Ingredient · E1520

Propylene Glycol Preservative

Source

Not animal-derived

Allergen

Role in food

Manufacturers add propylene glycol to foods to help retain moisture, improve texture, and act …

What is Propylene Glycol Preservative?

Propylene glycol is a synthetic liquid substance that absorbs water. It is used as a humectant (to help retain moisture), solvent, and preservative in foods. It is produced from petroleum products.

Is Propylene Glycol Preservative vegan?

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

Is Propylene Glycol Preservative gluten-free?

Propylene glycol is not derived from any of the nine major FDA allergens and does not contain gluten.

What is Propylene Glycol Preservative used for?

Manufacturers add propylene glycol to foods to help retain moisture, improve texture, and act as a preservative.

Is Propylene Glycol Preservative safe?

Propylene glycol is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

Manufacturers add propylene glycol to foods to help retain moisture, improve texture, and act as a preservative. It is commonly found in baked goods like cakes, muffins, and pastries, as well as in some dairy products and frostings.

Health notes

Propylene glycol is generally recognized as safe (GRAS) by the FDA for use in food. It is metabolized by the body and is not expected to cause health problems at the levels typically found in food. JECFA and EFSA have evaluated propylene glycol and established acceptable daily intakes. While some people may have sensitivities, it is not considered a common allergen.

Allergen info

Propylene glycol is not derived from any of the nine major FDA allergens and does not contain gluten.

Foods that contain Propylene Glycol Preservative

Compare products →

Sort by: Sugar Protein Sodium Calories

Wal-Mart Stores, Inc. Seven Layer Graham Cracker Crust Topped With Chocolate And Sweetened Condensed Milk. Finished With Crumbled Walnuts, Milk Chocolate Chips, Shredded Coconut, And A Butterscotch Drizzle. Bar, Seven Layer Croissants, Sweet Rolls, Muffins & Other Pastries High in saturated fat — 40% DV per serving High in added sugars — 46% DV per serving 466kcal 5.2Protein 27.6Fat 55.2Carbs Two Farms Inc. Strawberry Milk, Strawberry Milk High in saturated fat — 25% DV per serving High in added sugars — 44% DV per serving 104kcal 3.3Protein 3.3Fat 14.6Carbs Memory Lane Dairy LLC Cotton Candy Whole Milk Milk High in saturated fat — 25% DV per serving High in added sugars — 40% DV per serving 96kcal 2.9Protein 3.3Fat 12.9Carbs Wal-Mart Stores, Inc. Peanut Butter Brownies, Peanut Butter Cakes, Cupcakes, Snack Cakes 440kcal 4Protein 20Fat 60Carbs

Learn more

Ultra-Processed Foods and the NOVA Scale →

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

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.