There are quite a few studies that indicate how food must be of an inviting colour, since it is then possible to attribute - more or less correctly - the typical virtue of genuine and tasty food: this is why, starting from more or less natural, you can obtain a food coloring to use to make what you eat even more fascinating. Food coloring plays an increasingly important role in the preparation of foods, especially at an industrial level: in many cases it is used to enhance certain flavors or aromas, while in other cases it is used to give an unusual appearance to what is serves on the plate.
Use in cooking
In most cases, food colorings are used to suggest to those who consume the food that it is of natural origin, associating it with a particular flavour.
Preservation
The food coloring, when not of organic origin, can be stored in its sealed package, placing it in a cool, dry place.
Curiosity
Food coloring is often used to give a different color tone than usual to a certain type of food, using substances of organic origin or not.