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Ingredient dictionary

Brown mustard seed on a food label: it contains mustard

Brown mustard seed is a kind of brown mustard. It contains mustard, so the allergen labelling rules apply. Whether it is vegan depends on how it was made. Open Food Facts finds it in 266 products, most often in dressings and sauces.

By Bravoora teamUpdated Sources checked 6 sourcesHow we check

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for a mustard allergy profile

Brown mustard seed=mustard

Does brown mustard seed contain an allergen?

Yes. Brown mustard seed contains mustard: labels in the UK, Europe and the Gulf must declare it; in the US it is not a listed allergen.

AllergenUSUK and EuropeGulf
MustardNot requiredRequiredRequired

Read the mustard guide

Is brown mustard seed vegan?

It depends on the make. Some kinds of brown mustard seed are made with an animal product and a label rarely says which, so a vegan profile gets Heads up. It is vegetarian.

VeganHeads upSome kinds are made with an animal product, and a label rarely says which.
VegetarianFits youNot meat or fish.
Mustard allergyNot for youIt contains mustard.

A pack can differ from the usual recipe: the app reads the label in your hand.

What other names does brown mustard seed have on a label?

On European labels it is “Graines de moutarde brune” in French, “Braunsenfsaat” in German and “semi di senape bruna” in Italian. The other 4 languages are listed below.

French
Graines de moutarde brune
German
Braunsenfsaat
Italian
semi di senape bruna
Dutch
bruin mosterdzaad
Swedish
brunt senapsfrö, bruna senapsfrön
Finnish
ruskea sinapinsiemen
Croatian
smeđe sjeme gorušice

Which foods contain brown mustard seed?

Open Food Facts lists brown mustard seed or a more specific kind of it in the ingredients of 266 products, most often dressings and sauces, salty and fatty foods and ready meals. Most of them are sold in France, the United Kingdom and the United States.

  • Dressings and sauces60
  • Salty and fatty foods28
  • Ready meals19
  • Meat18
  • Sandwiches17
  • Pizzas, pies and quiches11

Products with it, by country of sale: France 78 · United Kingdom 68 · United States 58 · Germany 50.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where brown mustard seed turns up, not how much of the market it is.

What kind of ingredient is brown mustard seed?

In the Open Food Facts ingredient tree, brown mustard seed sits under brown mustard and mustard seed.

Kinds of brown mustard seedYellow and brown mustard seeds

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.

  1. Open Food Facts: Brown mustard seed
  2. Open Food Facts: ingredients taxonomy (names, family tree, allergen and vegan flags), ODbL
  3. Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
  4. European Union: Regulation 1169/2011 on food information to consumers, Annex II
  5. UK Food Standards Agency: Allergen guidance for food businesses (the 14 allergens)
  6. US FDA: Questions and Answers Regarding Food Allergen Labeling, Edition 5 (January 2025)

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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