Evaluation on Antioxidant Effect of Xanthohumol by Different Antioxidant Capacity Analytical Methods

Figure 4

A representative calibration curve of inhibition DPPH^• by Trolox standards (5, 10, 20, 30 μmol·L⁻¹). 𝑌=0.0267𝑥+0.0517 and 𝑅²=0.9968 (𝑛=3).