The item here is only sample purpose, if you need large order for Purple sweet potato red pigment, please contact us.
Red cabbage Color, a pure natural and water soluble food color produced by our company, is extracted from edible red cabbage of Cruciferae family planted locally. The process is checking, washing, slicing, extracting, filtrating, purifying, concentrating, sterilizing(Red Cabbage Color liquid), spraying & drying(Red Cabbage Color powder). The main coloring ingredient is anthocyanins which contain cyanidin
·Appearance
Red Cabbage Color power is deep red, liquid is brown purple. It can be dissolved in water & alcohol, acetic acid, propylene glycol solution easily, but not in oil. The color of water solution changes when PH is different. When PH is below 3, the color is purple red, the color is pink red when PH is between 4-6, and the colourity is ideal stability. The solution color becomes blue & green, and is unstable when PH is above 6. The color of solution cant fade under light for a long time, and also has good resistance to high temperature in an acidic medium.