Botanical Extract, Botanical Extracts Dyes, Natural Dyes, Natural Dyes Company, Botanical Extract Dyes Inc

Purple Sweet Potato Pigment Botanical Extracts Dyes

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).
Purple Sweet Potato Pigment
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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.

Phone:+86-25-85789151 E-mail:sales@botanical-extract.net

Characteristics Purple Sweet Potato Natural Pigment

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 Purple Sweet Potato Natural Pigment

Items Enterprise Standard
Powder Liquid
Color Value E(1%、1cm、PH3.0、530±5nm) 30~100 10~30
Loss on Drying %  Less than 8 ——
Ash %  Less than 4 2
PH
2~5 2~5
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 and Usage Instruction(in compliance with GB2760:Hygienic standards for uses of food additives)

Purple sweet potato color can be widely used in wine, beverage, fruit sauce, candy, cake.

Usage Reference(in compliance with GB2760:Hygienic standards for uses of food additives)

Beverages:0.01~0.1%,candy:0.05~0.2%,cake:0.01~0.1%

Package Purple Sweet Potato Natural Pigment

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 Purple Sweet Potato Natural Pigment

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

Shelf Life Purple Sweet Potato Natural Pigment

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).

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