E309 is synthetic d-tocopherol (vitamin E). As a fat-soluble antioxidant, it mainly protects fats, coloring materials and vitamins from oxygen deterioration.
E309, also known as delta tocopherol, is a form of vitamin E.
Chemical name: Delta tocopherol
Function: Antioxidant
Use: Main use as a food additive, particularly in high-fat products where it acts as an antioxidant, thus extending shelf life.
Properties: It has antioxidant properties that help prevent lipid oxidation in foods and cosmetic products.
Food sources: It is found naturally in certain foods such as nuts, seeds, vegetable oils and grains.
Other uses: In addition to its use as a food additive, delta-tocopherol is also present in certain cosmetic product formulations for its beneficial antioxidant properties for the skin.
Precautions: It is generally considered safe when used as directed, but excessive consumption of vitamin E supplements may cause adverse effects. It is therefore important to respect the recommended doses.
E309 is synthetic d-tocopherol (vitamin E). As a fat-soluble antioxidant, it mainly protects fats, coloring materials and vitamins from oxygen deterioration.