Process for cooking or gelatinizing materials

Details Process for cooking or gelatinizing materials Process for cooking or gelatinizing materials

1979-12-14

1981-07-28

Marantz, Sidney

Sugar, starch, and carbohydrates

Products

Modified starches

127 28, 127 69, 127 70, 127 71, 159 4ST, 260112R, 426579, 239403, C13L 104, C13L 108

Patent

active

042808510

ABSTRACT:
A process and apparatus is provided for cooking or gelatinizng a material in an atomized state, so that there is obtained an easily dryable, uniform and finely-sized product. The material which is to be cooked is injected through an atomization aperture in a nozzle assembly to form a relatively finely-sized spray. A heating medium is also injected through an aperture in the nozzle assembly into the spray of atomized material so as to heat the material to a temperature effective to cook or gelatinize the material. An enclosed chamber surrounds the atomization and heating medium injection apertures, and defines a vent aperture positioned to enable the heated spray of material to exit the chamber. The arrangement is such that the elapsed time between passage of the spray of material through the chamber, i.e., from the atomization aperture and through the vent aperture, defines the cooking or gelatinization time of the material. The apparatus and process disclosed herein are particularly useful in preparing a novel uniformly gelatinized starch product, but also have utility in connection with cooking protein or other suitable materials.

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K. Masters, "Spray Drying: Introduction to Principles, Operational Practice and Application," 2nd Edition, pp. 595, 596, Halsted Press, New York, 1976.
"Starch: Chemistry and Technology, Industrial Aspects," vol. II, Whistler et al., eds., pp. 206-208, 238, 239, 644-646; Academic Press, New York, 1967.
"Industrial Catalog #26a; Spray Nozzles and Accessories," section on Air Atomizing Nozzles, published by Spraying Systems Co., Wheaton, Illinois, 1973.

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