Additives are commonly supplemented to food as they for example extend shelf life, replace or restore colour or give food a sweet taste without use of beet sugar. Additives used in each product shall be declared on its packaging. Each additive must be stated by its full name or an international E code in a descending sequence according to the amount contained in the food.  All states of the European Union use the same E code numbering system.  On food labels must be in addition to the name or code of E given the name of the category to which the additive belongs. Some additives fall by purpose into more than one category.

Code Material Categories CEFF approved
E 150 a Plain caramel colours Yes Yes
E 155 Brown HT colours No No
E 150 b Caustic sulphite caramel colours Yes Yes
E 150 c Ammonia caramel colours Yes Yes
E 160 a Carotenes colours Yes Yes
E 160 b Annatto; Bixin; Norbixin colours Yes Yes
E 160 c Paprika extract; Capsanthian; Capsorubin colours Yes Yes
E 160 d Lycopene colours Yes Yes
E 160 e Beta-apo-8'-carotenal (C30) colours Yes Yes
E 161 b Lutein colours Yes Yes
E 161 g Canthaxanthin colours Yes Yes
E 162 Beetroot Red, Betanin colours Yes Yes
E 163 Anthocyanins colours Yes Yes
E 170 Calcium carbonate colours, anti-caking agents, stabilisers Yes Yes
E 171 Titanium dioxide colours Yes Yes
E 172 Iron oxides and hydroxides colours Yes Yes
E 173 Aluminium colours Yes Yes
E 174 Silver colours Yes Yes
E 175 Gold colours Yes Yes
E 180 Litholrubine BK colours No No