Process for decaffeinating aqueous caffeine-containing extracts
AssigneeKraft Foods, Inc.
InventorsStefan Sipos, Gary V. Jones
Life of this patent
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Abstract
A process is described for decaffeinating caffeine-containing aqueous extracts with which the caffeine is extracted selectively with activated carbon fibers.
Claims12
Process for decaffeinating caffeine-containing aqueous extracts selected from the group consisting of aqueous green coffee extracts, aqueous roasted coffee extracts and aqueous tea extracts which comprises contacting said extract with activated carbon fibers which have not been preloaded and selectively adsorbing only caffeine and chlorogenic acid onto the activated carbon fibers.
Process for decaffeinating caffeine-containing aqueous green coffee extracts which comprises contacting said extract with activated carbon fibers which have not been preloaded and selectively adsorbing only caffeine and chlorogenic acid onto the activated carbon fibers without adsorbing sugar and other green coffee constituents onto the activated carbon fibers.
Process for decaffeinating caffeine-containing aqueous green coffee extracts which comprises contacting said extract with activated carbon fibers which have been preloaded only with chlorogenic acid and selectively adsorbing solely caffeine onto the activated carbon fibers without adsorbing sugar, chlorogenic acid or other green coffee constituents onto the activated carbon fibers.
Dependencies are inferred from the claim text.