| ≥1 piece |
Red or red-purple liquid or powder. In aqueous solution the color varies with its PH. Used in beverage, jelly, candy, etc.
Purple sweet potato is extracted from Ipomoea batatas L.
Main composition: Anthocyanins and other flavonoides.
Properties: Red or red-purple liquid or powder. In aqueous solution the color varies with its PH. When PH is 2-6, it is red; when PH is more than 7, the color is violet or blue.
Quality standard:
| ITEMS | INDICES | |
| Appearance | Liquid | Powder |
| Red or Purple-red | Red or Purple-red | |
| Color Value E 10%1cm 530nm | 50—200 | 200—600 |
| Loss on Drying ≤ | — | 10% |
| Ash ≤ | 2% | 4% |
| Heavy Metal ppm ≤ | 20 | 20 |
| Lead ppm ≤ | 5 | 5 |
| Arsenic ppm ≤ | 2 | 2 |
| Microbiologic Quality | Conforms to Standards of Food Additives | |
|
Technological Process: Raw Material → Slicing → Immersion in water → Filtering →Purification → Concentration in Vacuum → Killing of Bacteria →Liquid
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Applications/Use Rates:
Fruit Preps, Beverages; 0.01-0.05%
Storage Conditions:
Avoid exposure to heat, air, and light. Recommended storing at refrigerator conditions for maximum shelf life of 2 years .
| Other Names: Purple Sweet Potato extract | Place of Origin: China (Mainland) | Type: Antioxidants, Colorants |
| Brand Name: RAINBOW | Model Number: E20, E25, E40, E50 | purple sweet potato: Red |