CAS 79-09-4 Propionic Acid, also known as propanoic acid, has long-standing use in the food industry, particularly as the fatty acid in many processed foods. It has a long history as a natural intermediate and metabolite in many biological processes. Propionic Acid is also used as a preservative as it helps inhibit mold growth and various bacteria for food and animal feed. This fungistatic compound is an agent that slows bacterial growth without eliminating the bacteria.
What foods contain propionic acid?
Propionic acid (as additive E280) or its salts are commonly found in processed foods that require extended shelf life to prevent mold or bacterial growth:
- Baked goods: Bread, cakes, pastries, and cookies
- Dairy products: Processed cheeses, cheese spreads, and some yogurt varieties
- Meat products: Cured meats like sausage, ham, and bacon, as well as processed deli meats
- Other processed foods: Some canned fruits/vegetables, fruit juices, and snack foods
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