In Vitro and In Vivo Studies on Quercus acuta Thunb. (Fagaceae) Extract: Active Constituents, Serum Uric Acid Suppression, and Xanthine Oxidase Inhibitory Activity

Table 2

Antioxidant activity and total contents of phenols and flavonoids of QALE.

Parameter	QALE	Ascorbic acid
DPPH IC50 (μg/mL)
Reducing power (Ascorbic acid eq. μg/50 μg ext.)
Total phenol (mg/g ext.)
Total flavonoid (mg/g ext.)