Method of making a solid crystalline composition consisting...

Details Method of making a solid crystalline composition consisting... Method of making a solid crystalline composition consisting...

C - Chemistry, Metallurgy

07

D

260/366.7

C07D 307/62 (2006.01)

Patent

CA 1137095

ABSTRACT OF THE DISCLOSURE The invention is directed to a method of making crystalline calcium ascorbate by reacting ascorbic acid and calcium carbonate in liquid water medium, using some excess of carbonate, at a temperature of not more than about 70°C., under controlled conditions so that the reaction mixture is maintained saturated with carbon dioxide gas and a carbon dioxide foam blanket is maintained over the reaction mixture during the reaction time, said water being present in the reacto? in an amount which provides a reaction product solution having a syrupy viscosity, and spontaneously crystallizing out of said syrup a mass consisting essentially of calcium ascorbate, which calcium ascorbate is a source of Vitamin C activity.

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