Purple Sweet Potato Color is a kind of natural edible color which is made from crushed purple sweet potato through an extraction, filtration, refining, concentration and sterilizing processes. Its main compositions are anthocyanins and flavones. This product is red purple liquid or powder which is easily dissolved in water and water-alcohol solutions. With the increase of pH values, the color is changing gradually: from red to red purple, later purple-green, and finally green. It has good heat and light resistance and strong anti-oxidation ability. It is suitable for integrated alcoholic beverages, carbonic acid drinks, juice drinks, jelly, preserved fruit, candy, pastry and so on.

Food color

1.It is a kind of natural edible pigment extracted from scammony purple sweet potato.

2.It contains anthocyanins and flavones.

3.The amaranthine powder or liquid color is soluble in water, alcohol, but insoluble in oil and absolute alcohol.

4.The environment PH value can influence its hue and stability. At PH 2.0-6.0, the color is red or amaranthine; at PH 7.0, it is blue: at PH above 7.0, it is unstable green.

5.it can be used in the coloring of wine, carbonic acid drinks, juice drink, jam and candy.

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