Skip to main content

Advertisement

Table 3 Antioxidant activity of tested extracts

From: In vitro determination of the anti-aging potential of four southern African medicinal plants

Plant name Plant part Extract type IC50/(μg/mL)*
Clerodendrum glabrum Roots MeOH 21.1 ± 1.72
EtOAc 17.8 ± 6.47
Stems MeOH 17.0 ± 1.96
EtOAc 9.90 ± 3.27
Bark MeOH 10.8 ± 0.99
EtOAc ng
Fruits MeOH 35.5 ± 4.01
EtOAc 63.9 ± 5.03
Peltophorum africanum Leaves MeOH 5.3 ± 0.72
EtOAc 9.2 ± 0.76
Seeds MeOH 7.16 ± 0.93
EtOAc 11.4 ± 2.48
Bark MeOH 4.9 ± 0.47
EtOAc 2.0 ± 0.23
Stems MeOH 4.5 ± 0.38
EtOAc 2.1 ± 0.17
Psychotria capensis Stems MeOH 11.3 ± 1.90
EtOAc 52.0 ± 15.30
Roots MeOH 9.6 ± 0.73
EtOAc 9.5 ± 1.06
Leaves MeOH 68.3 ± 8.87
EtOAc 62.3 ± 6.00
Seeds MeOH 25.8 ± 2.72
EtOAc 23.9 ± 4.57
Schotia brachypetala Bark MeOH 2.8 ± 0.31
EtOAc 7.7 ± 0.55
Leaves MeOH 7.8 ± 0.63
EtOAc 50.3 ± 9.33
Trolox N/A N/A 2.84 ± 0.52
  1. *Results are given as IC50 ± SD ng = extracts had negligible antioxidant activity.