Research Article

Inhibitory Effects of Daiokanzoto (Da-Huang-Gan-Cao-Tang) on P-Glycoprotein

Figure 4

Inhibitory effects of rhubarb and licorice root on ATPase activity in the presence of verapamil.  Licorice root or rhubarb was added to a final concentration of 0.0625 (open column), 0.5 (dotted column), or 1 (closed column) mg/mL together with 50  𝜇 M verapamil. Data represent the mean ± SD of three experiments.
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