Chemical structures of natural anthocyanidins and IC₅₀ values against mushroom tyrosinase.

Compound no.	Compound name	Chemical structures	IC50 values (μM)	Reference
1	Malvidin		45	31
2	Peonidin		22	31
3	Pelargonidin		78	31
4	Haginin A		5.0	31
5	Delphinidin		20.9	31
6	4-(8,8-Dimethyl-2H,8H-pyrano[2,3-f]chromen-3-yl)benzene-1,3-diol		0.09	31
7	Cyanidin-3-O-glucoside		18.1	140
8	Delphinidin-3-O-glucoside		7.5	31
Standard	Kojic acid		59.3	31 and 140