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International Journal of Phytomedicine and Phytotherapy

Table 3 Means for DPPH, Antioxidant activity and FRAP assay of ginger extract

From: Comparison and HPLC quantification of antioxidant profiling of ginger rhizome, leaves and flower extracts

 

Treatments

Ginger Part

Means

Rhizome

Leaves

Flower

DPPH %

Methanol

57.82 ± 2.25

68.16 ± 2.66

55.70 ± 2.17

60.56 ± 2.36a

Ethanol

51.10 ± 2.15

75.54 ± 3.17

69.26 ± 2.91

65.30 ± 2.74b

Water

49.36 ± 1.73

53.22 ± 1.86

44.54 ± 1.56

49.04 ± 1.72c

Means

52.76 ± 2.11c

65.64 ± 2.63a

56.50 ± 2.26b

 

Antioxidant Activity %

Methanol

58.38 ± 2.28

70.42 ± 2.75

61.22 ± 2.39

63.34 ± 2.22b

Ethanol

72.46 ± 3.04

77.88 ± 3.27

69.56 ± 2.92

73.30 ± 3.08a

Water

51.32 ± 1.80

56.60 ± 1.98

53.84 ± 1.88

53.92 ± 2.10c

Means

60.72 ± 2.43b

68.32 ± 2.73a

61.54 ± 2.46b

 

FRAP (μmole TE/g)

Methanol

95.40 ± 3.72

100.18 ± 3.91

98.84 ± 3.85

98.14 ± 3.83ab

Ethanol

99.52 ± 4.18

105.72 ± 4.44

102.62 ± 4.31

102.62 ± 4.28a

Water

92.54 ± 3.24

97.46 ± 3.41

94.58 ± 3.32

94.86 ± 3.32b

Means

95.82 ± 3.83b

101.12 ± 4.04a

98.68 ± 3.95ab

 
  1. Means carrying same letters do not differ significantly