Meanings of colouring agent in anglès

In one recent case, olive oil was found to contain low quality substitutes and a banned colouring agent.

Some patients have allergies to a colouring agent or other inactive ingredient in a drug produced by a pharmaceutical company, for instance.

Researchers found products were misleadingly labelled and some contained additives from insect secretions and carcasses, arsenic and colouring agents banned from most foods.