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Grape Skin Extract, a pure natural and water soluble food color produced by our company, is obtained by extracting skins of edible purple grape fruit of vitaceae which are planted locally. The process is extracting, refining. The major pigment component is enocyanin of anthocyanins.
Grape skin extract powder is purplish red, liquid is brown purple, both has the slight characteristic odor of grape. It can be dissolved in water & alcohol, propylene glycol solution easily, but not in oil. The color shade of water solution changes when PH is different. When PH is between 2-6, it is stable and the color is purplish red. The solution color becomes blue, and is unstable when PH is above 6. The color of solution can’t fade under light for a long time, and also has good resistance to high temperature in an acidic medium.
Applications and Usage Instruction (in compliance with GB2760: Hygienic standards for uses of food additives)
Grape Skin Extract can be widely used in beverages ( excluding14.0 packed drinking water ) , frozen drinks ( edible ice excluded),candy, cakes, jam, imitation wine.
When use Grape Skin Extract, dissolve the color a small amount of water first, and then mix the color solution with food materials.
Usage Reference (in compliance with GB2760: Hygienic standards for uses of food additives)
The maximum usage limit for beverages (packed drinking water and solid beverages excluded) is 2.5g/kg, for candy and cakes is 2.0/kg, for jam is 1.5/kg, when used in solid beverages, the usage quantity can be increased according to the multiples of dilution, for other products is 1.0/kg.
Powder is packed with corrugated box, carton, or plastic drum with inner double plastic bags, net weight is 10kg or 20kg for each container. Liquid is packed with plastic drum, net weight is 20kg.Package standards are also available according to consumer‵s demand.
Sealed, avoid light, store in a cool and dry place.
If the storage condition attains as mentioned above, powder is two years from production date. Once opened, should seal up again and use within six months.
|Color Value E（1%、1cm、PH3.0、525±10nm）||10～70||4～15|
|Loss on Drying||% Less than||8.0||—|
|Ash||% Less than||2.0||1.0|
|Arsenic（as As）||mg/kg Less than||3.0||3.0|
|Lead（as Pb）||mg/kg Less than||2.0||2.0|
|Aerobic Plate Count||cfu/g Less than||1,000||1,000|
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