Table 5.
The antioxidant activities of isolated components from Myristica fragrans determined with DPPH, ABTS, superoxide, and hydroxyl.
| Compounds | DPPH IC50 (μg/mL) |
ABTS IC50 (μg/mL) |
Superoxide IC50 (μg/mL) |
Hydroxyl IC50 (μg/mL) |
|---|---|---|---|---|
| Dehydrodiisoeu-genol | 66.02 ± 2.85 * | 8.43 ± 0.42 *** | >200 | 68.29 ± 0.70 |
| Malabaricone B | >200 | 7.05 ± 0.72 *** | >200 | 95.22 ± 4.20 |
| Malabaricone C | 8.35 ± 2.20 ** | 5.36 ± 0.19 ** | >200 | 72.81 ± 2.58 * |
| BHT a | 34.28 ± 1.40 * | 10.67 ± 0.41 ** | N.A. b | 69.96 ± 4.66 * |
Results are expressed as half inhibitory concentration (IC50) of each free-radical scavenging activity. a Butylated hydroxytoluene (BHT) used as positive control; b N.A. indicates not available; * p < 0.05, ** p < 0.01, and *** p < 0.001 compared with the control.