What is potassium nitrate in food? Uses, safety, and health implications
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4 min read
Known historically as saltpeter, potassium nitrate (KNO₃) has been used for centuries to preserve food and cure meats. This crystalline salt, also known as food additive E252 in the European Union, is a potent preservative and color stabilizer, making it a key component in many traditionally cured sausages and hams. So, what is potassium nitrate in food, and is it safe to consume?
