E280Preservative

Propionic acid

Learn what Propionic acid (E280) is, why it's added to food, whether it's safe, and which products contain it.

Low concern

What is Propionic acid?

A food additive from the category of natural preservatives, obtained through bacterial fermentation. It is used against yeasts and fungi, as well as against degradations caused by certain microorganisms. Due to its strong odor, it is used in a limited range of products (prepackaged sliced bread and rye bread).

Why is Propionic acid added to food?

Propionic acid (E280) is a preservative commonly found in: Prepackaged sliced bread, rye bread.

Permitted quantity: No maximum daily dose has been established.

Is Propionic acid safe?

Low concern

No secondary effects at the amounts used in foods.

Is Propionic acid banned anywhere?

✓ Not currently banned in the EU or known to be restricted in other countries.

Common foods that contain Propionic acid

  • Prepackaged sliced bread
  • rye bread

See the full list of foods that contain Propionic acid

How to spot Propionic acid on labels

Look for any of these names in the ingredients list:

  • E280
  • Propionic acid

Common misspellings to watch for:

  • propionic acid
  • propionic aeid
  • propionic acld
  • prodionic acid
  • propionic dcid
  • dropionic acid
  • proplonic acid
  • propionlc acid
  • propionie acid

Better alternatives

• May cause allergic reactions, such as skin rashes or difficulty breathing, in sensitive individuals. • Excessive consumption may irritate the gastrointestinal tract, causing abdominal pain, bloating, and diarrhea. • Should be avoided by individuals with gastrointestinal conditions such as gastric ulcers or colitis. • May worsen asthma symptoms or other respiratory conditions in predisposed individuals.

Explore homemade alternatives to processed snacks →

Also known as

  • propionic acid
  • propionic aeid
  • propionic acld
  • prodionic acid
  • propionic dcid
  • dropionic acid
  • proplonic acid
  • propionlc acid
  • propionie acid

Scan products with BioBrief

Not sure if a product contains Propionic acid? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E280 — with a plain-language explanation.

Frequently asked questions about Propionic acid

Is Propionic acid safe to eat?
No secondary effects at the amounts used in foods.
Is Propionic acid banned anywhere?
Propionic acid is not currently banned in the EU or known to be restricted in other countries.
How do I spot Propionic acid on a food label?
Look for E280, Propionic acid in the ingredients list. It may also appear as: propionic acid, propionic aeid, propionic acld.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.