Natural Colorants

Natural Colorants

Purple Sweet Potato Color

  • Appearance: Purple-red to Dark Purple Fine Powder
  • Particle Size: 80mesh
  • Extract solvent: Ethanol
  • Solubility :100% water soluble
  • Certified :Kosher, HALAL, FDA, ISO


Purple Sweet Potato Color is a pure natural and water soluble food color which is extracted from purple root tuber of edible purple sweet potato (Impomoea batatas )  planted locally. The process is checking, washing, slicing, extracting, filtrating, purifying, concentrating, sterilizing(purple sweet potato color  liquid), spraying & drying(purple sweet potato color  powder). The main ingredient is cyanidin acyl glucoside & peonidin acyl glucoside. 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 between2-6, 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’t fade under light for a long time, and also has good resistance to high temperature in an acidic medium.

Product Name Purple Sweet Potato Color
Botanical Source Solanum tuberdsm
Appearance Purple-red to Dark Purple Fine Powder
Particle Size 80mesh
Color Value E30-90
PH 2.0-6.0
Extract solvent Ethanol
Solubility 100% water soluble
Application Beverages, Drinks, Candy, Ice cream, Coating of pill, cosmetics etc.
Certified Kosher, HALAL, FDA, ISO
Quality Non-GMO,Non-irradiation, Allergen Free, BSE/TSE Free


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