Ingredient · E300

Ascorbic Acid Preservative

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Source
Not animal-derived
Allergen
No
Role in food
Ascorbic acid is widely used as an antioxidant preservative in packaged foods to prevent …

What it is

Ascorbic acid is a form of vitamin C, an essential nutrient for human health. It is found naturally in many fruits and vegetables, such as citrus fruits and bell peppers. It can be produced commercially through chemical synthesis or fermentation processes.

Why it's used

Ascorbic acid is widely used as an antioxidant preservative in packaged foods to prevent spoilage and maintain color and flavor. It helps prevent fats from going rancid and keeps fruits and vegetables from browning. It is commonly found in baked goods, processed meats, beverages, and dried fruits.

Health notes

Ascorbic acid is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is an essential nutrient, and deficiency can lead to scurvy. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated ascorbic acid and established acceptable intake levels. While generally safe, very high doses can cause digestive upset in some individuals. Evidence does not link typical dietary intake to adverse health outcomes.

Allergen info

Ascorbic acid is not derived from any of the nine major allergens recognized by the FDA. It does not contain gluten.

Products containing Ascorbic Acid Preservative

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MARCHE DE PARIS Authentic French Macarons Cookies & Biscuits High in added sugars — 32% DV per serving 389kcal 11.1Protein 11.1Fat 63.9Carbs Kingston Marketing Co Raspberry Danish Coffee Cake Cakes, Cupcakes, Snack Cakes High in saturated fat — 20% DV per serving 420kcal 4Protein 20Fat 56Carbs Chelsea Milling Company Muffin Mix, Raspberry Bread & Muffin Mixes 415kcal 4.9Protein 14.6Fat 70.7Carbs Wal-Mart Stores, Inc. The Bakery, Assorted Swirl Danishes, Apple Cheese Raspberry, Apple Cheese Raspberry Cakes, Cupcakes, Snack Cakes High in saturated fat — 55% DV per serving 434kcal 4.4Protein 20.4Fat 57.5Carbs Bruno's Supermarkets, Inc. Bagels, French Toast Breads & Buns 259kcal 8.6Protein 1.2Fat 54.3Carbs Siderno Bakery, LLC Chocolate Mini Bundt Cakes, Chocolate Cakes, Cupcakes, Snack Cakes 442kcal 4.7Protein 20.9Fat 58.1Carbs Beekman 1802, Inc. Braising Sauce Oriental, Mexican & Ethnic Sauces 103kcal 1.6Protein 4.0Fat 15.1Carbs Wal-Mart Stores, Inc. Coffee Cake, Raspberry Crumb Cakes, Cupcakes, Snack Cakes High in saturated fat — 25% DV per serving 434kcal 5.7Protein 22.6Fat 56.6Carbs Wal-Mart Stores, Inc. Danish, Raspberry Cakes, Cupcakes, Snack Cakes High in saturated fat — 22% DV per serving 420kcal 4Protein 20Fat 58Carbs Siderno Bakery, LLC Mini Bundt Cakes, Vanilla Cakes, Cupcakes, Snack Cakes 349kcal 4.7Protein 16.3Fat 46.5Carbs Siderno Bakery, LLC Mini Bundt Cakes, Vanilla Raspberry Cakes, Cupcakes, Snack Cakes 349kcal 4.7Protein 16.3Fat 46.5Carbs Ingles Markets Inc. French Toast Bagels, French Toast Breads & Buns 259kcal 8.6Protein 1.2Fat 54.3Carbs

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.