And Sodium Nitrite

Sodium nitrite is a white crystalline salt, a chemical compound that occurs naturally in some vegetables and is also produced by bacteria in the human body. In food production, it is typically manufactured synthetically.

Sodium nitrite is primarily used as a preservative in cured meats like hot dogs, bacon, and deli meats. It prevents the growth of harmful bacteria, such as Clostridium botulinum, and also contributes to the characteristic pink color and cured flavor of these products.

Sodium nitrite is approved by the FDA for use as a food additive, primarily for curing meats. Concerns have been raised about the potential formation of nitrosamines, which are carcinogenic, when nitrites react with amines in the body or during high-heat cooking. However, regulatory bodies like the WHO/IARC have classified processed meats containing nitrites as carcinogenic to humans, while acknowledging that the risk is associated with high consumption. The FDA continues to permit its use within specified limits, and ongoing research examines strategies to minimize nitrosamine formation.