Advances in Physical Chemistry / 2009 / Article / Fig 1

Research Letter

Oxidation of Quercetin by Myeloperoxidase

Figure 1

Absorption spectra and HPLC chromatograms of 5 × 1 0 5  M quercetin at pH 6.0 in absence (a), (b) and presence (c), (d) of 20 nM MPO. 50 μM H 2 O 2 was present in all reaction solutions. Spectra were recorded over a period of 30 minutes; arrows indicate the direction of the change. Chromatograms were recorded after 30 minutes (b) at 𝜆 3 6 7 and (d) at 𝜆 3 3 6 .
614362.fig.001a
614362.fig.001c
614362.fig.001b
614362.fig.001d

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