Improvements related to tea processing

Améliorations relatives au traitement du thé

Verbesserungen in Bezug auf die Behandlung von Tee


A process for preparing a decaffeinated tea product comprises subjecting green, partly processed or black leaf to solvent extraction by contacting the said leaf one or more times with an organic solvent medium, wherein the organic solvent medium comprises ethyl acetate and is rich in non-caffeine tea products by (i) being previously subjected to contact with decaffeinated tea or (ii) being previously subjected to contact with non-decaffeinated tea followed by selective removal of caffeine.




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Patent Citations (3)

    Publication numberPublication dateAssigneeTitle
    EP-0050482-A1April 28, 1982A.G. (Patents) LimitedProcédé de préparation de thé décaféiné
    GB-1417649-ADecember 10, 1975Brooke Bond Liebig LtdTea
    US-4562083-ADecember 31, 1985General Foods CorporationDecaffeination of green coffee with n-butyl acetate

NO-Patent Citations (0)


Cited By (3)

    Publication numberPublication dateAssigneeTitle
    US-7182970-B2February 27, 2007Lipton, Division Of Conopco, Inc.Beverage brewing system and method for brewing a beverage
    WO-2008037417-A1April 03, 2008Plantextrakt Gmbh & Co. KgExtrait de thé vert, utilisé en particulier comme aliment fonctionnel, complément alimentaire ou ingrédient correspondant, son utilisation et procédé de production associé
    WO-2009040194-A1April 02, 2009Unilever Plc, Unilever N.V., Hindustan Unilever LimitedProcess for extracting theaflavins from tea