E140 is a natural part of our normal diet and is as such not harmful. It can be found i all food types. These colours are (1) an olive green oil soluble colour and (2) water soluble green colour.
They are derived from Chlorophyll, E140, by substitution of copper for the magnesium, which increases their stability.
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Can be found in some types of cheese, chewing gum, ice cream, Parsley sauce, soups and green vegetables and fruits preserved in liquids.
No adverse effects are known.