Tartrazine, also known by the code E102, is a synthetic coloring widely used in the food industry. 

E124 is obtained from the female cochineal insect (Dactylopius coccus), which feeds on certain plants, particularly cacti.

Carmine, also known by the code E120, is a natural food coloring obtained from cochineal insects. Cochineal insects are parasitic insects that feed on certain plants, and carmine colorants are extracted from the female cochineal (Dactylopius coccus).

Methanol is a chemical compound with the formula CH3OH. It is the simplest of alcohols.