Figure 2.
The reducing power of plumbagin, Cu (II) complex and BHT treated with different solution concentrations (0.5, 1.0, 1.5, and 2.0 mg/mL).
The reducing power of plumbagin, Cu (II) complex and BHT treated with different solution concentrations (0.5, 1.0, 1.5, and 2.0 mg/mL).