Process for preparing a spread

A - Human Necessities – 23 – D

Patent

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A23D 7/00 (2006.01) A23D 7/015 (2006.01) A23D 7/02 (2006.01) A23D 7/05 (2006.01)

Patent

CA 2327096

Butterlike spread not containing a substantial amount of butter fat which is prepared starting from a concentrated vegetable fat cream. The surface average size (D3,2) of the fat droplets of the cream being 3-7 µm ensures stability of the supercooled cream, so that it enters with a substantially liquid fat phase the inversion unit, whereafter the major part of the fat crystallizes after the emulsion has left the inversion unit and preferably under quiescent conditions. The cream is processed in a spread production line which comprises a device for making a O/W-emulsion with the necessary small fat droplets, a pasteurizer, a tubular heat exchanger and, as sole working, a cavity transfer mixer, which brings about the inversion.

Pour préparer une graisse à tartiner ressemblant à du beurre, ne contenant pas une quantité substantielle de matières butyreuses de beurre, on part d'une crème constituée d'une graisse végétale concentrée. La surface moyenne (D¿3,2?) des gouttelettes de graisse de la crème est comprise entre 3 et 7 µm, ce qui assure la stabilité de la crème surfondue et lui permet ainsi d'entrer avec une phase grasse sensiblement liquide dans l'unité de changement de phase. Quand l'émulsion sort de ladite unité, la plus grande partie de la graisse cristallise, de préférence à l'état quiescent. La crème est traitée dans une chaîne de production de graisse à tartiner, qui comprend un dispositif permettant de produire une émulsion aqueuse avec les petites gouttelettes de graisse nécessaires; un pasteurisateur; un échangeur thermique tubulaire; et, comme seule unité de traitement, un mélangeur à transfert de cavités, qui provoque le changement de phase.

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