Effect of melanins on lipid peroxidation |
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Authors: | Byshneva L N Senchuk V V |
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Affiliation: | Belarussian State University, Leningradskaya ul. 14, Minsk, 220080 Belarus. |
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Abstract: | Effects of melanins obtained from cultured Cladosporium cladosporidae fungi and Alpha grape on Fe(2+)-induced, Fe(2+)-ascorbate-induced, and NADPH-induced lipid peroxidation in rat liver, brain, and eye were studied. Melanins were shown to inhibit the accumulation of lipid peroxidation products in vitro. The inhibitory effects of melanins were not due to direct interactions of these pigments with superoxide anion (O2). However, melanins may interact with other free radicals. Melanins were demonstrated to have the ability to oxidize NADPH, which is probably one of the mechanisms of their antioxidant effects. |
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