Cosmetic colorant

Perfect solubility,natural,deodorized,less odour.The 1st natural color for Geographic Indication Protection product in China.

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

Cosmetic colorant