E261: Potassium Acetates
Main role: acidity control and preservation
Also listed as: potassium acetate, potassium diacetate
What is E261 (Potassium Acetates)?
E261 covers potassium forms of acetic acid, including acetate and diacetate preparations. These salts can help control acidity in a suitable formulation. They are related to vinegar chemistry but are not the same ingredient as vinegar.
What does it do in food?
Its main role is acidity control and preservation. Acidity regulators adjust or buffer pH. The resulting acidity depends on the whole recipe, not just the presence of one acid or salt. Acidity control may also affect texture and the performance of other ingredients.
Food and formulation examples
- Sauce preparations
- Acidity-control blends
- Specified preserved foods
These examples describe formulation roles, not a list of unrestricted legal uses. Availability and permitted applications differ by country and food category.
Label names and ingredient questions
Look for E261, E 261, or the ingredient name. Related names and label terms include potassium acetate, potassium diacetate. A family code can cover more than one specified form; check the full declaration when the distinction matters.
A potassium acetate ingredient does not establish the product's potassium content per serving. Anyone managing potassium intake should use nutrition information and individualized dietary advice.
Is E261 safe?
There is no meaningful personal risk estimate from an E number alone. Food-grade specifications, allowed uses, amount consumed, and individual circumstances all matter. The authorization record below gives the legal scope; it is not a claim that every possible use is appropriate.
A label identifies the ingredient but usually not its concentration. Calculating daily intake requires the amount in the food and the quantities eaten.
Authorization and conditions of use
The Great Britain food additive register lists E261 as Potassium acetates. This is an entry subject to its stated conditions, not unrestricted permission for every food. The record links to the applicable authorization terms. For an EU product, use the European Commission food additive database to check the relevant food category and limits. Other countries may use different names or rules.