Gamma-Tocopherol (E308)

Type of additive
(Glossary)
Antioxidants
E NumberE308
Chemical FormulaC28H48O2
Also Known Asγ-Tocopherol
Vitamin E (synthetic)

Purpose and Function

Gamma-tocopherol is one of the forms of vitamin E and is valued for its antioxidant properties, though it is less common than alpha-tocopherol in food preservation. Common applications include:

  • Oils and fats: Added to cooking oils, margarine, and butter to prevent rancidity.
  • Snack foods: Helps delay the oxidation of fatty snacks such as nuts and chips.
  • Baked goods: Used in pastries, cakes, and other fat-containing products to preserve freshness.
  • Dietary supplements: Sometimes included in vitamin E supplements, though alpha-tocopherol is more commonly used.

Gamma Tocopherol (E308) serves as an effective antioxidant to protect food products from spoilage.


Potential Risks and Side Effects

Gamma-Tocopherol (E308) is generally considered safe when used within regulated limits, but some considerations include:

  • High intake from supplements: While dietary intake is considered safe, excessive consumption of synthetic vitamin E supplements, including gamma-tocopherol, may lead to adverse effects such as nausea or digestive issues.
  • Bioavailability: Synthetic forms of tocopherols may have lower bioavailability compared to their natural counterparts.
  • Regulatory approval: Gamma-Tocopherol (E308) is approved for use in many countries, including the European Union and the United States, where it is considered safe as an antioxidant in food products.

Overall, Gamma-Tocopherol (E308) is regarded as a safe and effective antioxidant for extending the shelf life of various food products.