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Table 1 Scavenging of reactive oxygen species and iron chelating activity (IC50 values) of Spondias pinnata and reference compounds

From: Antioxidant and free radical scavenging activity of Spondias pinnata

Activity

Extract/Reference

IC50 (#)

Hydroxyl radical (OH.) scavenging

Spondias pinnata

112.18 ± 3.27 (6)

 

Mannitol

571.45 ± 20.12 (6)***

Superoxide anion (O2 .-) scavenging

Spondias pinnata

13.46 ± 0.66 (6)

 

Quercetin

42.06 ± 1.35 (6)***

Nitric oxide radical (NO) scavenging

Spondias pinnata

24.48 ± 2.31 (6)

 

Curcumin

90.82 ± 4.75 (6)***

Hydrogen peroxide (H2O2) scavenging

Spondias pinnata

44.74 ± 25.61 (6)

 

Sodium pyruvate

3.24 ± 0.30 (6) *

Peroxynitrite (ONOO-) scavenging

Spondias pinnata

716.32 ± 32.25 (6)

 

Gallic acid

876.24 ± 56.96 (6)***

Singlet oxygen (1O2) scavenging

Spondias pinnata

58.07 ± 5.36 (6)

 

Lipoic acid

46.15 ± 1.16 (6) **

Hypochlorous acid (HOCl) scavenging

Spondias pinnata

127.99 ± 6.26 (6)

 

Ascorbic acid

235.95 ± 5.75 (6)***

Iron Chelating

Spondias pinnata

66.54 ± 0.84 (6)

 

EDTA

1.27 ± 0.05 (6)***

  1. # Units of IC50 for all activities are μg/ml, except H2O2 scavenging, where the units are mg/ml. Data are expressed as mean ± S.D. Data in parenthesis indicate number of independent assays.
  2. EDTA, Ethylenediamine tetraacetic acid.
  3. * p < 0.05.
  4. ** p < 0.01.
  5. *** p < 0.001 vs Spondias pinnata.