Table 2 Inhibition concentrations of the test samples scavenging 50% of DPPH radical (IC₅₀)

MeOH extract

52.48 ± 0.19^a

EtOAc extract

78.11 ± 0.61^b

n-hexane extract

90.04 ± 1.26^c

1

8.73 ± 0.51^d

4

273.81 ± 0.43^e

3

487.99 ± 0.81^f

6

6.44 ± 0.74^g

5

2.28 ± 0.12^h

7

0.71 ± 0.09ⁱ

Vitamin C

0.96 ± 0.14^j