Coffee aroma recovery process and aroma product

Details Coffee aroma recovery process and aroma product Coffee aroma recovery process and aroma product

A - Human Necessities

23

F

A23F 5/48 (2006.01) A23F 5/32 (2006.01) A23F 5/34 (2006.01)

Patent

CA 2324925

A process for the recovery of aroma components from coffee. A slurry of coffee grounds in an aqueous liquid is subjected to stripping for stripping aroma components from the slurry. The stripping is carried out using gas in a substantially counter-current manner to provide an aromatised gas containing aroma components. The aroma components are then collected from the aromatised gas. The aroma components may be added to concentrated coffee extract prior to drying of the extract. The coffee powder produced has much increased and improved aroma and flavour and contains higher levels of furans and diketones.

L'invention concerne un procédé de récupération de constituants d'arômes de café. Un coulis de café moulu, dans un liquide aqueux, est soumis à une désorption pour extraire les constituants d'arômes contenus dans le coulis. Cette opération de désorption s'effectue à l'aide d'un gaz, de manière sensiblement à contre-courant pour obtenir un gaz aromatisé contenant les constituants d'arômes. Ces derniers sont ensuite extraits du gaz aromatisé et sont recueillis. Ils peuvent être ajoutés à de l'extrait de café concentré avant de sécher l'extrait. La poudre de café obtenue présente un arôme et une saveur meilleurs et plus intenses et contient des taux élevés de furanes et de dicétones.

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