Skip to content

Additives in Deli Meats

Nitrites, phosphates, and preservatives.

Why these additives?

Deli meats and processed meats contain some of the most debated food additives. Sodium nitrite (E250) prevents botulism and gives cured meats their pink color, but can form carcinogenic nitrosamines. Phosphates improve water retention and texture. Antioxidants like erythorbate prevent discoloration. Emulsifiers create the smooth texture of hot dogs and bologna. The WHO classified processed meat as a Group 1 carcinogen in 2015, partly due to these additives.

Sorbic Acid
E200

Common preservative

Sodium Sorbate
E201

Sodium salt of sorbic acid preservative

Potassium Sorbate
E202

Widely used preservative

Calcium Sorbate
E203

Calcium salt of sorbic acid

Heptyl p-hydroxybenzoate
E209

Paraben preservative. Delisted in EU

Benzoic Acid
E210

Preservative for acidic foods

Sodium Benzoate
E211

Common preservative. Can form benzene with vitamin C

Potassium Benzoate
E212

Preservative

Calcium Benzoate
E213

Preservative

Ethyl p-hydroxybenzoate (Ethylparaben)
E214

Paraben preservative

Sodium Ethyl p-hydroxybenzoate
E215

Paraben preservative

Propyl p-hydroxybenzoate (Propylparaben)
E216

Banned in EU for food use since 2006. Still used in US cosmetics

Sodium Propyl p-hydroxybenzoate
E217

Banned in EU. Paraben concerns

Methyl p-hydroxybenzoate (Methylparaben)
E218

Paraben preservative

Sodium Methyl p-hydroxybenzoate
E219

Paraben preservative

Sulphur Dioxide
E220

Preservative for wine, dried fruits. Allergen

Sodium Sulphite
E221

Sulphite preservative. Allergen

Sodium Hydrogen Sulphite
E222

Sulphite. Allergen

Sodium Metabisulphite
E223

Sulphite. Allergen

Potassium Metabisulphite
E224

Sulphite. Allergen

Potassium Sulphite
E225

Sulphite preservative. Allergen

Potassium Sulphite (dihydrate)
E225a

Crystal form of potassium sulphite. Sulphite allergen

Calcium Sulphite
E226

Sulphite. Allergen

Calcium Hydrogen Sulphite
E227

Sulphite. Allergen

Potassium Hydrogen Sulphite
E228

Sulphite. Allergen

Biphenyl / Diphenyl
E230

Citrus fruit fungicide. Removed from EU approved list in 2005

Orthophenyl Phenol (OPP)
E231

Citrus peel fungicide. Removed from EU food additives list

Sodium Orthophenyl Phenol
E232

Sodium salt of OPP. Removed from EU list

Thiabendazole
E233

Fungicide for citrus/banana skins. Now classified as pesticide, not food additive

Nisin
E234

Natural antimicrobial from bacteria

Natamycin / Pimaricin
E235

Antifungal for cheese

Formic Acid
E236

Antibacterial. Delisted as food additive in EU

Sodium Formate
E237

Delisted in EU as food additive

Calcium Formate
E238

Delisted in EU as food additive

Hexamethylenetetramine
E239

Provolone cheese only

Formaldehyde
E240

Highly toxic. Banned worldwide as food additive. Known carcinogen (IARC Group 1)

Dimethyl Dicarbonate
E242

Cold sterilization for beverages

Potassium Nitrite
E249

Cured meat preservative. Concerns about nitrosamines

Sodium Nitrite
E250

Cured meat preservative. Concerns about nitrosamines

Sodium Nitrate
E251

Cured meat preservative

Frequently Asked Questions

Are nitrites in deli meat dangerous?
Sodium nitrite (E250) is controversial. It serves a critical safety function by preventing Clostridium botulinum (botulism) in cured meats. However, nitrites can react with amino acids at high temperatures to form nitrosamines, which are carcinogenic. The WHO's IARC classified processed meat as a Group 1 carcinogen, with nitrite-derived nitrosamines as a contributing factor. The risk is dose-dependent — occasional consumption is low-risk, but regular high consumption is associated with increased colorectal cancer risk.
Are 'uncured' or 'no nitrates added' deli meats safer?
Not necessarily. 'Uncured' deli meats typically use celery powder, celery juice, or cherry powder as a natural source of nitrates, which convert to the same nitrites in the curing process. The final product can contain similar or even higher levels of nitrites than conventionally cured meat. The 'no nitrates added' label is technically accurate (no synthetic nitrates were added) but can be misleading. The health implications are essentially the same.
What is the healthiest way to eat deli meats?
If you consume deli meats, limit portion sizes and frequency. Choose products with shorter ingredient lists. Consider roasting your own meat for sandwiches. When buying deli meats, look for reduced-sodium versions. Avoid heating processed meats to very high temperatures (which increases nitrosamine formation). The American Institute for Cancer Research recommends limiting processed meat to very small amounts or avoiding it entirely.