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Antioxidants play a major role in protecting biological systems against many incurable diseases. The biological activity of 12 plant aqueousalcohol extracts, some standard antioxidants (vitamin C, glucose, resorcinol, and catechol), Na2SO3, humic acids, phthalocyanines, and chlorophyll have been investigated in this work together with evaluation of their influence on the kinetics of the oxygen electroreduction...
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