Ingredient · E331

Salt Sodium Citrate

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Source
Not animal-derived
Allergen
No
Role in food
Sodium citrate is used as a preservative, flavoring agent, and emulsifier. It helps to …

What it is

Sodium citrate is a common food additive made from citric acid, which occurs naturally in citrus fruits. It is produced commercially through the fermentation of carbohydrates by microorganisms. It appears as a white crystalline powder.

Why it's used

Sodium citrate is used as a preservative, flavoring agent, and emulsifier. It helps to prevent spoilage, adds a tart or salty taste, and keeps ingredients like oil and water mixed together. It is found in powdered drinks, salad dressings, and processed cheeses.

Health notes

Sodium citrate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of sodium, and high sodium intake can be a concern for blood pressure. The WHO/JECFA has evaluated sodium citrate and established acceptable daily intake levels. Evidence does not suggest adverse health effects from typical dietary intake.

Allergen info

Sodium citrate is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Salt Sodium Citrate

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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.