Process for the deacidification of a coffee extract
AssigneeSociete d'Assistance Technique pour Produits Nestle S.A.
InventorsEdgardo Brambilla, Ian Horman
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Abstract
A process for reducing the acidity of a coffee extract is described in which the coffee extract undergoes electrodialysis. The non-cathodic extract is collected, contacted with subdivided chitosan and, after removal of the chitosan, is mixed with at least a part of cathodic extract to provide a deacidified coffee extract.
Claims10
A process for the preparation of a coffee extract of reduced acidity, which comprises subjecting an aqueous coffee extract, selected from the group consisting of an extract of green coffee, an extract of roasted coffee, a decaffeinated extract of green or roasted coffed and an extract of decaffeinated green coffee, to electrodialysis, recovering a cathodic and non-cathodic extract, contacting the non-cathodic extract with chitosan in divided form, removing the chitosan, and combining the non-cathodic extract with at least a part of the cathodic extract, wherein the acidity of the coffee extract is reduced such that the pH is increased in excess of from 1.5 to 5 pH units.
Dependencies are inferred from the claim text.