Food or edible material: processes – compositions – and products – Processes – Separating volatile essence and combining the separated...
Patent
1980-09-15
1982-07-27
Golian, Joseph M.
Food or edible material: processes, compositions, and products
Processes
Separating volatile essence and combining the separated...
426422, 426427, A23F 518
Patent
active
043418040
ABSTRACT:
Aqueous extracts of roasted coffee are stripped of aroma, concentrated and thereafter decaffeinated by means of contact with a decaffeinating fluid such as liquid or supercritical carbon dioxide. Aroma loss is minimized by using water to remove caffeine and aroma from the CO.sub.2 stream, recovering aromatics from this caffeine-containing aqueous stream and adding-back these aromatics to the decaffeinated extract. Preferably equipment cost is minimized by use of a single pressure vessel to transfer the caffeine from the extract stream to the CO.sub.2 and from the CO.sub.2 to the water stream.
REFERENCES:
patent: 4246291 (1981-01-01), Prasad et al.
Gottesman Martin
Prasad Ravi
Scarella Robert A.
Donovan Daniel J.
General Foods Corporation
Golian Joseph M.
Savoie Thomas R.
Sullivan Thomas V.
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