CH623205

An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0 DEG to 100 DEG C. so as to absorb the caffeine and the chlorogen...

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Bibliographische Detailangaben
Hauptverfasser:	DAVID ROBERT FARR, IAN HORMAN
Format:	Patent
Sprache:	eng
Schlagworte:	COFFEE FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES MANUFACTURE, PREPARATION, OR INFUSION THEREOF PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL SEPARATION TEA THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR SUBSTITUTES THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0 DEG to 100 DEG C. so as to absorb the caffeine and the chlorogenic acid. Preferably adsorption takes place at a temperature of at most 30 DEG C. and the overall process includes the following subsequent steps: