E240

Formaldehyde

Preservatives

E242

Dimethyl dicarbonate

Preservatives, Anti-bacterial

E249

Potassium nitrite

Preservatives, Colour retention agent, Anti-bacterial

E250

Sodium nitrite

Preservatives, Colour retention agent, Anti-bacterial

E251

Sodium nitrate (Salpetre)

Preservatives, Colour retention agent, Anti-bacterial

E252

Potassium nitrate (Saltpetre)

Preservatives, Colour retention agent, Anti-bacterial