Process for decaffeinizing raw coffee

Details Process for decaffeinizing raw coffee Process for decaffeinizing raw coffee

1980-06-13

1982-08-17

Golian, Joseph M.

Food or edible material: processes, compositions, and products

Involving ion exchange, sequestering or chelating material

426319, 426427, 426481, 426478, A23F 520

Patent

active

043449743

ABSTRACT:
A process for extracting caffeine from raw coffee by circulating humid nitrogen oxide N.sub.2 O gas in a hypercritical condition under predetermined pressure and temperature conditions through the raw coffee. Optionally the caffeine is separated from the extractor gas by an ion exchanger such as a three-dimensional cross-linked polysaccharide.

REFERENCES:
patent: 3108876 (1963-10-01), Turken et al.
patent: 3806619 (1974-04-01), Zosel
patent: 3843824 (1974-10-01), Roseluis et al.
patent: 4031251 (1977-06-01), Margolis et al.
Hawley, The Condensed Chemical Dictionary, 8th Ed., 1971, Van Nostrand Reinhold Co., N.Y., p. 780.

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