Table 7
DPPH radical-scavenging activity and ABTS radicalscavenging activity of ethanol extract of Solanum nigrum depending on harvest time

Samples DPPH radical ABTS radical
scavenging activity (IC50, μg/mL)
Ascorbic acid 5.27±0.471) 1.21±0.12
BHT 14.82±1.03 1.08±0.09
A 184.89±2.49c2) 76.48±2.16c
B 167.10±4.12b 97.67±3.43d
C 159.62±3.14b 106.62±4.50e
D 164.90±4.57b 67.48±3.07b
E 179.87±5.82c 81.14±2.57c
F 164.68±4.33b 92.86±2.33d
G 137.90±3.17a 48.10±1.19a
H 145.84±3.43ab 84.14±3.82c
Each value represents the mean±SD of three determinations.
Mean with different superscripts (a,b) are significantly different at p<0.05 by Duncan's multiple range test.