Table 4.
Sample | IC50 (μg/mL)∗ | % H2O2 scavenged∗∗ |
---|---|---|
Pulp essential oil | 512.0 ± 5.1 | 24.38 ± 0.21 |
Leaf essential oil | 244.8 ± 3.2 | 31.80 ± 0.51 |
Ascorbic acid | 21.3 ± 3.2 | ND |
Gallic acid | ND | 95.00 ± 1.12∗∗∗ |
∗IC50, concentration of extract required to scavenge 50% of DPPH radicals. ∗∗% H2O2 scavenged was determined at 1 mg/mL for essential oils. ∗∗∗For gallic acid, % H2O2 scavenged was determined at 50 μg/mL.