Table 2.
Effect of different concentrations (8, 16 and 32 mg TP/100 g BW) of crude extracts of Acacia farnesiana (AF) and Acacia shaffneri (AS) pods on DPPH● scavenging capacity (%) and oxygen radical absorbance capacity (ORAC) (μM Trolox equivalents/L) of gerbil (Meriones unguiculatus) plasma
| Vegetal extract | AF | AS | Basal | * C- | ** C+ | ||||
|---|---|---|---|---|---|---|---|---|---|
| 8 | 16 | 32 | 8 | 16 | 32 | ||||
| DPPH● | 21.8d ± 2.4 | 20.0e ± 1.7 | 30.0a ± 2.0 | 22.2d ± 3.4 | 26.2c ± 2.1 | 29.0b ± 1.7 | 14.9f ± 2.4 | 14.7f ± 2.4 | 26.1c ± 1.6 |
| ORAC | 1339d ± 246 | 1309d ± 102 | 1561c ± 156 | 2390a ± 569 | 2245a ± 550 | 2207a ± 441 | 1090e ± 88 | 1213d ± 166 | 1888b ± 223 |
BW body weight; DPPH ● 1,1-diphenyl-2-picrylhydrazyl radical
*C- = negative control (acidified water)
** C+ = Positive control (ascorbic acid, 0.5 mg/100 g BW)
a,b,c,d,e,f Means with different letters within the same row are significantly different at P < 0.05