Coloring composition as well as preparation method and application thereof

The invention discloses a coloring composition as well as a preparation method and application thereof. The coloring composition is prepared from the following raw materials: a beet root extracting solution, a red yeast rice extracting solution and a blackcurrant grape extracting solution. According to the coloring composition disclosed by the invention, the beet root extracting solution, the red yeast rice extracting solution and the blackcurrant grape extracting solution are combined, so that the color of food can be purplish red after the food is colored; and after the food is colored, the coloris not easy to fade, the stability is good, and the taste of the food is not influenced. The coloring composition disclosed by the invention is applied to food production; food materials are selected and set, and a food production procedure is optimized, so that the food which is delicious and has a unique shape can be prepared. 本发明公开了一种着色组合物及其制备方法和应用，所述着色组合物的制备原料包括：甜菜根提取液、红曲米提取液、黑加仑葡萄提取液。本发明通过将甜菜根、红曲米和黑加仑葡萄的提取液进行组合