Ingredient · E235

Natamycin

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add natamycin as a preservative to prevent the growth of molds and yeasts …

What is Natamycin?

Natamycin is a natural antifungal substance produced by the bacterium *Streptomyces natalensis*. It is a polyene macrolide antibiotic, meaning it has a specific chemical structure that allows it to fight fungi. It is obtained through a fermentation process.

Is Natamycin vegan?

Natamycin is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Natamycin a major allergen?

Not a major allergen.

What is Natamycin used for?

Manufacturers add natamycin as a preservative to prevent the growth of molds and yeasts on the surface of certain foods.

Is Natamycin safe?

In the United States, natamycin is approved by the FDA as a food additive.

Why it's used

Manufacturers add natamycin as a preservative to prevent the growth of molds and yeasts on the surface of certain foods. It is commonly used on cheeses, cured meats, and some baked goods to extend their shelf life.

Health notes

In the United States, natamycin is approved by the FDA as a food additive. At typical intake levels, it is generally recognized as safe. JECFA has evaluated natamycin and set an acceptable daily intake. EFSA has also evaluated natamycin and concluded it is safe for its approved uses. There are no notable controversies regarding its safety when used as a food additive.

Allergen info

Not a major allergen.

Foods that contain Natamycin

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Preservative (28015 products) Potassium Sorbate (21407 products) Sodium Benzoate (13792 products) Sodium Nitrite (13550 products) Sodium Erythorbate (9349 products) Calcium Propionate (8459 products) Preservatives (8104 products) Sorbic Acid (7394 products)

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

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.