Process for decaffeinating green coffee beans with active...

Details Process for decaffeinating green coffee beans with active... Process for decaffeinating green coffee beans with active...

A - Human Necessities

23

F

99/80

A23F 5/20 (2006.01) A23F 5/22 (2006.01)

Patent

CA 1227689

A process for decaffeinating green coffee beans with active carbon. ABSTRACT A process for decaffeinating green coffee beans by extraction with water and treatment of the aqueous extract with active carbon, characterized in that the active carbon has a specific adsorption capacity for caffeine of at least 100 g/kg carbon, as defined herein, a specific selectivity of at least 0.200, as defined herein, and exhibits positive correlation between, on the other hand, the concentration of the bean extract, and on the other hand, the load ratio of caffeine/non-caffeine extract solids in the adsorbent when in equilibrium with that bean extract.

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