The colors covered by food coloring can be said to be the red, orange, yellow, green, blue, blue and purple in our lives have, there may be some special colors do not have, may not be as pure as the color of our lives, but most of the colors food coloring is there.
Food coloring is a kind of pigment, that can be eaten in moderation can make the food to a certain extent to change the original color of the food additives. Food coloring, like flavoring, is divided into natural and synthetic.