Aprotic solvent decaffeination

Details Aprotic solvent decaffeination Aprotic solvent decaffeination

1980-09-26

1984-09-18

Golian, Joseph M.

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

544275, A23F 520

Patent

active

044724438

ABSTRACT:
The process disclosed herein is capable of decaffeinating green coffee beans at a moisture content near that employed for shipping and storage. The green coffee beans are contacted with dimethyl sulfoxide, an aprotic solvent, to remove at least a portion of the caffeine. The caffeine is preferably removed from the solvent by use of a solid adsorbent such as activated carbon.

REFERENCES:
patent: 953073 (1910-03-01), Trillich
Jacob et al., Dimethyl Sulfoxide, 1971, Marcel Dekker: New York, vol. I, p. 113.
Martin et al., Dimethyl Sulfoxide, 1975, Van Nostrand Reinhold Co., Ltd.: Berkshire, England, pp. Preface (V), 49-51, 269, 436.

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