Ingredient

E330 Acidity Regulator

Source
Not animal-derived
Allergen
No
Role in food
Citric acid is widely used as an acidity regulator, flavouring agent, and preservative in …

What is E330 Acidity Regulator?

Citric acid is a weak organic acid naturally found in citrus fruits. It is produced commercially through the fermentation of carbohydrate feedstocks, typically using the mould Aspergillus niger. It is a colourless crystalline solid.

Is E330 Acidity Regulator vegan?

E330 Acidity Regulator is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is E330 Acidity Regulator a major allergen?

Citric acid is not one of the 14 major allergens that require specific labelling in the UK.

What is E330 Acidity Regulator used for?

Citric acid is widely used as an acidity regulator, flavouring agent, and preservative in the food and drink industry.

Is E330 Acidity Regulator safe?

Citric acid is authorised as a food additive in the UK and the EU.

Why it's used

Citric acid is widely used as an acidity regulator, flavouring agent, and preservative in the food and drink industry. It imparts a tart taste and helps to control pH levels, which can enhance the effectiveness of preservatives and antioxidants. It is commonly found in confectionery, jams, jellies, carbonated drinks, and processed foods.

Health notes

Citric acid is authorised as a food additive in the UK and the EU. At typical consumption levels found in food, it is not associated with adverse health effects. It is considered safe for consumption and is naturally present in many foods.

Allergen info

Citric acid is not one of the 14 major allergens that require specific labelling in the UK. It is not derived from any of these allergens. Not a major allergen.

Foods that contain E330 Acidity Regulator

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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.