Coffee aroma recovery process

A - Human Necessities – 23 – F

Patent

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A23F 5/48 (2006.01) A23F 5/36 (2006.01)

Patent

CA 2382215

A process for the recovery of aroma components from the coffee grounds. Coffee grounds are placed in a mixer. The coffee grounds are wet, heated, and exposed to decreased pressure to provide aroma containing gas containing aroma components. From 40 % to 95 % of the aroma components in the coffee grounds are collected from the aroma containing gas. The aroma components may be added to concentrated coffee extract prior to the drying of the extract. The coffee powder produced has much increased and improved aroma and flavour, particularly increased beta-myrcene and limonene in the reconstituted coffee beverage.

L'invention concerne un procédé de récupération de composants d'arôme de moutures de café. Ces dernières sont placées dans un mélangeur puis sont trempées, chauffées et exposées à une pression réduite de façon à fournir un gaz contenant l'arôme. Entre 40 % et 95 % des composants d'arôme présents dans les moutures de café sont récoltés par le gaz contenant l'arôme. Les composants d'arôme peuvent être ajoutés à un extrait de café concentré préalablement au séchage de ce dernier. La poudre de café produite possède une saveur et un arôme accrus et améliorés. La boisson au café reconstituée possède notamment une teneur accrue en béta-myrcène et en limonène.

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