Method of coloring crystalline material

Details Method of coloring crystalline material Method of coloring crystalline material

1995-11-30

1997-01-28

Yeung, George

Food or edible material: processes, compositions, and products

Direct application of electrical or wave energy to food...

Heating by electromagnetic wave

426250, 426262, 426305, A23L 100, H05B 600

Patent

active

055975968

ABSTRACT:
The invention relates to a method of coloring a crystalline material, such as sodium chloride, and a product resulting therefrom. The method provides for a step of exposing a mixture of crystalline product and liquid coloring agent to microwave energy for a time sufficient to cause drying of the mixture. When mixed with table salt and other crystallized materials, a liquid food dye containing propylene glycol can be used in the concentration of between 0.1 and 2% by total weight.

REFERENCES:
patent: 3269845 (1966-08-01), Pomeroy
patent: 5002789 (1991-03-01), Graf et al.

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