Table 1.

Percentage scavenging and IC₅₀ of antioxidant assay for CME and Fractions of E. wallichii root

S. No.	Extract	Scavenging effect (%) at different concentrations ± STDEV *							IC 50 μg/mL
		100 μg/mL	50 μg/mL	25 μg/mL	10 μg/mL	5 μg/mL	2 μg/mL	1 μg/mL
1.	CME	92.6 ± 0.23	93.0 ± 0.23	93.0 ± 0.32	53.0 ± 0.21	44.0 ± 0.00	18.0 ± 0.32	6.0 ± 0.56	8.410
2.	NHF	12.2 ± 0.13	-	-	-	-	-	-	>100
3.	NBF	93.1 ± 0.60	93.2 ± 0.72	93.0 ± 0.52	37.0 ± 0.23	34.2 ± 0.34	3.1 ± 0.02	-	13.55
4.	CHF	90.2 ± 0.72	31.1 ± 0.42	9.1 ± 0.35	-	-	-	-	63.35
5.	EAF	92.7 ± 0.56	93.7 ± 0.45	91.3 ± 0.35	54.1 ± 0.34	48.0 ± 0.25	29.1 ± 0.21	5.0 ± 0.13	7.89
6.	AQF	91.0 ± 0.32	90.2 ± 0.26	90.1 ± 0.76	29.0 ± 0.59	5.8 ± 0.32	-	-	15.23
7.	A.A.	95.0 ± 0.53	94.8 ± 0.61	90.0 ± 0.48	66.4 ± 1.2	44.7 ± 0.23	30.0 ± 0.41	11.7 ± 0.71	5.63

*Data represents mean values of three replicates, A.A.: Ascorbic acid, - : shows no activity