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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)