Exploring the Molecular Mechanism of the Antioxidant Activity of Medicine and Food Homology Licorice Flavonoids Based on Pharmacophore Theory and Quantum Calculations

Figure 10

Reaction equations of the hydroxyl group with hydroxyl radical of licochalcone B (a), isoliquiritigenin (b), retrochalcone (c), and isoliquiritin (d).

(a)

(b)

(c)

(d)