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Preservatives

Explore the list of preservatives commonly found in foods, their safety levels, and side effects.

Sodium Nitrite (E250)

Preservative / Color Fixative
High Danger

Used to cure meats. Can form carcinogenic nitrosamines when cooked at high temperatures.

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Citric Acid (E330)

Preservative / Flavoring
Generally Safe

Provides a tart flavor and acts as a preservative. Commercially produced using a black mold.

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Potassium Sorbate (E202)

Preservative
Generally Safe

A very common and safe preservative used to stop mold growth in cheese, wine, and baked goods.

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Ascorbic Acid (Vitamin C)

Antioxidant / Vitamins
Generally Safe

A synthetic version of Vitamin C used to preserve color and freshness in drinks and bread.

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Sodium Benzoate (E211)

Preservative
High Danger

Widely used in acidic drinks. Can form the carcinogen benzene when mixed with Vitamin C.

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BHT (Butylated Hydroxytoluene)

Preservative
High Danger

A synthetic antioxidant used to keep cereal oils from going rancid. Banned in parts of Europe.

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TBHQ (Tertiary Butylhydroquinone / E319)

Synthetic Antioxidant
High Danger

A chemical preservative used to massively extend the shelf life of highly processed fats like in frozen pizzas or noodles.

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Sulfur Dioxide (E220)

Preservative
High Danger

Extensively used in dried fruits and wine. Can trigger severe asthma attacks in sensitive individuals.

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Potassium Nitrate (E252)

Curing Agent / Preservative
High Danger

Used to cure meats and cheeses. Can form carcinogenic nitrosamines when cooked.

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Sorbic Acid (E200)

Preservative
Generally Safe

A mold-inhibiting preservative used in cheese, baked goods, and syrups. Generally very safe.

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Pyrophosphates / Diphosphates (E450)

Preservative / Raising Agent
Proceed With Caution

Used to make sausages juicy and baked goods fluffy. High intake is bad for bone health.

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Benzoic Acid (E210)

Preservative
Proceed With Caution

Powerful anti-fungal agent. Controversial because it can form benzene (a carcinogen) when mixed with Vitamin C.

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BHA (Butylated Hydroxyanisole / E320)

Antioxidant / Preservative
High Danger

Added to fats to stop them from going rancid. Declared a 'reasonably anticipated human carcinogen' globally.

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Sodium Phosphates (E339)

Emulsifier / Preservative
Proceed With Caution

Keeps processed cheese sliceable and meat tender. Heavy consumption severely damages kidney function.

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