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Bioscience, biotechnology, and biochemistry

Fused heterocyclic antioxidants: antioxidative activities of hydrocoumarins in a homogeneous solution.


PMID 11440127

Abstract

We compared the antioxidative activities of seven hydrocoumarins with those of alpha-tocopherol for the oxidation of tetralin and linoleic acid in a homogeneous solution. Hydrocoumarins exhibited a higher induction period than that of alpha-Toc in both systems. However, the rate of oxygen absorption during the induction period for alpha-Toc was slower than that of the hydrocoumarins in both systems. In addition, 6,7-dihydroxy-4,4-dimethylhydrocoumarin showed less cytotoxicity toward human fibroblasts than did 2,6-di-t-butyl-4-methylphenol.

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