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Table 2 Antioxidant activity of eight compounds isolated from Entada abyssinica

From: Cytotoxicity, antimicrobial and antioxidant activity of eight compounds isolated from Entada abyssinica (Fabaceae)

Compounds DPPH (IC50, µg/mL) ABTS (IC50, µg/mL) FRAP (µmol FeSO4/g)
1 2.87 ± 1.19a 7.04 ± 1.29a 1.43 ± 0.80a
2 0.9 ± 0.06b 3.53 ± 0.39b 76.01 ± 1.10b
3 2.08 ± 0.19a 17.04 ± 0.26c 75.34 ± 1.06b
4 1.93 ± 0.14a
5 5.09 ± 0.40c
6 0.48 ± 0.02c 2.53 ± 0.49d 103.98 ± 13.70d
7 1.12 ± 0.10c,d 4.13 ± 0.10e 72.41 ± 2.02b,e
8 22.98 ± 4.29f
Trolox 8.71 ± 2.03e 10.38 ± 2.4a,f nd
Ascorbic acid 3.44 ± 1.9a,f 4.15 ± 1.21d,e nd
  1. Data represent the mean ± SD of three independent experiments; values with different letters are significantly different at p < 0.05
  2. nd not determined, – 100 µg/mL