Fig. 5From: Superoxide-producing lipoprotein fraction from Stevia leaves: definition of specific activityFormation of adrenochrome as a result of oxidation of adrenaline by superoxide radicals produced by suprol associated fraction of Nox of different concentrations at pH 7.4 in the absence of (1 -●-) and presence of 5.10− 8 M Cu, Zn-SOD (2 -■-)Back to article page