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Table 5 Compound D1 exhibited antioxidant activity in a dose dependent manner

From: Design, synthesis and biological evaluation of substituted pyrazoles endowed with brominated 4-methyl 7-hydroxy coumarin as new scaffolds against Alzheimer’s disease

Sl. no.

Groups

Concentration (μg/ml)

Absorbance (mean ± SD)

% Scavenging

IC50 (μg/ml)

1

Control

 

0.139 ± 0.0004

  

2

Standard (ascorbic acid)

12.5

0.058 ± 0.0004

42.24

23

25

0.071 ± 0.0002

51.56

50

0.095 ± 0.0008

69.82

100

0.112 ± 0.0005

82.05

200

0.127 ± 0.0005

92.41

3

Test compound D1

12.5

0.005 ± 0.0001

39.56

29.2

25

0.065 ± 0.0045

47.26

50

0.092 ± 0.0011

67.89

100

0.104 ± 0.0036

78.45

200

0.123 ± 0.0025

88.92