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Food and dish guide

Corn starch: allergens and what’s inside

Of 147 packs of corn starch whose ingredients Open Food Facts reads in full, 4% list sulphites and 3% list gluten. Another 12% carry a “may contain” line for gluten. Most list corn starch.

By Bravoora teamUpdated 13 October 2026Sources checked 13 October 20263 sourcesHow we check

Which allergens are in corn starch?

Of 147 packs of corn starch whose ingredient list Open Food Facts reads in full, 4% list sulphites, 3% list gluten and 3% list milk. Another 12% carry a “may contain” line for gluten, 12% for milk and 10% for tree nuts. Recipes differ from pack to pack, so the label in your hand is the one that counts.

Sulphite sensitivityHeads up4% list sulphites; 3% more carry a “may contain” line for them.

Coeliac or gluten-freeHeads up3% list gluten; 12% more carry a “may contain” line for it.

Milk allergyHeads up3% list milk; 12% more carry a “may contain” line for it.

Tree nut allergyHeads up10% carry a “may contain” line for tree nuts.

Soy allergyHeads up10% carry a “may contain” line for soy.

Egg allergyHeads up9% carry a “may contain” line for egg.

Not for you when most of these packs list the allergen, Heads up when fewer do or only a “may contain” line names it. In the app, a profile gets Not for you on a pack that lists the allergen and Heads up on one whose “may contain” line names it: it reads the pack in your hand, not these counts.

What is corn starch usually made of?

The ingredients most packs of corn starch list, with the share of packs that list each: corn starch (82%) and corn flour (12%).

Corn starch82%
Corn flour12%

Packs in Open Food Facts, by country of sale: France 46 · United States 41 · Germany 40 · United Kingdom 21.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows what these packs list, not every recipe for corn starch.

Calories and nutrients

Not shown here. Open Food Facts records calories and nutrients per 100 g or per 100 ml without saying which, so a figure for all these packs together could mislead. The pack you buy prints its own, and that is the figure to log.

What kind of food is corn starch?

In the Open Food Facts categories, corn starch is a kind of cereal starch.

What else is corn starch called?

In EnglishCornstarchCornflourMaize starch

French: Amidon de maïs, Fécule de maïs
German: Maisstärke, Speisestärke
Spanish: Almidón de maíz
Italian: Amido di mais
Dutch: Maïszetmelen
Portuguese: Amido de milho

Bravoora reads every pack 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

Every share is counted over the packs whose ingredient list Open Food Facts reads in full. A pack lists an allergen when Open Food Facts’ allergen field names it, or when one of its ingredients stands for it by the same two-of-three checks as the ingredient dictionary (tahini is sesame, a cheese is milk). A “may contain” line counts only for an allergen the pack does not list.

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this guide’s data · How we check

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