additives

Nitrates [Glossary]

When we talk about nitrate in terms of food, it’s the salt potassium nitrate (saltpetre or saltpeter) we are referring to; potassium nitrate is commonly used to cure ham, bacon, sausages and salami. This stops the highly toxic Clostridium botulinum (the bacterium that can cause the rare but deadly botulism) and other nasties from developing.

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