Table 2.
DPPH test, superoxide anion radical-scavenging activity, reducing power, chelating power, and β-carotene of two EOs (C. carvi and C. sativum) and their mixture compared to authentic standards (BHT and EDTA).
| DPPH IC50 (μg.mL−1) |
Superoxide Anion IC50 (μg.mL−1) |
Reducing Power EC50 (μg.mL−1) |
Chelating Power EC50 (μg.mL−1) |
β-Carotene IC50 (μg.mL−1) |
|
|---|---|---|---|---|---|
| C. sativum | 38.83 ± 0.76 a | 37.00 ± 1.73 a | 24.00 ± 1.53 a | 70.00 ± 0.81 a | 25.70 ± 1.02 a |
| C. carvi | 34.00 ± 3.46 b | 28.00 ± 7.00 b | 18.00 ± 1.00 b | 36.33 ± 4.10 b | 19.00 ± 2.16 b |
| Mixture | 19.00 ± 1.00 c | 10.33 ± 0.58 c | 11.33 ± 1.53 c | 31.33 ± 0.47 b | 11.16 ± 0.84 c |
| BHT | 11.5 ± 0.62 d | 1.60 ± 0.20 d | 23.00 ± 1.00 a | - | 4.60 ± 1.60 d |
| EDTA | - | - | - | 32.50 ± 1.32 b | - |
a–d: each value represents the average of 3 repetitions. Means (three replicates) followed by the same letter are not significantly different at p < 0.05.