Sample | IC50 values (mg/L) | FRAP mmol FeSO4/g | |
---|---|---|---|
DPPH scavenging | ABTS scavenging | ||
PTB | 548.24 ± 8.93a | 626.49 ± 9.75a | 0.11 ± 0.01a |
PFB | 285.81 ± 5.31b | 348.62 ± 6.30b | 0.42 ± 0.03b |
ETB | 65.25 ± 1.85c | 78.40 ± 2.51c | 2.45 ± 0.05c |
EFB | 5.94 ± 0.46d | 11.69 ± 0.64d | 6.92 ± 0.10d |
Trolox | 3.52 ± 0.27e | 3.68 ± 0.31e | – |