Freeze drying a frozen foam of coffee concentrate

Details Freeze drying a frozen foam of coffee concentrate Freeze drying a frozen foam of coffee concentrate

1981-12-07

1986-01-21

Golian, Joseph

Food or edible material: processes, compositions, and products

Processes

Freeze drying or freeze concentrating

34 5, 426470, 426386, 426594, A23F 532

Patent

active

045657068

ABSTRACT:
Freeze dried soluble coffee having a density of about 0.2 to 0.3 gm/cc is prepared from concentrated coffee extract by foaming the extract with inert gas, freezing the foam and freeze drying the frozen foam. Other features of the invention appear in the following specification.

REFERENCES:
patent: 2431496 (1947-12-01), Natelson
patent: 2974497 (1961-03-01), Carpenter et al.
patent: 2981629 (1961-04-01), Ginnette et al.
patent: 3244529 (1966-04-01), Johnson et al.
patent: 3253420 (1966-05-01), De George
patent: 3482990 (1969-12-01), Pfluger et al.
Swetz et al., "Coffee Processing Technology", vol. I, 1963, Avi: Westport, Conn., pp. 506-509.
Flosdorf, "Freeze Drying", 1949, Publ. by Reinhold Publ. Corp.: N.Y., pp. 128-129.
Perry, The Chemical Engineer's Handbook, 3rd Ed., 1950, McGraw-Hill: New York, pp. 854-856.
Morris, The Dehydration of Foods, 1948, D. Van Nostrand: New York, pp. 23, 47-50.

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