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Saltpetre

the common name for potassium nitrate. It is used to preserve food especially meat in which it produces a characteristic bright pink colour. It is used to make brine in combination with salt and sugar..

Definition

the common name for potassium nitrate. It is used to preserve food especially meat in which it produces a characteristic bright pink colour. It is used to make brine in combination with salt and sugar. Numerous meat products are cured using saltpetre including pastrami and knackwurst