The Role Of E223 In Nutrition: Preservative, Antioxidant, And Antimicrobial Agent

Time for reading: ~0 minutes Last Updated: June 23, 2025


Explore the role of E223 (Sodium metabisulfite) in nutrition, including its preservative, antioxidant, and antimicrobial properties. Learn about regulatory considerations and potential sensitivities.

The Role of E223 in Nutrition

E223, also known as Sodium metabisulfite, is a common food additive used in various food products. It serves multiple purposes in the food industry, including as a preservative, antioxidant, and antimicrobial agent.

Preservative Properties of E223

Sodium metabisulfite is widely used to extend the shelf life of food products by inhibiting the growth of bacteria, yeasts, and molds. This helps prevent spoilage and maintains the freshness of the food.

Antioxidant Benefits

As an antioxidant, E223 helps prevent the oxidation of fats and oils in food, which can lead to rancidity. By reducing oxidative damage, it helps maintain the quality and flavor of the food.

Antimicrobial Effects

E223 also exhibits antimicrobial properties, making it effective in inhibiting the growth of harmful microorganisms in food. This helps improve food safety and reduce the risk of foodborne illnesses.

Regulatory Considerations

While E223 is generally recognized as safe by regulatory authorities when used in accordance with good manufacturing practices, some individuals may be sensitive to sulfites and experience adverse reactions. It is important for consumers to be aware of the presence of E223 in food products and make informed choices.

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