... is widely used in food, acidic beverages, wine, jam. Red grape peel pigment, a purely natural and water ... in food, acidic beverages, wine, jam, and jelly.Product source: Red grape peel pigment is extracted ... is widely used in coloring food, acidic beverages, wine, jam and jelly. In addition, it has ... in food, acidic beverages, wine, jam, and jelly.Product source: Red grape peel pigment is extracted ...