Sodium propionate
Sodium Propanoate: A Comprehensive Overview[edit | edit source]
Sodium propanoate or sodium propionate is a chemical compound, specifically the sodium salt derived from propionic acid. Its chemical formula is represented as Na(C2H5COO). Given its properties, sodium propanoate finds extensive use as a food preservative, with its role in preventing mold growth in bakery products being particularly noteworthy.
Chemical Properties and Synthesis[edit | edit source]
Chemical Structure[edit | edit source]
Sodium propanoate can be represented by the formula Na(C2H5COO), where Na denotes sodium and C2H5COO represents the propionate ion.
Reactions[edit | edit source]
Sodium propanoate is synthesized through a reaction involving propionic acid and either sodium carbonate or sodium hydroxide:
- Propionic acid + Sodium carbonate/hydroxide → Sodium propanoate + Water/Carbon dioxide.
Applications[edit | edit source]
Food Preservation[edit | edit source]
- Sodium propanoate acts as an effective food preservative due to its antimicrobial properties, particularly against molds.
- In Europe, it is labeled under the E number E281.
- Its primary function in the food industry is as a mold inhibitor, especially in bakery products. This ensures longer shelf life and prevention of spoilage.
Regulatory Approval[edit | edit source]
- Sodium propanoate is approved for use as a food additive in several regions:
Conclusion[edit | edit source]
Understanding the chemical properties and applications of sodium propanoate provides insights into its significance in the food industry. Its ability to inhibit mold growth ensures that bakery products remain fresh for extended periods. This, coupled with regulatory approvals in multiple regions, underscores its safety and utility as a food additive.
External links[edit | edit source]
- Sodium propanoate at Sci-toys.com
References[edit | edit source]
- ↑ European Food Safety Authority. (2006). Guidance on the safety assessment of food additives under previous regulations. EFSA Journal, 4(3), 1-29.
- ↑ Food and Drug Administration. (2019). Food Additives Permitted for Direct Addition to Food for Human Consumption; Sodium propionate. Federal Register, 84(184).
- ↑ Food Standards Australia New Zealand. (2020). Australia New Zealand Food Standards Code - Standard 1.3.1 - Food Additives. Canberra: FSANZ.
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