What is Propionic Acid (E280) in Food?
E280, also known as propionic acid (CAS 79-09-4), is a natural carboxylic acid with the chemical formula C₃H₆O₂. Due to its effective antimicrobial properties, it is widely used in the food industry as a preservative. It is effective against yeasts, fungi and some microorganisms that cause degradation.
CAS 79-09-4 Propionic acid is a clear, colourless liquid with a strong odour. Due to its strong odour, it is used in a limited range of products, such as prepackaged sliced bread and rye bread. It is soluble in water and mixes well with many organic solvents.
Propionic Acid (E280) Uses in food
Propionic Acid CAS 79-09-4 has a wide range of applications in food and animal feed. For bakery products like sliced bread and tortillas, it prevents mold growth and keeps the food fresh longer. In cheeses-including Swiss cheese, where it occurs naturally-E280 acts as both a preservative and a flavor booster. Propionic Acid E280 is also commonly used in animal feed, such as hay, silage and corn, to stop spoilage and control harmful microbial growth.
Key applications include:
- Bread and Bakery Products
- Cheese:
- Animal Feed
- Cosmetics and Pharmaceuticals
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