Unsaturated acids for fading protection of colors derived...

A - Human Necessities – 23 – L

Patent

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Details

A23L 2/02 (2006.01) A23L 2/44 (2006.01) A23L 2/58 (2006.01) A23L 2/68 (2006.01)

Patent

CA 2746229

A beverage product that includes water, a color derived from natural sources, and a compound in an effective amount to inhibit fading of the at least one color derived from natural sources, the compound being an unsaturated acid, and may be selected from the group consisting of maleic acid, maleic anhydride, aconitic acid, mesaconic acid, itaconic acid, and fumaric acid, and combinations thereof. The incorporation of the compound can be particularly useful for inhibiting color fading of the beverage product under thermal stress. The colors derived from natural sources may be an anthocyanin, chalcones such as carthamin and/or a color derived from the reaction of an iridoid and amino acids, and combinations thereof. The compound may be present in an amount between about 30 ppm and 1000 ppm. The compound can be effective to prevent color fading even in the presence of ascorbic acid, which promotes the fading of colors derived from natural sources. In addition, a method for inhibiting fading of colors derived from natural sources in a beverage composition is provided.

L'invention concerne une boisson qui contient de l'eau, un colorant dérivé de sources naturelles, et un composé en une quantité efficace pour inhiber l'altération de la ou des couleurs de colorants dérivés de sources naturelles, le composé étant un acide insaturé, et pouvant être choisi dans l'ensemble constitué d'acide maléique, anhydride maléique, acide aconitique, acide mésaconique, acide itaconique, et acide fumarique, et leurs combinaisons. L'incorporation du composé peut être particulièrement utile pour inhiber l'altération des couleurs du produit de boisson sous stress thermique. Les colorants dérivés de sources naturelles peuvent être une anthocyanine, des chalcones comme la carthamine et/ou un colorant dérivé de la réaction d'un iridoïde et d'acides aminés, et leurs combinaisons. Le composé peut être présent en une quantité comprise entre environ 30 ppm et 1000 ppm. Le composé peut être efficace pour prévenir l'altération des couleurs même en présence d'acide ascorbique, qui active l'altération des couleurs de colorants dérivés de sources naturelles. En outre, l'invention concerne un procédé d'inhibition de l'altération de couleurs de colorants dérivés de sources naturelles dans une composition de boisson.

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