E264 – Ammonium acetate
PreservativeDescription
Hygroscopic, colorless or white crystalline solid with a slight acetic acid odor. Used as a preservative, acidity regulator, and flavoring agent.
Notes
Ammonium acetate is formed when ammonia (a nitrogen-containing compound) meets acetic acid (the main acid in vinegar). This creates colorless crystals that are hygroscopic, meaning they readily absorb moisture from the air around them. The production process involves carefully combining these two components under controlled conditions, resulting in a stable compound that dissolves easily in water and can be precisely measured for use in food production. In food products, ammonium acetate primarily works as an acidity regulator and can also contribute flavor notes to certain products. As an acidity regulator, it helps maintain the proper pH balance in foods, ensuring they taste as intended and remain stable during storage. It's commonly found in baked goods where it can help with leavening processes, some processed meats, certain dairy products, and occasionally in flavor preparations where its mild taste won't interfere with the intended flavors. This additive is synthetically produced but made from basic chemical components that occur in nature. It's suitable for vegetarians and vegans as it contains no animal-derived ingredients. However, people with severe kidney problems might need to be cautious about ammonium-containing compounds, though the amounts used in food are typically very small. The additive is generally recognized as safe by food safety authorities, and because it breaks down into ammonia and acetic acid - both of which the body can process naturally - it doesn't accumulate in the system.