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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

From: Antioxidant activity and protection against oxidative-induced damage of Acacia shaffneri and Acacia farnesiana pods extracts: in vitro and in vivo assays

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

  1. BW body weight; DPPH 1,1-diphenyl-2-picrylhydrazyl radical
  2. *C- = negative control (acidified water)
  3. ** C+ = Positive control (ascorbic acid, 0.5 mg/100 g BW)
  4. a,b,c,d,e,f Means with different letters within the same row are significantly different at P < 0.05