Natural Ingredient Purple Sweet Potato Color,China natural color price supplier

Purple sweet potato Color ( Deodorized)

 

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±3nm)		30~80	10~30
Loss on Drying	%  Less than	10	——
Ash	%  Less than	4	2
PH		2~4	2~4
Lead(as Pb)	mg/kg Less than	5	3
Arsenic(as As)	mg/kg Less than	2	1
Total Plate 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