Method for the extraction of roasted and ground coffee

Details Method for the extraction of roasted and ground coffee Method for the extraction of roasted and ground coffee

A - Human Necessities

23

F

99/81

A23F 5/26 (2006.01)

Patent

CA 1289806

METHOD FOR THE EXTRACTION OF ROASTED AND GROUND COFFEE ABSTRACT A method of extracting roasted and ground coffee is disclosed. Extraction water is fed to one end of an extraction vessel containing roasted and ground coffee, and coffee extract is withdrawn from the other end. Flow of water to and extract from the vessel is intermittently halted, and extracted roasted and ground coffee is intermittently discharged from the vessel while a portion of unextracted coffee is charged to the vessel at the other end. The movement of coffee in the extraction vessel is countercurrent relative to the flow of the extraction water. The method of the present invention is less complex, is more easily controlled, requires a lower capital investment and produces a higher concentration and more aromatic coffee extract than prior art processes.

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