Ingredient

Fresh Onion

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Source
Not animal-derived
Allergen
No
Role in food
Onions are a staple ingredient used to add savory flavor to a wide variety …

What it is

The fresh onion (Allium cepa) is a root vegetable native to Asia. It is cultivated worldwide for its pungent flavor and aroma, which comes from sulfur compounds. Onions are harvested and can be sold fresh, or further processed for different uses.

Why it's used

Onions are a staple ingredient used to add savory flavor to a wide variety of dishes. They are found in many prepared foods, including sauces, soups, processed meats, and baked goods. Their strong flavor profile makes them a versatile base for many recipes.

Health notes

Fresh onions are generally recognized as safe (GRAS) by the FDA as a food ingredient. They contain various nutrients and antioxidants. International bodies like JECFA have evaluated onions and their components. Research suggests potential benefits from compounds found in onions, but more studies are needed to confirm these effects at typical dietary intakes.

Allergen info

Onion is not one of the 9 FDA major allergens. It does not contain gluten.

Products containing Fresh Onion

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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.