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Table 2 In vitro radical-scavenging activities for each fraction isolated from ethanol extract of Lysimachia christinae Hance

From: Evaluation of the antioxidant and endothelial protective effects of Lysimachia christinae Hance (Jin Qian Cao) extract fractions

Fraction/standard antioxidants

IC50 (mg/mL)

DPPH radical-scavenging activity

ABTS radical-scavenging activity

Superoxide anion radical-scavenging activity

Hydroxyl radical-scavenging activity

PE fraction

0.043

2.586

***

0.451

EA fraction

0.029

1.49

0.608

0.288

NB fraction

0.026

1.288

0.191

0.214

AQ fraction

0.056

3.712

0.801

0.763

BHT

0.023

TROLOX

1.471

VC

0.118

0.187

  1. BHT, TROLOX and VC acted as positive control. ***: Cannot be detected;----: Not used as reference. PE petroleum ether, EA ethyl acetate, NB n-butanol, AQ aqueous, DPPH Diphenylpicrylhydrazyl, ABTS 2,2′-azino-bis(3- ethylbenzothiazoline-6-sulphonic acid)