Table 5.
The IC50 values of extracts and standards in DPPH, FRAP and ABTS scavenging activities (Mean ± SEM; n = 3).
IC50 (µg/mL) | |||
---|---|---|---|
Samples | Free Radical Scavenging Activity | Total Antioxidant Activity | ABTS Scavenging Activity |
Control | 260.7 ± 1.29 a | 278.1 ± 1.42 a | 288.1 ± 1.35 a |
10 (Gy)3 | 218.5 ± 0.72 b | 244.8 ± 1.56 b | 275.8 ± 0.96 b |
15 (Gy) | 179.3 ± 1.03 c | 218.4 ± 2.05 c | 248.9 ± 1.12 c |
20 (Gy) | 152.6 ± 0.85 d | 180.7 ± 1.66 d | 225.2 ± 1.25 d |
Vitamin C | 58.1 ± 1.47 f | 90.9 ± 2.11 e | ND |
Vitamin E | 60.3 ± 3.04 f | 61.88 ± 1.86 f | ND |
BHT | 89.7 ± 2.43 e | 89.7 ± 1.37 e | ND |
Trolox | ND | ND | 174.47 ± 012 e |
ND: not detected; a,b,c,d,e,f Means within columns with different superscript are significantly different at p < 0.05; DPPH: 1,1-Diphenyl-2-picryl-hydrazyl; FRAP: ferric reduction, antioxidant power; ABTS: 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid.