Why Is CAS 79-09-4 Propionic Acid (E280) Used in Foods?
CAS 79-09-4 Propionic Acid (E280) is widely used as a mold inhibitor, especially in baked goods at ~0.3% low levels. It effectively stops mold and bacteria growth, extending food shelf life (bread, cheese, processed foods). It is a natural short-chain fatty acid produced in the gut during digestion, and approved GRAS by the FDA within strict limits.
Is propionic acid (e280) in food good or bad?
In regulated amounts, E280 (propionic acid) in food is considered good and safe. It is a valuable preservative that prevents mold and bacterial growth, reducing food waste and increasing safety. Major global food safety authorities approve its use.
Storage of propionic acid:
- Temperature: Store in a cool, dry place, away from heat sources and direct sunlight.
- Containers: Keep in tightly sealed containers made of compatible materials (e.g., glass, certain plastics).
- Ventilation: Ensure good ventilation in storage areas to avoid the buildup of vapors.
- Keep Away From: Incompatible substances like strong oxidizers, bases, and reducing agents.
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