Table 3 Free radicals scavenging effects of non-polar and polar extracts of F. ananassa calyx against DPPH and ABTS
Tested groups | Inhibition percentages (%) | |||||
|---|---|---|---|---|---|---|
DPPH | ABTS | |||||
0.01 mg/mL | 0.05 mg/mL | 0.1 mg/mL | 0.01 mg/mL | 0.05 mg/mL | 0.1 mg/mL | |
Petroleum ether extract | 53 ± 0.31 | 68 ± 0.09 | 84 ± 0.05 | 29 ± 0.20 | 59 ± 0.17 | 83 ± 0.11 |
Ethyl acetate extract | 57 ± 0.20 | 73 ± 0.18 | 89 ± 0.23 | 36 ± 0.13 | 61 ± 0.14 | 84 ± 0.07 |
Vitamin C | 62 ± 0.17 | 79 ± 0.21 | 94 ± 0.19 | 37 ± 0.07 | 68 ± 0.11 | 89 ± 0.05 |