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[Name] :Purple sweet potato Red color
 
[Origin] :Purple sweet potato red color is extracted and purified from the root of purple sweet potato(Ipomoes batatas).
 
 
[Composition]: The pigment mainly consisits of anthocyanins and other flavonoides.
 
 
[Characteristics]:Purple sweet potato is a kind of red to purple-red powder or liquid, with a little characteristic odors, soluble in water and ethanol solution, not soluble in oil. The color is red to purple-red and stable when the solution is acidity. Neutral, the color is purple-blue. Alkalinity, the color is blue. It also has a good stability to heat and light.
 
 
[Standard] :
 
Item
Powder
Liquid
E1%,1cm,528nm
10-60
8-30
Loss on drying           ≦
10%
 
Heavy metal               ≦
20mg/kg
20mg/kg
Arsenic(As)               ≦
4mg/kg
4mg/kg
Lead(Pb)                    ≦
5mg/kg
5mg/kg
Total bacteria             ≦
1000个/g
1000个/g
Pathogenic bacteria
None
None
 
 
[Application]:Coloring agent(purple-red). It can be applied in cakes, soaked food, jam, candy, fruit wine and fruit juice, etc.

 

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