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Red Grape Skin Extract

It 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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