Table 18.

An anti-tyrosinase activity of flavonolignans.

Structure	Name	IC50 (μM)	Ref.
	Isosilybin A	2.1a; 16.7b	Kim et al.123
	Isosilybin B	4.9a; 19.8b	Kim et al.123
	3′-O-Methyltaxifolin	51.2a; 150.0b	Kim et al.123
	Dihydrokaempferol	73.6a; >200b	Kim et al.123
	Taxifolin	23.0a; 27.0b	Kim et al.123
	Silychristin A	3.2a; 28.8b	Kim et al.123
	Silychristin B	4.5a; 44.9b	Kim et al.123
	Dihydrosilychristin	7.6a; 35.9b	Kim et al.123

^aL-tyrosine; ^bL-DOPA.