Is food coloring a pure substance?

Food coloring is not a pure substance. It is a mixture of different chemicals that are used to add color to food. These chemicals can be natural or synthetic. Some common food coloring agents include:

* Caramel: A natural brown pigment made by heating sugar.

* Turmeric: A natural yellow pigment made from the root of the turmeric plant.

* Paprika: A natural red pigment made from the dried pods of the paprika pepper.

* Annatto: A natural orange pigment made from the seeds of the annatto tree.

* Tartrazine: A synthetic yellow pigment.

* Allura Red: A synthetic red pigment.

* Sunset Yellow: A synthetic orange pigment.

These are just a few examples of the many different food coloring agents that are available. Each of these agents has its own unique chemical structure and properties. When combined in different ways, these agents can create a wide variety of colors.