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EspañolIt is a natural food color extracted from the peel of grape through concentration, filtration, refining and sterilizing processes. Its main composition is anthocyanins. It is a red purple liquid or powder which is easily dissolved in water and water-alcohol solutions. Its hue will be affected by various pH values: red purple in acid, dark blue in alkaline. It has high heat and light resistant. It is widely used in wine, cold drink, alcoholic beverage, cake, jam and so on.
| Item | Specification | |
| Liquid | Powder | |
| Appearance | Dark red liquid | Dark red powder |
| Color unit 526nm | 10 ~ 20 | 10 ~ 30 |
| PH | 2.0 ~ 3.0 | 2.0 ~ 3.0 |
| Citric acid % | 3 ~ 5 | 3 ~ 5 |
| Total bacteria count | ≤1000cfu/ml | ≤1000cfu/g |
| E. coil count | ≤30cfu/100ml | ≤30cfu/100g |
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