Properties:Purple sweet potato is extracted from Ipomoea batatas L. Its
main composition include Anthocyanins and other flavonoides. It appears
Red or red-purple liquid or powder. In aqueous solution ,the color is different on its PH value.
Raw Material →comminute → Immersion in water → Filtering →Purification → Concentration → Killing of Bacteria →Liquid
| item | liquid |
| E (1%,1cm) 528nm | ≥5~20 |
| Ash content % | ≤2 |
| Heavy Metal mg/kg | ≤20 |
| As mg/kg | ≤5 |
| Pb mg/kg | ≤4 |
| Total bacteria /g | ≤100 |
| Colon bacillus /100g | ≤30 |
| Pathogenic bacteria | none |
Usages: Applicable to food, beverages and wine.