Ingredient · E330, E334

Citric & Tartaric Acids

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Source
Not animal-derived
Allergen
No
Role in food
These acids are frequently used as acidity regulators and flavor enhancers in a wide …

What it is

Citric acid is a weak organic acid that occurs naturally in citrus fruits. Tartaric acid is also a naturally occurring organic acid found in grapes and other fruits. Both are commonly produced industrially through fermentation using microorganisms.

Why it's used

These acids are frequently used as acidity regulators and flavor enhancers in a wide variety of foods and beverages. They provide a tart or sour taste and can also act as preservatives by lowering pH, which inhibits microbial growth. You'll find them in candies, jams, jellies, sauces, and processed cheeses.

Health notes

Citric acid and tartaric acid are generally recognized as safe (GRAS) by the FDA for use in food. International bodies like JECFA and EFSA have evaluated these substances. At typical consumption levels found in food, they are not associated with adverse health effects. Some individuals may experience tooth enamel erosion with very frequent consumption of highly acidic foods and drinks.

Allergen info

Citric and tartaric acids are not derived from any of the nine major allergens. They do not contain gluten.

Products containing Citric & Tartaric Acids

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.