

Figure 22, Effect of Concentration-related Inhibitory Effect of Kojic 

 Acid on Mushroom Tyrosinase (PPO) Activity on DL-^-3,4- 

 dihydroxyphenylalanine (DL-DOPA); A 0.9 mL Aliquot of Kojic 

 Acid Solution at 20 - 150 jug/mL Was Added to the Assay System. 



» ■ 5 " 



