Grape skin red natural pigment
Color: purple
Solubility: water soluble
Apperance:powder or liquid
PH: 2.0-6.0
characteristic:High temperature resistance, acid and alkali resistance
Properties :Grape skin red is a purple pigment obtained by extracting polyphenols from grape skin ,residue with ethanol as extraction agent, soluble in water, ethanol, propylene glycol, insoluble in oil.
The red color of grape skin varies with pH, from red to purplish red when acidic to dark blue when alkaline.
Dark purple in the presence of iron ions.
Grape skin red pigment can be used in frozen drinks (except edible ice), jam, candy, cakes, drinks (except packaged drinking water), preparation of wine, etc.