Ingredient · E235

Natamcyin

Source
Not animal-derived
Allergen
No
Role in food
Natamycin is primarily used as a preservative to prevent the growth of mold and …

What is Natamcyin?

Natamycin is a natural antifungal agent produced by the bacterium *Streptomyces natalensis*. It is typically produced through fermentation and then purified for use as a food additive.

Is Natamcyin vegan?

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

Is Natamcyin gluten-free?

Natamycin is not derived from any of the 9 FDA major allergens and does not contain gluten.

What is Natamcyin used for?

Natamycin is primarily used as a preservative to prevent the growth of mold and yeast on the surface of foods.

Is Natamcyin safe?

Natamycin is Generally Recognized As Safe (GRAS) by the FDA for use as a food preservative.

Why it's used

Natamycin is primarily used as a preservative to prevent the growth of mold and yeast on the surface of foods. It is commonly found on the rind of cheeses and in some processed meats.

Health notes

Natamycin is Generally Recognized As Safe (GRAS) by the FDA for use as a food preservative. It is poorly absorbed by the body when ingested, meaning it has little to no systemic effect. International bodies like JECFA and EFSA have evaluated natamycin and found it safe for its intended use.

Allergen info

Natamycin is not derived from any of the 9 FDA major allergens and does not contain gluten.

Foods that contain Natamcyin

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Ahold USA, Inc. Giant, Natural Feta Cheese Crumbled Cheese High in saturated fat — 20% DV per serving 286kcal 17.9Protein 21.4Fat 3.6Carbs Ahold USA, Inc. Feta Cheese Crumbled Cheese High in saturated fat — 20% DV per serving 286kcal 17.9Protein 21.4Fat 3.6Carbs Black Bear Enterprise, Inc. Sharp Cheddar Cheese Cubes Cheese High in saturated fat — 25% DV per serving 393kcal 21.4Protein 32.1Fat 7.1Carbs Black Bear Enterprise, Inc. Pepper Jack Cheese Cubes Cheese High in saturated fat — 25% DV per serving 357kcal 25Protein 28.6Fat 7.1Carbs
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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Last updated: October 5, 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.