Eat or Avoid
E250

Sodium Nitrite

ColorantsPreservatives

Safety rating

Use Sparingly

Eat Away!Generally SafeUse SparinglyAvoid
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Purpose and Function

Sodium nitrite is a multifunctional preservative used primarily in cured meats, highly effective at inhibiting Clostridium botulinum (the bacteria causing botulism), while also maintaining the characteristic pink-red color and savory flavor of cured meats.

Commonly found in

  • Bacon, ham, and hot dogs
  • Sausages and other cured meats

Key functions

  • Inhibits Clostridium botulinum growth
  • Maintains pink-red color in cured meat
  • Contributes to characteristic cured-meat flavor

Potential Risks and Side Effects

  1. 01Can form nitrosamines when it reacts with amines during cooking at high temperatures — potent carcinogens linked to increased gastrointestinal cancer risk
  2. 02In high doses can cause methemoglobinemia, a potentially life-threatening condition, especially in infants
  3. 03Regular consumption of nitrite-preserved processed meats associated with increased blood pressure and cardiovascular disease risk

References

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