Process for preparing microporous structured soluble coffee...

Details Process for preparing microporous structured soluble coffee... Process for preparing microporous structured soluble coffee...

A - Human Necessities

23

F

99/76

A23F 5/12 (2006.01) A23F 5/32 (2006.01) A23F 5/48 (2006.01)

Patent

CA 1139980

ABSTRACT A freeze-dried soluble coffee product in the form of particles or granules and having a microporous structure is prepared by prechilling a metal plate in a liquid refrigerant, immersing the plate in aqueous extract of coffee solids, reimmersing the plate in a liquid refrigerant, removing the frozen particles in the form of flakes from the plate, grinding and freeze-drying the flakes to produce frozen extract particles with reduced entrainment losses. The product so prepared has a unique porosity and is capable of sorbing, retaining and releasing volatile aromatic compounds.

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