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Specifications:
1. Dissolved in water
2. Natural purple potato, high purity anthocyanidin
3. Color Value: E50-80
1. Purple sweet potato color, powder is red to purplish red, liquid is brown purple, both has the characteristic odor of sweet potato.
2. It can be dissolved in water & alcohol, propylene glycol solution easily, but not in oil.
3. The color of water solution changes when PH is different. When PH is between 2-6, the color is red or purplish red. The solution color becomes blue, and is unstable when PH is above 6.
ANALYSIS
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SPECIFICATION
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RESULTS
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Appearance
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Dark red powder
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Complies
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Color value (1%,
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≥60
|
62.3
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Loss on Drying
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≤5.0%
|
3.7%
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Residue on Ignition
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≤5%
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2.8%
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Heavy Metal
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<5ppm
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Complies
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As
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<3ppm
|
Complies
|
Pb
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<2ppm
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Complies
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Residual Pesticide
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Negative
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Complies
|
Microbiology
|
|
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Total Plate Count
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<1000cfu/g
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Complies
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yeast & Mold
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<100cfu/g
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Complies
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E.Coli
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Negative
|
Complies
|
Salmonella
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Negative
|
Complies
|
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