Ingredient · E330

Acid Citric

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use citric acid primarily as an acidity regulator, flavor enhancer, and preservative. It …

What it is

Citric acid is a weak organic acid that occurs naturally in citrus fruits like lemons and limes. It is commonly produced industrially through the fermentation of a sugar source, such as corn or sugarcane, by the mold *Aspergillus niger*.

Why it's used

Manufacturers use citric acid primarily as an acidity regulator, flavor enhancer, and preservative. It provides a tart, sour taste and can help extend the shelf life of foods and beverages by inhibiting microbial growth.

Health notes

Citric acid is generally recognized as safe (GRAS) by the FDA for use in food. It is a natural component of the human body's energy production cycle. International bodies like JECFA have evaluated citric acid and found it safe for consumption. Evidence does not suggest adverse health effects from typical dietary intake.

Allergen info

Citric acid is not derived from any of the nine FDA major allergens and does not contain gluten.

Products containing Acid Citric

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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.