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.

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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.

·Quality Standard

Items

Enterprise Standard

Powder

Liquid

Color Value E(1%、1cm、PH3.0、530±5nm)

30~100

10~30

pH 2~5 2~5

Loss on Drying

%  Less than

8

——

Ash

%  Less than

4

2

Lead(as Pb)

mg/kg Less than

2

2

Arsenic(as As)

mg/kg Less than

2

1

AerobicPlate Count

cfu/g less than

1,000

1,000

Pathogenic Bacteria

 

Negative

Negative

·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%
·Legal registered number
INS NO:163 EEC NO: E-163 KFDA NO:Natural Additives,142 Japanese NO: Natural Additives,434 FDA NO: 21CFR, 73.260
·Package

Powder is packed with corrugated box, carton, or plastic drum with inner double plastic bags, net weight is 10kg or 20kg for each container. Liquid is packed with plastic drum, net weight is 20kg.Package standards are also available according to consumer‵s demand.

·Storage

Sealed, avoid light, store in cool and dry place.

·Shelf Life

If the storage condition attains as mentioned above, Powder two years from production date, liquid is six months(unopened). Once opened, should seal up again and use within six months(powder)or one month(liquid).