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Table 1 IC50 values of various extracts of R. arvensis

From: Antioxidant and phytochemical analysis of Ranunculus arvensis L. extracts

Antioxidant assays

IC50 (µg/mL)

Extract

DPPH free radical scavenging assay

Hydrogen peroxide scavenging assay

Phosphomolybdenum assay

Chloroform extract

330.29 ± 0.01

124.36 ± 0.01

52.58 ± 0.01

Chloroform:methaol extract

186.28 ± 0.01

101.6 ± 0.01

69.39 ± 0.03

Methanol extract

34.71 ± 0.02

65.73 ± 0.01

66.06 ± 0.01

Methanol:acetone extract

285.28 ± 0.01

134.68 ± 0.01

63.09 ± 0.01

Acetone extract

264.08 ± 0.01

69.55 ± 0.01

56.29 ± 0.01

Methanol:water extract

47.61 ± 0.02

43.53 ± 0.02

77.95 ± 0.01

Water extract

85.11 ± 0.02

51.27 ± 0.01

74.37 ± 0.01

Ascorbic acida

6.38 ± 0.01

39.05 ± 0.01

26.16 ± 0.01

LSD value

8.14

6.30

9.90

CV

12.01%

8.49%

12.72%

R2

0.96

0.97

0.96

  1. p < 0.05.
  2. LSD least significant difference, CV coefficient of variation, LD 50 lethal dose, 50%, IC 50 half maximal inhibitory concentration.
  3. aPositive control values are expressed as ascorbic acid (AA) (average ± SD; n = 4).