Table 5 Antioxidant activity of methanol extracts from ten plant species

B. acerifolium

44.96 ± 3.24^d

33.12 ± 1.68^e

B. bidwilli

10.28 ± 0.41^c

15.01 ± 0.16^d

B. unijugata

4.14 ± 0.25^a,b,c

3.07 ± 0.26^a,b

C. macrocarpa

1.13 ± 0.12^a

3.04 ± 0.02^a,b

C. bracteosum

3.55 ± 0.47^a,b

6.69 ± 0.16^c

K. wilmsii

4.64 ± 0.58^a,b,c

2.91 ± 0.11^a,b

L. alata

1.89 ± 0.09^a

1.35 ± 0.02^a

N. africana

3.06 ± 0.11^a,b

5.72 ± 0.32^b,c

P. longifolia

5.64 ± 0.00^a,b,c

2.04 ± 0.03^a

S. leptodictya

7.16 ± 1.12^b,c

4.21 ± 0.07^a,b,c

Ascorbic acid (1 mg/ml)

1.59 ± 0.04^a

1.71 ± 0.32^a

Trolox (1 mg/ml)

3.04 ± 1.42^a,b

2.40 ± 0.87^a