How many types of colourants are used in liquorice allsorts?

There are typically four main colourants used in liquorice allsorts. These are:

- Red: Often made with either red 40 or carmine, which is made from crushed cochineal insects.

- Black: Made with carbon black.

- Yellow: Lemon yellow or tartrazine is commonly used.

- Green: This can be made with a number of different colourants, including brilliant blue and tartrazine.