Specification :

Purple Sweet Potato Color
Purple Sweet Potato Color, a pure natural and water soluble food color produced by our company, 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.
Appearance: 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.
Applications: Purple sweet potato color can be widely used in wine, beverage, fruit sauce, candy, cake.
Usage Reference: Beverages 0.01^ 0.1%  candy 0.05^ 0.2%  cake 0.01^ 0.1%

Contact person: Miki
E_mail: miki@ international-biz.com
MSN: mengshuwang2010@ hotmail.co m