Abstract
Antiradical activity and antioxidant properties of a conjugate of Xymedon with l-ascorbic acid were studied. In contrast to Xymedon, a conjugate of Xymedon with l-ascorbic acid was found to react with free radicals. Pro-oxidant activity of the conjugate of Xymedon with l-ascorbic acid in a chemiluminescence system is weaker as compared to individual l-ascorbic acid. This is the evidence of the increase in the stability of ascorbic acid upon conjugation with a molecule of Xymedon. Conjugate of Xymedon with l-ascorbic acid facilitates the decrease in the concentration of a lipid peroxidation product (malondialdehyde) and the activity of superoxide dismutase in liver and serum of laboratory animals exposed to intoxication with a known hepatotropic toxin CCl4. This observation shows the contribution of the antioxidant action to the hepatoprotective effect of the studied Xymedon derivative.
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