Table 4. DPPH radical scavenging activity of paper mulberry leaf extracts

Samples	RC50 (μg/mL)1)	TEAC (μg TE/mg)2)
PMEW	64.35±2.40b3)	24.65±0.31b
PME30	93.08±1.20a	17.30±0.58b
PME70	56.30±4.51c	27.01±1.22b
L-ascorbic acid	1.98±0.16d	1,416.18±708.42a

Concentration required for 50% reduction of DPPH⁺ at 30 min after starting the reaction.
Trolox equivalent antioxidant capacity.
All values are mean±SD (n≥3), and different superscripts (^a-d) in the same column are significantly different at p<0.05 by Duncan’s multiple range test.
PMEW, the water extract; PME30, the 30% ethanol extract; PME70, the 70% ethanol extract.