Possible mechanisms of antioxidant activity of glycyrrhizic acid

   


1. National University of Uzbekistan, Biological and Soil Sciences Faculty, Department of Biophysics
2. Institute of Cell Biophysics, Russian Academy of Sciences
Type: Experimental/clinical study
UDK: 577.352.465      PubMed Id: 16739922
Year: 2006 vol: 52  issue:1  pages: 60-68
Abstract: Possible mechanisms of antioxidant activity of glycyrrhizinic acid (GA) were studied.GA did not exhibit antiradical properties at the range of concentrations 1-100 mM as was shown in the experiments with stable radical 1,1-Diphenyl-2-picrylhydrazyl. These data were conformed by the study of GA influence on chemiluminescence of luminol in cell-free system with hydrogen peroxide. However, GA decreased generation of reactive oxygen species by PMA-FMLF-activated neutrophils. Addition of GA did not ifluence free radical level in neurons, however, cell preincubation with GA resulted in the decrease of free radicals production and the increase of intracellular glutathione level.
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Reference: Beskina O.A., Abramov A.Y., Gabdulkhanova A.G., Miller A.V., Safronova V.G., Zamaraeva M.V., Possible mechanisms of antioxidant activity of glycyrrhizic acid, Biomeditsinskaya khimiya, 2006, vol: 52(1), 60-68.
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