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