Colour has important psychological implications in case of food. The colour of food can influence how people perceive its quality and attractiveness. A non-attractive colour makes food look as no longer fresh and likely to be rejected. Thus it is necessary to conserve the characteristic colour of a food product as far as possible during manufacturing and storage. Synthetic food colors are also know as artificial food and are manufactured chemically. The utility of synthetic food colours has improved considerably due to lot of research and development being carried out on them. Synthetic food colors are the most commonly used dyes in the food, pharmaceutical and cosmetic industries. Synthetic food colors are used for colouring food products like ice cream, biscuit, sweat meat, fruit drink, seasoning & also in pharmaceuticals tablet & syrups.