E308; Gamma-Tocopherol
(in 5 products)

Potential Risk Index®:

ISCE InhaleISCE SwallowISCE ContactISCE Environment
PRI Legend


1. Antioxidant - Reduces oxidation to prevent the formation of free radicals which may be harmful to health.
2. Dietary / Nutritional Supplement - Vitamins, minerals, proteins, fatty acids or probiotics that improves nutritional intake
Gamma-Tocopherol is the orally bioavailable gamma form of the naturally-occurring fat-soluble vitamin E, found in certain nuts and seeds, with potential antioxidant activity. Although the exact mechanism of action of this tocopherol has yet to be fully identified, gamma-tocopherol appears to have the ability to scavenge free radicals, thereby protecting against oxidative damage.
Gamma-Tocopherol is an antioxidant (E308) for polyunsaturated fatty acids as well as a vitamin. Less effective than alpha-tocopherol (E306 and E307) in animals but not in non-biological matter. It also protects other nutrients, such as Vitamin A, from oxidation but is largely destroyed by freezing.
Commercially it can be produced from cottonseed, maize, rice germ, soya been oil, wheat germ, or green leaves and may, therefore, come from Genetically Modified sources.
It is approved to use as food additive and generally recognized as safe food substance in US.
Scientific References:
Regulatory References:
1. US FDA Food Additives Status List [2018]
2. EU Approved Food Additive [2018]
- E308
3. US FDA Generally Recognized As Safe (GRAS) (21 CFR 182) [2017]
- §182.8890

Potential Health Benefits For:

1. Asthma (PubMed ID:17854713)
2. Prostatic Neoplasms (PubMed ID:19115203)
3. Rhinitis, Allergic, Perennial (PubMed ID:19389874)

User Comments:

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