Description
Character: Purple sweet potato is a kind of red to purple-red powder or liquid, with a little characteristic odors, soluble in water and ethanol solution, not soluble in oil. The color is red to purple-red and stable when the solution is acidity. Neutral, the color is purple-blue. Alkalinity, the color is blue. It also has a good stability to heat and light.
Application：Coloring agent(purple-red). It can be applied in cakes, soaked food, jam, candy, fruit wine and fruit juice, etc.
Description:
Purple sweet potato red color is extracted and purified from the root of purple sweet potato(Ipomoes batatas).The pigment mainly consisits of anthocyanins and other flavonoides.
