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Dynamic flavor release from chewing gum: Mechanisms of release
Emma B A Hinderink1, Shane Avison2, Remko Boom3
1Firmenich S.A., Rue de la Bergère 7, CH-1217 Meyrin 2, Geneva, Switzerland; Food Process Engineering, Wageningen University, PO Box 17, 6700, AA, Wageningen, the Netherlands.
Abstract:
Dynamic flavor release curves from chewing gum were measured using an Artificial Mouth coupled to the AFFIRM®. A flavor distribution model for chewing gum is proposed, where flavor is present as droplets in both the hydrophilic (water-soluble) and the hydrophobic (water insoluble) parts of the chewing gum and as molecularly dissolved in the hydrophobic part of the gum. During mastication, the flavor droplets in the water-soluble phase are released and responsible for an initial burst release. The flavor droplets captured in the gum-base are pushed towards the interface by mastication and are responsible for the subsequent release. The flavor molecules dissolved in the gum-base, released by diffusion, are only responsible for the release at very long time scales. It was found that the oil-water partition constant is an important parameter to explain the flavor release, where hydrophobic components show slower and longer release, while more hydrophilic components show more burst release.
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