Method of stabilizing the color of the disodium salt of...

Details Method of stabilizing the color of the disodium salt of... Method of stabilizing the color of the disodium salt of...

C - Chemistry, Metallurgy

09

B

C09B 7/02 (2006.01) A23L 1/27 (2006.01) A23L 1/275 (2006.01) C09K 15/04 (2006.01)

Patent

CA 2153089

The color of the disodium salt of 5,5'-indigotin disulfonic acid (i.e., FD&C Blue No. 2) in aqueous media held in an aluminum container is stabilized by the addition of tannic acids, ortho-phenanthroline, apoferritin, serum albumin or egg protein.

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