Process for the decaffeination of green coffee

Details Process for the decaffeination of green coffee Process for the decaffeination of green coffee

1986-04-07

1988-03-01

Golian, Joseph

Food or edible material: processes, compositions, and products

Processes

Separating a starting material into plural different...

426427, A23F 520

Patent

active

047285257

ABSTRACT:
An improvement in the process of decaffeinating green coffee at high pressure with moist carbon dioxide gas in the supercritical state. The decaffeination takes place in a heating profile of at least two distinct heating periods for predetermined times. During the first heating period, the temperature is maintained between 40.degree. C. and 70.degree. C. This first period may be conducted in several steps or in a single rising temperature step. In the second heating period, the temperature is maintained above 70.degree. C. but below 85.degree. C. The second heating period constitutes between one-fifth and one-third of the total heating time resulting in a higher quality product with the same quantity of caffeine removed as prior processes run at a single temperature.

REFERENCES:
patent: 4255461 (1981-03-01), Javosky et al.
patent: 4322445 (1982-03-01), Peter et al.
patent: 4344974 (1982-08-01), Sirtl
patent: 4411923 (1983-10-01), Hubert et al.
patent: 4472442 (1984-09-01), Katz

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