Ingredient dictionary
White onion on a food label: allergens, diets and other names
White onion is a kind of onion. It is not one of the allergens that labels must declare. It is vegan. Open Food Facts finds it in 534 products, most often in ready meals.
By Bravoora teamUpdated Sources checked 4 sourcesHow we check
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Does white onion contain an allergen?
White onion is not one of the allergens that food labels must declare in the US, the UK, Europe or the Gulf. Open Food Facts does not link it to an allergen, and Bravoora’s label checker does not read the name as one.
Is white onion vegan?
Yes. White onion is vegan and vegetarian: Open Food Facts records nothing from an animal in it.
A pack can differ from the usual recipe: the app reads the label in your hand.
What other names does white onion have on a label?
On European labels it is “Oignon blanc” in French, “weiße Zwiebel” in German and “cebolla blanca” in Spanish. The other 4 languages are listed below.
- French
- Oignon blanc
- German
- weiße Zwiebel, weiße Zwiebeln
- Spanish
- cebolla blanca
- Italian
- cipolla bianca
- Polish
- cebula biała, biała cebula
- Romanian
- ceapă albă
- Croatian
- bijeli luk
Which foods contain white onion?
Open Food Facts lists white onion in the ingredients of 534 products, most often ready meals, dressings and sauces and vegetables. Most of them are sold in the United States, the United Kingdom and France.
Products with it, by country of sale: United States 193 · United Kingdom 145 · France 105 · Germany 38.
Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where white onion turns up, not how much of the market it is.
What kind of ingredient is white onion?
White onion is a kind of onion.
Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers
Sources
An allergen is stated only when two of three checks agree: the Open Food Facts record, Bravoora’s label checker, and the ingredient’s own name or family (oat flour is oats, a cheese is milk). Every name where they disagree waits for a person to review it.
- Open Food Facts: White onion
- Open Food Facts: ingredients taxonomy (names, family tree, allergen and vegan flags), ODbL
- Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
- Wikipedia: White onion
Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check
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