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. 1976 Jan;106(1):124-7.
doi: 10.1093/jn/106.1.124.

Relative activity of alpha-tocopherol and gamma-tocopherol in preventing oxidative red cell hemolysis

J G Bieri, R P Evarts, J J Gart

Relative activity of alpha-tocopherol and gamma-tocopherol in preventing oxidative red cell hemolysis

J G Bieri et al. J Nutr. 1976 Jan.

Abstract

The purpose of this study was to compare the antioxidant activities of alpha-tocopherol and gamma-tocopherol in protecting the red cell membrane against lipid peroxidation. Tocopherols were incorporated into the red cell membrane by incubating cells with solutions of the tocopherols in bovine albumin. The cells were then washed and subjected to the dialuric acid hemolysis test. Analysis of variance of the response curves revealed that gamma-tocopherol had 38% of the activity of alpha-tocopherol. No evidence was found for an interaction between the two tocopherols when present in the red cell membranes simultaneously.

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