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. 2012 Apr 30;2012:394756. doi: 10.1100/2012/394756

Figure 9.

Figure 9

Differential pulse voltammograms of tenfold diluted boiling water extract of buckwheat seeds (a) at IP/CPE and four standard additions of rutin: 20 nmol (b), 40 nmol (c), 60 nmol (d), and 80 nmol (e) in acetate buffer pH = 4 as supporting electrolyte (f).