Potassium acetate

Potassium acetate is the potassium salt of acetic acid, formed by neutralising acetic acid with potassium hydroxide. It functions as an acidity regulator and preservative in processed foods, with a mildly salty, slightly acidic taste. Common applications include crisps, seasonings, processed meats, and sauces where pH control is needed without adding sodium.

JECFA has assigned potassium acetate an ADI of "not specified," reflecting its metabolic equivalence to acetic acid and its long history of safe use. Like other acetates, it is readily metabolised in the body through normal energy pathways. First evaluated in 1965, this safety classification applies at any realistic dietary exposure level.

Potassium acetate is globally approved in the EU, US, UK, Australia, and other major markets. It is particularly valued as a sodium-reduced alternative to sodium acetate in products targeting consumers managing blood pressure. People with renal impairment who must monitor potassium intake should note its potassium content, but it poses no concern for healthy adults. It is common in flavoured snack foods and seasoning blends.