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    • 3. 发明授权
    • Unsaturated acids for fading protection of colors derived from natural sources used in beverage products
    • 用于褪色保护来自饮料产品中使用的天然来源的颜色的不饱和酸
    • US08158183B2
    • 2012-04-17
    • US12335191
    • 2008-12-15
    • Glenn RoyStephen LetourneauCathy CulverJohn Behrens
    • Glenn RoyStephen LetourneauCathy CulverJohn Behrens
    • A23L2/00
    • A23L2/58A23L2/02A23L2/44A23L2/68
    • A beverage product that includes water, a color derived from natural sources, and a compound in an effective amount to inhibit fading of the color derived from natural sources. The compound is an unsaturated acid, and may be selected from the group consisting of maleic acid, maleic anhydride, aconitic acid, mesaconic acid, itaconic acid, and/or fumaric acid. 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, cyclohexene dione dimers and/or a color derived from the reaction of an iridoid and amino acids. For example, the colors may include purple sweet potato, black carrot, purple carrot, black currant, blueberry, carthamus yellow, and/or gardenia blue. 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.
    • 一种饮料产品,其包括水,衍生自天然来源的颜色,以及有效量的化合物,以抑制衍生自天然来源的颜色的褪色。 化合物是不饱和酸,可以选自马来酸,马来酸酐,乌头酸,中康酸,衣康酸和/或富马酸。 化合物的掺入可以特别适用于抑制饮料产品在热应力下的褪色。 衍生自天然来源的颜料可以是花青素,环己烯二酮二聚体和/或衍生自环烯醚萜和氨基酸的反应的颜色。 例如,颜色可以包括紫色甘薯,黑胡萝卜,紫色胡萝卜,黑醋栗,蓝莓,黄褐色和/或栀子蓝。 即使在存在抗坏血酸的情况下,该化合物也可以有效地防止颜色褪色,这促进了源于天然来源的颜色的褪色。