Research Article

Evaluation of Antioxidant Activities and Tyrosinase Inhibitory Effects of Ginkgo biloba Tea Extract

Table 2

Biological activities of G. biloba tea extract in terms of inhibited concentration at 50% (IC50) (mean ± SD, n = 3).

Biological activitiesIC50 (µg ml−1)

Antioxidant162.07 ± 9.5
Tyrosinase inhibition211.91 ± 21.41
Anti-DOPA auto-oxidation456.27 ± 35.74