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Purple sweet potato Red


Main Coloring Compositions : Anthocyanins (main contents: cyanidins, peonidins)

CAS No     39866-30-2


Purple Sweet Potato Color,a pure natural and water soluble food color, extracted from purple root tuber of edible purple sweet potato  It is processed through checking, washing, slicing, extracting, filtrating, purifying,concentrating,sterilizing(purple sweet potato color liquid),spraying & drying(purple sweet potato color powder). The main ingredient is anthocyanidin and flavones.
Purple sweet potato color powder is red to purple red, liquid is brown purple, both has the characteristic odor of sweet potato. It can be dissolved in water & alcohol, propylene glycol solution easily,but not in oil. The color of water solution changes when PH is different.When PH is between 2-6, the color is red or purple red. The solution color becomes blue, and is unstable when PH is above 6. The color of solution can not fade under light for a long time, and also has good resistance to high temperature in an acidic medium.
Main specification E10%700CV, E10%600CV & E10%500CV


It has been reported to possess a variety of biological activities, including anti-oxidant, anti-tumor, and anti-inflammatory

1. It is fit for dyeing or complementary color of wine, soda pop, fruit drink, jam, candy and so on;
2. It is fit for dyeing or complementary color of lipstick, shampoo ,rouge in cosmetics industry;
3. It can take place of chemosynthetic pigment and produce colourful drugs in drugs industry.
Food:  wine, beverage, fruit sauce, candy, cake. carbonic acid drinks, juice drink and jam.

Cosmetics:  lip stick, eye shadow, blusher etc.

Medicine:   replace the chemical synthetic pigment for colored pills.

Usage Reference
Beverages 0.01~0.1%,  candy 0.05~0.2%,  cake 0.01~0.1%
Storage  Sealed, avoid light, store in cool and dry place


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