Skip to main content
Chemical and Biological Technologies in Agriculture

Table 8 Antioxidant activity (%) of aqueous and ethanolic extracts from ginger peels and residues against different antioxidant assays

From: Chemical constituents and biological activities of different extracts from ginger plant (Zingiber officinale)

Samples

Antioxidant assay

   
 

DPPH

ABTS

KMnO4

Methylene blue

Cold water extract

80.40 ± 0.64b

14.67 ± 0.54c

94.88 ± 0.48b

27.51 ± 0.56c

Hot water extract

84.15 ± 0.60a

74.71 ± 0.36b

91.63 ± 0.55c

34.66 ± 0.17b

Ethanolic extract

24.7 ± 1.34d

92 ± 0.74a

42.45 ± 0.38d

27.41 ± 0.58c

Ascorbic acid

76.42 ± 0.31c

73.93 ± 0.21b

99.09 ± 0.06a

59.69 ± 0.26a

  1. Values are means of three replicates ± SE
  2. The values in the column followed by the same letter are not significantly different at P = 0.01
Back to article page