From an ancient time people have been coloring food, drug and cosmetic products. Like, our ancestor used color such as saffron to color certain food. Also many behavioral studies show that the human appetite and choice of food are influenced by colors. Thus people all over the world are using food colors to give a pleasant look to their foods. A Primary Food color is water-soluble, and exhibits coloring power when it is dissolved. Synthetic Food Colors are in more use than the Natural Colors, because of availability of wide hue range and competitive prices.
