Carotenoids are a group of natural pigments found in many fruits and vegetables. They are classified under the code E160A as a food additive.

The food additive E121 is Ammoniacal Red, also known as Allura Red AC.

Ponceau 4R is a synthetic azo dye used as a food coloring.

Azorubine or carmoisine is a red food dye identified by the number E122. This nitrogenous compound is a disodium salt of hydroxy-1-2 naphthalenesulfonic-4 acid.

Brown FK, or E154, is a blend of six synthetic azo dyes derived from naphthalene. 

Lutein (E161b) is a natural pigment belonging to the carotenoid family, which are organic compounds found in many fruits, vegetables, and other plants.

Food additive E151, also known as Brilliant Black BN, is a black food coloring.

Annatto, also known as annatto, is a natural food coloring extracted from the seeds of the Bixa orellana tree, a tree native to tropical regions of South America.

Food coloring, Bright Blue (colorant that gives a blue or green hue to foods).

E140(i) refers to chlorophyll, the natural colorant extracted from green plants using various solvents. E140(ii) refers to chlorophyllins, which are derivatives of chlorophyll obtained through saponification. They are more soluble than chlorophylls, hence their use.