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US 7,858,138 B2Granted
Method for decaffeinating tea
AssigneeNATECO2 GmbH & Co. KG
InventorsManfred Gehrig, Stefan Geyer, Josef Schulmeyr, Birgit Forchhammer, Karin Simon
Life of this patent
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Abstract
The invention relates to a method for decaffeinating tea (Camellia sinensis). The method involves of using, as an extraction agent, a carbon dioxide which is compressed of a pressure greater than 50 and up to 100 MPa.
Claims5
Process for the decaffeination of tea of the plant Camellia sinensis by extraction with carbon dioxide and subsequent separation of the caffeine from the carbon dioxide charged therewith, wherein the extraction is carried out at a pressure from 60 to 100 MPa and a temperature of from 10 to 80° C.
Dependencies are inferred from the claim text.