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Tocopherols (/ t oʊ ˈ k ɒ f ə ˌ r ɒ l /; [1] TCP) are a class of organic compounds comprising various methylated phenols, many of which have vitamin E activity. Because the vitamin activity was first identified in 1936 from a dietary fertility factor in rats, it was named tocopherol, from Greek τόκος tókos 'birth' and φέρειν phérein 'to bear or carry', that is 'to carry a ...
Alpha-tocopherol is also degraded by the same process, to 2,5,7,8-tetramethyl-2-(2'-carboxyethyl)-6-hydroxychromane (α-CEHC), but more slowly because it is partially protected by α-TTP. Large intakes of α-tocopherol result in increased urinary α-CEHC, so this appears to be a means of disposing of excess vitamin E. [5] [13]
Tocotrienols are named by analogy to tocopherols (from Greek words meaning to bear a pregnancy (see tocopherol); but with this word changed to include the chemical difference that tocotrienols are trienes, meaning that they share identical structure with the tocopherols except for the addition of the three double bonds to their side chains.
Key takeaway: Foods high in antioxidants are great for your eyes. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
α-Tocopherol (alpha-tocopherol) is a type of vitamin E.Its E number is "E307". Vitamin E exists in eight different forms, four tocopherols and four tocotrienols.All feature a chromane ring, with a hydroxyl group that can donate a hydrogen atom to reduce free radicals and a hydrophobic side chain, along with an aromatic ring is situated near the carbonyls in the fatty acyl chains of the ...
Tocofersolan (INN; also known as tocophersolan, tocopherol polyethylene glycol succinate, or TPGS) is a synthetic water-soluble version of vitamin E. Natural forms of vitamin E are fat soluble, but not water-soluble. Tocofersolan is polyethylene glycol derivative of α-tocopherol that enables water solubility.
Serious health conditions can result if these processes are chronically unbalanced, ranging from acute to chronic. Immunological stress by over-supplementation of antioxidants facilitates adverse health effects specifically including allergies, asthma, and physiological alterations (especially of the skin).
Alcohol-induced liver disease can also exacerbate other health conditions that contribute to retinopathy, such as hypertension [39] and hyperglycemia. [39] [40] Metabolic pathway of vitamin A. Alcohol consumption leads to abnormalities in the metabolism pathways of several essential nutrients for eye health such as vitamin A and zinc.
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