Table 5. The Inhibitory Effects of GE on Tyrosinase Activity in vitro.

Concentration (㎍/㎖, n=8) 0 62.5 125 250 500 1,000
Tyrosinase inhibition rate(%) Mean 100 100.35 99.39 96.11 93.05 87.22
SD 0 1.58 3.26 2.29 2.39 2.84