Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Beverage or beverage concentrate
Patent
1984-01-18
1985-10-01
Golian, Joseph
Food or edible material: processes, compositions, and products
Products per se, or processes of preparing or treating...
Beverage or beverage concentrate
426417, A23F 524
Patent
active
045445672
ABSTRACT:
A method of simultaneously hydrolyzing spent coffee grounds and extracting the coffee oil therefrom is disclosed. Spent coffee grounds are slurried in water and the pH is adjusted by the addition of an acid to the slurry. A water-immiscible oil solvent is combined with and dispersed as fine droplets in the slurry. The dispersion is then passed through a reactor, preferably a plug flow reactor, so as to hydrolyze the spent coffee grounds and extract the coffee oil into the oil solvent droplets. The then coffee oil-containing oil solvent is separated from the aqueous hydrolysate and the spent grounds are also separated from the hydrolysate. The coffee oil is optionally recovered from the oil solvent and the aqueous hydrolysate is optionally neutralized and combined with a soluble coffee extract.
REFERENCES:
patent: 4508745 (1985-04-01), Fulger et al.
Sivetz et al., Coffee Technology, 1979, Avi:Westport, Connecticut, pp. 568-574.
Donovan Daniel J.
General Foods Corporation
Golian Joseph
Nabulsi Basam E.
Savoie Thomas R.
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