Journal of Chemistry / 2013 / Article / Tab 3

Research Article

Design, Synthesis, and In Vitro Antioxidant Activity of 1,3,5-Trisubstituted-2-pyrazolines Derivatives

Table 3

Free radical scavenging activity of 5-furan-2-yl-3-aryl-4, 5-dihydro-1H-pyrazole 2(a–e).

Compound Concentration in μg/mLPercentage of scavenging ± SD
DPPHNitric oxide

2a500
250
125

2b500
250

2c500
250

2d500
250
125
62.5

2e500
250
125
62.5
31.25

Ascorbic acid50

Rutine 50

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