduct and glycerine. |
