Ingredient

Diacetyl Tartaric Acid

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Source

Not animal-derived

Allergen

Role in food

This ingredient acts as an emulsifier, helping to blend oil and water-based ingredients smoothly. …

What it is

Diacetyl tartaric acid is an ester made from tartaric acid, a naturally occurring acid found in fruits like grapes. It is produced by reacting tartaric acid with acetic anhydride and then with acetaldehyde.

Why it's used

This ingredient acts as an emulsifier, helping to blend oil and water-based ingredients smoothly. It is often used in baked goods like cakes and cupcakes, as well as in prepared foods like sandwiches, to improve texture and shelf life.

Health notes

Diacetyl tartaric acid is generally recognized as safe (GRAS) by the FDA for use in food. International bodies like JECFA have evaluated it. Evidence does not suggest adverse health effects at typical consumption levels.

Allergen info

Not a major allergen. It is not derived from any of the nine major allergens and does not contain gluten.

Products containing Diacetyl Tartaric Acid

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Labree's Bakery Inc Blue Velvet Whoopie Pie Cakes, Cupcakes, Snack Cakes 404kcal 6.4Protein 21.3Fat 48.9Carbs Wal-Mart Stores, Inc. Mini Red Velvet Cupcakes Cakes, Cupcakes, Snack Cakes High in saturated fat — 30% DV per serving 392kcal 4.0Protein 21.6Fat 46.0Carbs Kitchen Fresh Foods Inc. Gourmet Sandwiches Prepared Subs & Sandwiches High in sodium — 123% DV per serving High in cholesterol — 26% DV per serving 191kcal 11.2Protein 3.6Fat 27.7Carbs Big Y Foods, Inc. Stuffed Scallops Frozen Fish & Seafood 158kcal 14.0Protein 7.0Fat 12.3Carbs Big Y Foods, Inc. Stuffed Clams Canned Seafood 145kcal 12.9Protein 6.5Fat 11.3Carbs Hannaford Bros. Co. Turkey Sub Large Sandwich, Turkey Prepared Subs & Sandwiches High in sodium — 30% DV per serving 157kcal —Protein 5.7Fat 14.3Carbs Hannaford Bros. Co. Italian Style Sub With Ham Capicola, Hard Salami, Pepperoni, Smoked Provoione Cheese, Tomato, Lettuce, Red Onion And Oregano, Italian Style Sub Prepared Subs & Sandwiches High in sodium — 50% DV per serving High in saturated fat — 40% DV per serving 245kcal 13.3Protein 14.7Fat —Carbs Ahold USA, Inc. Roast Beef Sandwich, Roast Beef Prepared Subs & Sandwiches High in sodium — 34% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 20% DV per serving 164kcal 13.4Protein 5.5Fat 14.9Carbs

Yankee Trader Seafood Ltd. Yankee Trader Seafood Crab Minis, 24 Count, 10 Oz Frozen Dinners & Entrees 214kcal 10Protein 12.9Fat 11.4Carbs Yankee Trader Seafood Ltd. Yankee Trader Seafood Fish Cakes, 2 Count, 6 Oz Frozen Appetizers & Hors D'oeuvres 129kcal 8.2Protein 3.5Fat 15.3Carbs Yankee Trader Seafood Appetizers, 20 Count, 1.1 Lbs Frozen Dinners & Entrees 667kcal 7.8Protein 19.6Fat 17.6Carbs

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.