Process for the decaffeination of tea

Details Process for the decaffeination of tea Process for the decaffeination of tea

A - Human Necessities

23

F

99/82

A23F 3/36 (2006.01) A23F 3/38 (2006.01)

Patent

CA 1279221

ABSTRACT Process for the decaffeination of tea The present invention provides a process for the decaffeination of tea containing 15 to 50% by weight of water with moist carbon dioxide at 255 to 350 bar and at 50 to 80°C. in an autoclave, subse- quent separation of the caffein from the carbon dioxide with the help of an adsorbent and recyclising the caffein-free carbon dioxide over the already extracted tea, wherein the adsorbent is distributed in the material to be extracted in an amount of from 5 to 40% by weight, referred to the dry weight of the tea.

507949

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