Encapsulation of volatile aroma compounds

A - Human Necessities – 23 – L

Patent

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Details

A23L 1/22 (2006.01) A23F 3/16 (2006.01) A23F 5/46 (2006.01) A23F 5/48 (2006.01) A23L 2/395 (2006.01)

Patent

CA 2199174

A process of encapsulating volatile aroma compounds in which an inert gas is dissolved in an aromatized edible liquid. The aromatized, gasified liquid is co-extruded with a molten carbohydrate material having a glass transition temperature of between 20 ° C and 80 ° C to provide a continuous extrudate having an outer shell of the carbohydrate material surrounding an inner core of the aromatized, gasified liquid. The continuous extrudate is extruded into a pressure chamber having a pressure higher than the internal pressure of the inert gas in the aromatized liquid core, and is maintained under such pressure until the carbohydrate shell has cooled to below the glass transition temperature. When placed in hot liquid, the inert gas expands and ruptures the capsules, releasing the aroma compounds.

L'invention se rapporte à un procédé d'encapsulation de composés aromatiques volatils, dans lequel un gaz inerte est dissous dans un liquide comestible aromatisé. Le liquide gazéifié, aromatisé est coextrudé avec une substance glucidique fondue ayant une température de transition vitreuse comprise entre 20 DEG C et 80 DEG C, et forme un extrudat continu dont l'enveloppe externe constituée de la substance glucidique entoure une partie centrale interne du liquide gazéifié, aromatisé. L'extrudat continu est extrudé dans une chambre de compression ayant une pression supérieure à la pression interne du gaz inerte se trouvant dans la partie centrale liquide aromatisée, et est maintenu sous cette pression jusqu'à ce que l'enveloppe glucidique se soit refroidie et ait atteint une température inférieure à la température de transition vitreuse. Lorsqu'il est placé dans un liquide chaud, le gaz inerte se détend et provoque la rupture des capsules, libérant les composés aromatiques.

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