Table 3. ABTS radical scavenging activity of paper mulberry leaf extracts

Samples RC50 (μg/mL)1) TEAC (μg TE/mg)2)
PMEW 72.27±0.53a3) 74.37±0.50c
PME30 78.01±6.76a 64.97±1.09c
PME70 39.88±2.63b 109.18±1.30b
L-ascorbic acid 3.93±0.04c 1,484.36±30.46a
Concentration required for 50% reduction of ABTS+ at 1 min after starting there action.
Trolox equivalent antioxidant capacity.
All values are mean±SD (n≥3), and different superscripts (a-c) 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.