Locations | DPPH free radical scavenging activity (%) | IC50 (µg mL−1) | Ferric reducing antioxidant potential (μM of Fe(II) g−1) | IC50 (µg mL−1) |
---|---|---|---|---|
Perak | 66.29 ± 4.88b | 86.7 ± 5.80c | 522.1 ± 18.29b | 91.5 ± 7.83c |
Negeri Sembilan | 52.47 ± 4.46c | 109.2 ± 6.12b | 462.5 ± 14.80c | 121.2 ± 7.14b |
Johor | 41.62 ± 2.71d | 153.1 ± 6.32a | 407.5 ± 11.62d | 140.6 ± 8.49a |
Positive controls | ||||
 α-tocopherol | 84.19 ± 5.20a | 42.6 ± 3.25e | 871.2 ± 20.48a | 44.9 ± 3.91e |
 BHT | 70.58 ± 4.35b | 79.6 ± 4.04d | 514.5 ± 15.20b | 93.5 ± 4.37c |