Fig. 2From: The antityrosinase and antioxidant activities of flavonoids dominated by the number and location of phenolic hydroxyl groupsDetermination of the inhibitory mechanism of shikonin on mushroom tyrosinase. The results showed that shikonin was reversible inhibitor of tyrosinase for the oxidation of l-DOPA. l-DOPA = l-3,4-dihydroxyphenylalanineBack to article page