Skip to main content

Table 3 Antioxidant activity and total phenolic content (TPC) of acetone extracts from nine plants of the Fabaceae family

From: In vitro antibacterial, antioxidant and cytotoxic activity of acetone leaf extracts of nine under-investigated Fabaceae tree species leads to potentially useful extracts in animal health and productivity

Plant name

DPPH IC50(μg/mL)

ABTS IC50(μg/mL)

TPC (mg GAE/g)

Baphia racemosa

210.69 ± 65.48a

195.10 ± 54.68a

0.12 ± 0.1a

Crotalaria capensis

195.26 ± 30.64a

207.09 ± 70.75a

2.21 ± 0.95b

Erythrina caffra

268.6 ± 29.69a

173.28 ± 43.04a

3.29 ± 1.38c

Lonchocarpus nelsii

247.70 ± 66.47a

134.64 ± 16.49a

1.51 ± 0.74b

Virgilia divaricata

271.58 ± 51.96a

150.57 ± 19.23a

0.86 ± 0.53d

Indigofera cylindrica

22.31 ± 9.92b

41.39 ± 15.74b

8.94 ± 1.52e

Xylia torreana

16.90 ± 5.45b

14.56 ± 3.96 c

12.05 ± 1.23f

Podalyria calyptrata

35.21 ± 3.46c

36.66 ± 3.59b

7.89 ± 1.48e

Dalbergia nitidula

9.31 ± 2.14 d

21.30 ± 5.07d

14.39 ± 0.62g

Trolox

9.71 ± 2.23d

12.48 ± 3.7c

nd

Ascorbic acid

2.44 ± 0.9e

3.14 ± 1.07e

nd

  1. Values in bold indicate MICs lower than 100 μg/mL and total activity higher than 1000 ml/g.
  2. n = 3, means values within a column with different superscript letters are significantly different at p < 0.05; mg GAE/g: mg of gallic acid equivalent per g of dry plant material.