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Table 1 The IC50 values of flavonoids

From: The antityrosinase and antioxidant activities of flavonoids dominated by the number and location of phenolic hydroxyl groups

  Isoeugenol Shikonin Baicalein Rosmarinic acid Dihydromyricetin
Tyrosinase diphenolase activity (μmol/L) 33.33 26.67 13.33 6.67 3.33
DPPH free radical (μmol/L) 101.6 83.2 58.6 28.5 12.4
ABTS free radical (μmol/L) 36.36 27.27 9.09 6.82 3.41
Hydroxyl free radical (μmol/L) 32.5 18.3 11.6 8.3 4.2
Superoxide free radical (μmol/L) 38.2 31.5 16.1 12.3 7.6
Lipid peroxidation (μmol/L) 25.1 16.67 12.5 8.33 6.25