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Abstract

A process for the preparation of chocolate paste is disclosed wherein various ingredients such as cocoa and powdered sugar are subjected to grinding and powdered sugar are subject to operations grinding to a predetermined degree of particle size, fluidification by dispersion of the particles of sugar and cocoa into a continuous fatty phase and of degassing for the removal of water and undesirable volatile compounds. At least one portion of the treatment is carried out in a conveyor with several screws provided with means for regulating the temperature of the entrained material. According to the invention, after a preliminary grinding of the ingredients to obtain a refined paste having the desired degree of particle size in the screw conveyor a dry-conching treatment of the refined paste is carried out and then the liquefaction of the paste is obtained by the incorporation of adjuvants. The dry conching treatment comprises a first step of simple malaxation of the refined paste with rise in temperature and then at least one second malaxation step with production of effects of rolling and shearing whose intensity increases progressively, each malaxation step being followed by a degassing step and the intensity of said effects of rolling and shearing being determined so that the means of regulation of the temperature of the material enable the latter to be maintained at the optimum level of conching and the particle size is preserved.

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First Claim