Table 1. Antioxidant activity of 20% ethanolic extract from Stewartia pseudocamellia leaves (ESP)

	TPC1)	TFC2)	ABTS3)	DPPH4)
ESP	243.89±0.98	81.21±3.02	236.10±1.21	281.65±1.98
Vitamin C5)	-	-	114.79±0.53	122.48±1.14

TPC, total phenolic content.
TFC, total flavonoid content.
ABTS, ABTS radical scavenging activity.
DPPH, DPPH radical scavenging activity.
Vitamin C is a positive control for ABTS and DPPH.
Results of TPC and TFC are presented as mg of GAE/g and mg of RE/g, respectively. Results of ABTS and DPPH are presented as IC₅₀ value (μg/mL). All values are mean±SD (n=3).