Ascorbyl Stearate (E305)

Purpose and Function

Ascorbyl Stearate (E305) is used in the food industry primarily as an antioxidant and emulsifier. It helps prevent the oxidation of fats and oils, thereby extending the shelf life of various food products, while also improving the texture and stability of emulsified products. Common applications include:

• Oils and fats: Used to prevent rancidity in products like margarine, cooking oils, and butter.
• Baked goods: Helps maintain freshness and improves the quality of bread, pastries, and cakes that contain fats.
• Snack foods: Added to fatty snack products like chips and nuts to delay oxidation.
• Confectionery: Used in chocolate, candy, and other sweets to stabilize fat content and prevent bloom.
• Cosmetics and supplements: While primarily a food additive, it is also found in some non-food applications for its stabilizing properties.

Ascorbyl Stearate (E305) is derived from ascorbic acid (vitamin C) and stearic acid, a naturally occurring fatty acid.

Potential Risks and Side Effects

Ascorbyl Stearate (E305) is generally considered safe when used within regulated limits, but some considerations include:

• Allergic reactions: Although rare, some individuals may have sensitivities or allergic reactions to fatty acid esters.
• Dietary fat content: Since E305 is used in fatty foods, its presence may slightly contribute to the overall fat content of the diet.
• Regulatory approval: Ascorbyl Stearate (E305) is approved for use in many countries, including the European Union, where it is considered safe when used as an antioxidant or emulsifier within specified limits.

Overall, Ascorbyl Stearate (E305) is regarded as a safe and effective additive for improving the stability and shelf life of fat-containing foods.