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Sigma-Aldrich

ALPHA-TOCOPHEROL >= 95.5% (C005B-004216)

α-Tocopherol is the active form of vitamin E. It functions as an hydroperoxyl radical scavenger and protects the organism from oxidative damage.

Description

General description

α-Tocopherol is the active form of vitamin E. It functions as an hydroperoxyl radical scavenger and protects the organism from oxidative damage. α-Tocopherol plays a crucial role in cell signalling and regulating immune responses. α-Tocopherol deficiency is associated with abetalipoproteinemia, cystic fibrosis and celiac disease. It has antiproliferative effects. It inhibits arsenite-induced damage of human fibroblasts.

Application

α-Tocopherol has been used:

  • as a standard to determine its concentration by reverse-phase high-performance liquid chromatography
  • to study its rescue effects on chlorine dioxide (ClO2) cytotoxicity
  • to assess its protective effects on acetaminophen (APAP)-mediated liver damage

Biochem/physiol Actions

Tocopherols (TCP) (vitamin E) are a series (α, β, γ and δ) of chiral organic molecules that vary in their degree of methylation of the phenol moiety of the chromanol ring. Tocopherols are lipid soluble anti-oxidants that protect cell membranes from oxidative damage. α-Tocopherol is the form of tocopherol preferentially absorbed by homo sapiens. Various isofroms and analogues of tocopherol have opposing and differentiated regulatory activities in vivo.

Specifications
UPC:
51321605
Condition:
New
Weight:
1.00 Ounces
HazmatClass:
No
Quantity:
500
Unit of Measurement:
GR
MPN:
258024-500G
CAS:
10191-41-0
Catalog No. C005B-004216
Price: $828.90
List Price: $921.00
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