Table 1 DPPH free radical scavenging and IC50 values of standard, crude extracts and their fractions.

From: Comparative investigation of free radical scavenging and cyclic voltammetric analyses to evaluate the antioxidant potential of selective green vegetables extracts

Test sample

IC50 (µg/mL)

% RSA at 512 µg/mL

Ascorbic acid

14.79

93.92

Ipomoea aquatica

188.15

64.49

I. aquatica; Fraction 1

80.29

65.63

I. aquatica; Fraction 2

41.80

70.33

I. aquatica; Fraction 3

86.19

75.09

I. aquatica; Fraction 8

153.41

74.82

Colocasia esculenta

170.84

66.83

C. esculenta; Fraction 1

35.55

81.87

C. esculenta; Fraction 2

45.81

81.16

C. esculenta; Fraction 3

92.32

76.12

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