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Table 1 Antioxidant activities of A. andrachne and E. rigida methanol extracts

From: Evaluation of the antioxidant and cytotoxic potency of Euphorbia rigida and Arbutus andrachne methanol extracts in human hepatocellular carcinoma cell lines in vitro

 

Concentrations (µg mL−1)

DPPH scavenging activity (% ± SD)

Total antioxidant capacity (% ± SD)

Metal chelating activity (% ± SD)

Ascorbic acid

25

77.36 ± 0.008*

76.50 ± 0.059*

50

79.43 ± 0.020*

77.92 ± 0.053*

EDTA

10

97.55 ± 0.016*

Arbutus andrachne methanol extract

10

52.13 ± 0.012*

19.29 ± 0.291

44.52 ± 0.072

25

69.08 ± 0.002*

30.33 ± 0.041

45.19 ± 0.047

50

82.24 ± 0.008*

46.77 ± 0.231

48.02 ± 0.051

75

83.71 ± 0.004*

65.57 ± 0.145*

51.80 ± 0.142*

100

84.21 ± 0.011*

77.68 ± 0.141*

51.63 ± 0.144*

150

84.38 ± 0.010*

81.30 ± 0.235*

55.32 ± 0.055*

Euphorbia rigida methanol extract

10

32.40 ± 0.004

24.87 ± 0.112

38.43 ± 0.031

25

34.21 ± 0.001

36.98 ± 0.058

42.31 ± 0.070

50

55.75 ± 0.001*

52.33 ± 0.064*

45.18 ± 0.017

75

69.08 ± 0.009*

59.27 ± 0.072*

48.19 ± 0.043

100

78.13 ± 0.004*

66.18 ± 0.126*

49.60 ± 0.072

150

82.40 ± 0.006*

67.40 ± 0.129*

51.44 ± 0.023*

  1. Data are the mean ± SD of three separate determinations. Means with an asterisk in the same line indicate a significant (p < 0.05) difference between the concentrations tested. Means with asterisks in the same column indicate the significant (p < 0.05) difference between the solvent used