Table 5 Antioxidant activities of CNE.
Fraction | ABTS IC50 (µg/mL) | DPPH IC50 (µg/mL) | FRAP µM Fe2+/g |
|---|---|---|---|
Ethanolic crude extract (ECE) | 223.26 ± 10.7 | 457.03 ± 7.8 | 68.85 ± 4.1 |
Hexane fraction (CN-HEXF) | 83.83 ± 2.6 | 250.15 ± 35.1 | 98.07 ± 8.8 |
Dichloromethane fraction (CN-DCMF) | 96.96 ± 6.1 | 402.66 ± 15.8 | 87.02 ± 7.9 |
Ethyl acetate fraction (CN-EtOAcF) | 43.77 ± 0.7 | 79.98 ± 4.4 | 564.18 ± 9.3 |
Water fraction (CN-WTF) | 302.45 ± 11.2 | 710.44 ± 15.1 | 54.10 ± 7.0 |