Preservatives
Explore the list of preservatives commonly found in foods, their safety levels, and side effects.
Sodium Nitrite (E250)
Preservative / Color FixativeUsed to cure meats. Can form carcinogenic nitrosamines when cooked at high temperatures.
Citric Acid (E330)
Preservative / FlavoringProvides a tart flavor and acts as a preservative. Commercially produced using a black mold.
Potassium Sorbate (E202)
PreservativeA very common and safe preservative used to stop mold growth in cheese, wine, and baked goods.
Ascorbic Acid (Vitamin C)
Antioxidant / VitaminsA synthetic version of Vitamin C used to preserve color and freshness in drinks and bread.
Sodium Benzoate (E211)
PreservativeWidely used in acidic drinks. Can form the carcinogen benzene when mixed with Vitamin C.
BHT (Butylated Hydroxytoluene)
PreservativeA synthetic antioxidant used to keep cereal oils from going rancid. Banned in parts of Europe.
TBHQ (Tertiary Butylhydroquinone / E319)
Synthetic AntioxidantA chemical preservative used to massively extend the shelf life of highly processed fats like in frozen pizzas or noodles.
Sulfur Dioxide (E220)
PreservativeExtensively used in dried fruits and wine. Can trigger severe asthma attacks in sensitive individuals.
Potassium Nitrate (E252)
Curing Agent / PreservativeUsed to cure meats and cheeses. Can form carcinogenic nitrosamines when cooked.
Sorbic Acid (E200)
PreservativeA mold-inhibiting preservative used in cheese, baked goods, and syrups. Generally very safe.
Pyrophosphates / Diphosphates (E450)
Preservative / Raising AgentUsed to make sausages juicy and baked goods fluffy. High intake is bad for bone health.
Benzoic Acid (E210)
PreservativePowerful anti-fungal agent. Controversial because it can form benzene (a carcinogen) when mixed with Vitamin C.
BHA (Butylated Hydroxyanisole / E320)
Antioxidant / PreservativeAdded to fats to stop them from going rancid. Declared a 'reasonably anticipated human carcinogen' globally.
Sodium Phosphates (E339)
Emulsifier / PreservativeKeeps processed cheese sliceable and meat tender. Heavy consumption severely damages kidney function.
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