Sodium Propionate (E281) is a white, crystalline solid or granular powder with a faint odor of propionic acid. It is the sodium salt of propionic acid and is highly soluble in water. Sodium Propionate is widely recognized as a safe and effective preservative that inhibits the growth of mold and some bacteria, making it an essential ingredient in the food and feed industries.
Check item | Specification | Analysis result |
Assay / % | 99.0-100.5 | 99.59 |
Loss on drying /% | ≤1.0 | 0.73 |
Alkalinity /% | ≤0.15 | <0.15 |
PH | 7-9 | 7.93 |
Iron / % | ≤0.003 | <0.003 |
Heavy metals / % | ≤0.0002 | <0.0002 |
Conclusion | QUALIFED | |
Food Industry: Sodium Propionate is primarily used as a preservative in baked goods such as bread, cakes, and pastries to prevent mold growth and extend shelf life. It is also used in cheese and processed meats to enhance food safety and freshness.
Animal Feed: In the feed industry, Sodium Propionate is added to compound feed and silage to prevent microbial contamination, improve storage stability, and enhance feed hygiene.
