Purified purple corn color and method of preparing the same

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

C09B 61/00 (2006.01) A23L 1/275 (2006.01) C09B 67/54 (2006.01)

Patent

CA 2474881

Purple corn color which has a high safety and no odor In odor components since impurities (odor components, precursor thereof, a mycotoxin fumonisintc) seemingly contained in the purple corn material have been eliminated therefrom; and color preparations containing the same. This purple corn color can be obtained by a preparation method comprising passing a purple corn color extract solution through an adsorption resin, washing with water, and releasing the purple corn color from the resin with the use of an aqueous solution containing alcohol of 25 to 45 v/v%.

L'invention concerne une couleur de maïs rouge sans danger et sans odeur de composants aromatiques étant donné que les impuretés (composants aromatiques, précurseurs de ceux-ci, toxine fongique telle que la fumonisine, etc.) apparemment contenues dans le produit de maïs rouge ont déja été éliminées de celui-ci. L'invention concerne également des préparations de couleur contenant ladite couleur. Cette couleur de maïs rouge peut être obtenue par un procédé de préparation consistant à faire passer un extrait de couleur de maïs rouge dans une résine adsorbante, à la rincer avec de l'eau, et à extraire la couleur de maïs rouge de la résine à l'aide d'une solution aqueuse d'alcool de 25 à 45 % en volume.

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