COFFEE COMPOSITION CONTAINING INSTANT FREEZE DRIED AND NATURAL ROASTED FINE-GRAINED COFFEE HAVING FRESHY BREWED NATURAL COFFEE TASTE AND AROMA AND ITS PRODUCTION METHOD Russian patent published in 2019 - IPC A23F5/46 

FIELD: food industry.

SUBSTANCE: group of inventions relates to the coffee industry. To obtain a product of instant coffee with the addition of natural ground coffee inside the dried frozen particles, which have the following size distribution: at least 20 % of the particles are particles with a size of more than 120 microns, 20 % are particles with a size of less than 15 microns and 50 % are particles with a size of less than 80 microns, the method is as follows. Grind roasted natural coffee beans and continuously mix in a static or auger mixer ground natural coffee with a concentrated coffee extract with a solids content of about 38–47 % to obtain a heterogeneous mixture. In the colloid mills for fine milling one performs two-staged grinding of suspended particles of ground roasted natural coffee in the produced heterogeneous mixture with concentrated liquid coffee extract. Resulting mixture is mixed in a static mixer with a separate stream of liquid concentrated coffee extract, which does not contain particles of ground natural coffee, to complete and uniform distribution of suspended particles of ground coffee in a liquid concentrated coffee extract. When grinding using cooled mill with a water jacket and cool the mixture using heat exchangers between the grind to a temperature of less than 10 °C. Preliminary two-stage freezing of the mixture is carried out: at the first stage, it is cooled to -1 °C, in the second stage to -5 °C. After that, deep freezing and freeze-drying of the mixture is carried out to obtain a finished fine product under very low pressure.

EFFECT: group of inventions provides a product with the taste and aroma of freshly brewed natural coffee.

3 cl, 1 dwg, 3 ex