α-Tocopherol - Wikipedia
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.
Alpha-Tocopherol | C29H50O2 | CID 14985 - PubChem
Vitamin E, also known as alpha-tocopherol, comes in different forms: RRR-alpha-tocopherol, the only form of alpha-tocopherol that occurs naturally in foods and the 2R-stereoisomeric forms of alpha-tocopherol (RRR-, RSR-, RRS-, and RSS-alpha-tocopherol) that …
Tocopherol - Wikipedia
α-Tocopherol is the form of vitamin E that is preferentially absorbed and accumulated in humans. [9] . The measurement of "vitamin E" activity in international units (IU) was based on fertility enhancement by the prevention of miscarriages in pregnant rats relative to α-tocopherol.
Vitamin E – The Nutrition Source
Vitamin E is a fat-soluble vitamin with several forms, but alpha-tocopherol is the only one used by the human body. Its main role is to act as an antioxidant, scavenging loose electrons—so-called “free radicals”—that can damage cells. [1]
VITAMIN E - Uses, Side Effects, and More - WebMD
Vitamin E that occurs naturally in foods (RRR-alpha-tocopherol) is different from man-made vitamin E that is in supplements (all-rac-alpha-tocopherol). Vitamin E is used for treating vitamin E...
Alpha Tocopherol - an overview | ScienceDirect Topics
Alpha tocopherol is an antioxidant and free radical scavenger that protects the cellular membrane from oxidative stress and inhibits the peroxidation of polyunsaturated fatty acids of membrane phospholipids. Absorption efficiency is less than 50% and requires bile acids, fatty acids, and monoglycerides for micelle formation.
Vitamin E - Health Professional Fact Sheet - Office of Dietary ...
Naturally sourced vitamin E is called RRR-alpha-tocopherol (commonly labeled as d-alpha-tocopherol); the synthetically produced form is all rac-alpha-tocopherol (commonly labeled as dl-alpha-tocopherol). RDAs for vitamin E are provided in milligrams (mg) and are listed in Table 1.
Vitamin E Deficiency - StatPearls - NCBI Bookshelf
2023年7月4日 · In adults, alpha-tocopherol levels should be less than 5 mcg/mL. In an adult with hyperlipidemia, the abnormal lipids may affect the vitamin E levels and a serum alpha-tocopherol to lipids level, needing to be less than 0.8 mg/g) is more accurate.
Alpha-tocopherol: looking beyond an antioxidant - PMC
Vitamin E is an important natural antioxidant, and its most common and biologically active form is α-tocopherol. In addition to this, specific regulatory effects of vitamin E have been revealing. The body exerts a certain effort to regulate its tissue levels with specific tocopherol transport proteins and membrane receptors.
Tocopherols in cancer: an update - PMC - PubMed Central (PMC)
Tocopherols exist in four forms designated as α, β, δ and γ. Due to their strong antioxidant properties, tocopherols have been suggested to reduce the risk of cancer. Cancer prevention studies with tocopherols have mostly utilized α-tocopherol.