Water ice product and process of manufacture

Details Water ice product and process of manufacture Water ice product and process of manufacture

A - Human Necessities

23

G

A23G 9/32 (2006.01) A23G 9/20 (2006.01)

Patent

CA 2318859

A water ice product is provided which is stable to processing and storage at - 18 °C, said product having a channelled porous structure having a gas phase volume of between 0.1 and 0.45 after hardening, wherein the water ice product comprises a stabiliser and not less than 0.1 wt.% protein based aerating agent. Also provided is a process for preparation of the above water ice product, comprising the steps: (i) aeration of a water ice composition with an aerating gas which contains at least 50 % by volume of a water soluble gas; (ii) freezing in a freezer such that the residence time in the freezer is approximately 2.5 to 10 minutes; and (iii) two-stage hardening.

L'invention porte sur un produit de glace hydrique stable au traitement et au stockage à -18 DEG C, ce produit ayant une structure poreuse à canaux dont le volume de la phase gazeuse est compris entre 0,1 et 0,45 après durcissement. Ce produit de glace hydrique comprend un stabilisant, et un agent d'aération à base de protéines dans une quantité inférieure à 0,1 % en poids. L'invention porte également sur un procédé de préparation du produit de glace hydrique précité comprenant les étapes suivantes: (i) aération d'une composition de glace hydrique avec un gaz d'aération contenant au moins 50 % en volume d'un gaz soluble dans l'eau; (ii) congélation dans un congélateur sur une durée comprise approximativement entre 2,5 et 10 minutes; et (iii) durcissement en deux étapes.

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