Ingredient · E260

Acetic acid

Source
Not animal-derived
Allergen
No
Role in food
Acetic acid is used as an acidity regulator and preservative in a wide variety …

What is Acetic acid?

Acetic acid is a weak organic acid, the main component of vinegar apart from water. It is produced industrially by the carbonylation of methanol or by the fermentation of ethanol by acetic acid bacteria. It has a characteristic sour taste and pungent smell.

Is Acetic acid vegan?

Acetic acid is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Acetic acid gluten-free?

It is not a source of gluten.

Is Acetic acid a major allergen?

Acetic acid is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Acetic acid used for?

Acetic acid is used as an acidity regulator and preservative in a wide variety of foods.

Is Acetic acid safe?

Acetic acid is authorised as a food additive in Great Britain and the EU.

Why it's used

Acetic acid is used as an acidity regulator and preservative in a wide variety of foods. It contributes a sour flavour and can inhibit the growth of bacteria and moulds. It is commonly found in pickles, chutneys, sauces, salad dressings, and baked goods.

Health notes

Acetic acid is authorised as a food additive in Great Britain and the EU. It is evaluated by EFSA and JECFA, who have assessed its safety. At typical levels found in food, it is not considered to have adverse health effects. There are no major controversies surrounding its use as a food additive.

Regulatory status

Authorised in Great Britain (FSA register): England, Scotland, Wales. FSA register of authorised products

Permitted uses in the EU

Acetic acid · legislation: (EU) No 0601/2014

Food categoryMaximum level
1.7.1 unripened cheese excluding products falling in category 16No numerical limit listed
1.7.4 whey cheeseNo numerical limit listed
4.2.3 canned or bottled fruit and vegetablesNo numerical limit listed
7.1.1 Bread prepared solely with the following ingredients: wheat flour, water, yeast or leaven, saltNo numerical limit listed
7.1.2 Pain courant français; Friss búzakenyér, Fehér és Félbarna kenyerekNo numerical limit listed
8.2 Meat preparations as defined by Regulation (EC) No 853/2004No numerical limit listed
13.1.3 Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013No numerical limit listed

Maximum levels are shown as published (mg/kg or mg/l, depending on the food). Some entries carry extra conditions and group authorisations are not listed here, so check the full entry before relying on a figure.

Substance is included in Group I, see also authorisation for Group I

Sources: Food Standards Agency (OGL v3); European Commission, Food Additives Database.

Allergen info

Acetic acid is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels. It is not a source of gluten.

Foods that contain Acetic acid

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.