Antioxidant activity of tuberosin isolated from Pueraria tuberose Linn

Journal of Inflammation

Table 2 Effect of tuberosin on pre-generated ABTS* radical and superoxide radical scavenging property

Concentration of tuberosin (μmuM)	% decrease in absorbance at 734 nm (mean ± S.D.) for ABTS* radical scavenging	% decrease in absorbance at 560 nm (mean ± S.D.) for SO radical scavenging
50	8.42 ± 0.99*	5.78 ± 0.46**
125	24.09 ± 0.33*	18.98 ± 0.76**
200	45.16 ± 0.89*	27.89 ± 0.55**
250	60.00 ± 1.05*	54.78 ± 0.87**
375	77.25 ± 1.06*	67.11 ± 0.77**
500	93.08 ± 0.63 *	83.44 ± 0.63**
775	97.24 ± 0.89*	97.24 ± 1.22**
EC₅₀	198.67 μmuM	205.11 μmuM
	EC₅₀ of Vit C- 220 μmuM,	EC₅₀ for quercetin- 0.60 μmuM

ISSN: 1476-9255