Antioxidant and Antiproliferative Potential of Bioactive Molecules Ursolic Acid and Thujone Isolated from Memecylon edule and Elaeagnus indica and Their Inhibitory Effect on Topoisomerase II by Molecular Docking Approach

Table 5

Superoxide radical scavenging activity of ursolic acid and thujone.

Concentration (µg/mL)	Superoxide radical scavenging activity (% of inhibition)
	Ursolic acid	Thujone	Ascorbic acid	BHA
20	24.11 ± 1.13^a	07.95 ± 0.71^a	25.31 ± 0.29^a	13.04 ± 0.62^a
40	48.49 ± 0.41^b	10.95 ± 0.37^a,b	34.24 ± 0.42^b	24.10 ± 0.45^b
60	57.71 ± 0.89^c	19.82 ± 0.58^a,b	44.62 ± 0.54^c	37.28 ± 0.17^c
80	64.67 ± 0.41^d	24.64 ± 0.37^b	60.06 ± 0.50^d	40.18 ± 0.42 ^d
100	76.91 ± 0.33^e	43.41 ± 9.69^c	75.56 ± 0.25^e	56.35 ± 0.29^e

The values are mean of triplicates with standard deviation (mean ± S.D; n = 3). Different superscript letters (a–e) in column within treatments indicates significant differences (at ) when subject to Tukey’s multiple comparison test.