Sodium erythorbate is a white to slightly yellow crystalline powder with a neutral odor. It is commonly used as an antioxidant and a preservative in food products, helping to prevent the oxidation of fats and oils, which can lead to rancidity. Additionally, sodium erythorbate aids in maintaining the color and flavor of processed foods, enhancing their overall quality and shelf life.
Functions and applications:
1.Antioxidant Properties: Sodium erythorbate helps to prevent the oxidation of food, which can lead to color and flavor degradation. It is particularly effective in maintaining the pink color of cured meats by preventing the oxidation of heme proteins.
2.Common Uses:
Meat Products: Widely used in processed meats like sausages, hot dogs, and bacon to maintain color and freshness.
Beverages: Used in some soft drinks and fruit juices to preserve flavor and color.
Canned and Frozen Foods: Helps maintain the quality and extend the shelf life of various canned and frozen food products.
3.Health and Safety: Sodium erythorbate is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA). It is considered non-toxic and non-carcinogenic when used in accordance with good manufacturing practices. However, excessive consumption can lead to digestive issues like bloating and diarrhea in some individuals.
4.Food Industry Benefits:
Color Preservation: Maintains the appealing color of food products, especially in cured meats.
Flavor Stabilization: Prevents off-flavors caused by oxidation, ensuring the product tastes fresh.
Extended Shelf Life: Helps extend the shelf life of food products by protecting against oxidative spoilage.
5.Chemical Properties: Sodium erythorbate is a white, crystalline powder that is highly soluble in water. Its chemical formula is C6H7NaO6, and it is structurally similar to ascorbic acid, but it does not have the same vitamin activity.
6.Usage Levels: The amount of sodium erythorbate used in food products is regulated to ensure safety. For example, in cured meats, it is typically used at levels up to 547 ppm (parts per million).