Oxidative Medicine and Cellular Longevity / 2017 / Article / Fig 2

Research Article

Bioavailable Concentrations of Delphinidin and Its Metabolite, Gallic Acid, Induce Antioxidant Protection Associated with Increased Intracellular Glutathione in Cultured Endothelial Cells

Figure 2

(a) Percent of delphinidin (Delph; 200 μM at T0) remaining in tissue culture medium (pH 7.4, 37°C), when alone and in the presence of the oxidising agent (pyrogallol, 100 μM) or the reducing agent/antioxidant, ascorbic acid (5 mM). (b) Semilogarithmic representation of percent of Delph remaining in solution; dotted lines indicate the respective half-lives in the presence and absence of ascorbic acid. The results are expressed as mean ± SEM (a) and mean only (b).

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