Method of stabilizing the color of the disodium salt of 5,5'-ind

Details Method of stabilizing the color of the disodium salt of 5,5'-ind Method of stabilizing the color of the disodium salt of 5,5'-ind

1994-07-27

1996-02-13

Czaja, Donald E.

Food or edible material: processes, compositions, and products

Preserving or modifying color by use of diverse additive

426250, 426265, 426321, 426540, 426573, 426576, A23L 1275

Patent

active

054909945

ABSTRACT:
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.

REFERENCES:
patent: 3920855 (1975-11-01), Dawson et al.
patent: 4139645 (1979-02-01), Werner
patent: 4442104 (1984-04-01), Wedral et al.
patent: 5300310 (1994-04-01), Eisen
patent: 5336510 (1994-08-01), Chang
Inskip, et al. Spectrophotometric Determination of Gallotannins in Beer, Journal of the AOAC, vol. 56, No. 6, pp. 1362-1364 (1973).
Brune, et al. Determination of Iron-Binding Phenolic Groups in Foods, Journal of Food Science, vol. 56, No. 1, pp. 128-131 (1991).

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