Table 2 Antioxidant activity of eight compounds isolated from Entada abyssinica

1

2.87 ± 1.19^a

7.04 ± 1.29^a

1.43 ± 0.80^a

2

0.9 ± 0.06^b

3.53 ± 0.39^b

76.01 ± 1.10^b

3

2.08 ± 0.19^a

17.04 ± 0.26^c

75.34 ± 1.06^b

4

–

–

1.93 ± 0.14^a

5

–

–

5.09 ± 0.40^c

6

0.48 ± 0.02^c

2.53 ± 0.49^d

103.98 ± 13.70^d

7

1.12 ± 0.10^c,d

4.13 ± 0.10^e

72.41 ± 2.02^b,e

8

–

–

22.98 ± 4.29^f

Trolox

8.71 ± 2.03^e

10.38 ± 2.4^a,f

nd

Ascorbic acid

3.44 ± 1.9^a,f

4.15 ± 1.21^d,e

nd