Ingredient · E300

Antioxidant: Ascorbic Acid

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Source
Not animal-derived
Allergen
No
Role in food
Ascorbic acid is used as an antioxidant to prevent spoilage and maintain the color …

What it is

Ascorbic acid is a vitamin, also known as vitamin C. It is found naturally in many fruits and vegetables. Industrially, it can be produced through chemical synthesis or by the fermentation of sugars by microorganisms.

Why it's used

Ascorbic acid is used as an antioxidant to prevent spoilage and maintain the color and flavor of foods. It is commonly added to processed fruits and vegetables, beverages, baked goods, and cured meats.

Health notes

Ascorbic acid is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is an essential nutrient for human health, playing a role in immune function and collagen synthesis. International bodies like JECFA and EFSA have evaluated ascorbic acid. While generally considered safe, very high doses can cause digestive upset in some individuals.

Allergen info

Ascorbic acid is not one of the 9 FDA major allergens. It does not contain gluten.

Products containing Antioxidant: Ascorbic Acid

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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.