Table 2.
Antioxidant activity of the isolated from Laurus nobilis L. leaves essential oil, its main components and positive standarts.
| Sample |
Hydroxyl
a
IC 50 (μL/mL) |
Süperoxide
a
IC 50 (μL/mL) |
Hydrogene peroxide
a
IC 50 x10 4 (μL/mL) |
Lipid peroxidation
a
IC 50 (μL/mL) |
DPPH
IC 50 (μL/mL) |
|---|---|---|---|---|---|
| Essential oil | 0.398 ± 0.028 | 0.141 ± 0.004 | 2.421 ± 0.136 | 0.124 ± 0.003 | 0.575 ± 0.060 |
| Curcuminb | 13.56 ± 1.190 | 8.655 ± 0.222 | 3.70 ± 0.10 | 1.220 ± 2.013 | 9.60 ± 0.46 |
| Ascorbic acidb | nt | 92.450 ± 4.14 | 11.20 ± 0.56 | nt | 17.57 ± 2.86 |
| BHTb | 32.00 ± 1.61 | 62.301 ± 0.903 | 6.984 ± 0.337 | 3.022 ± 1.346 | 23.750 ±0.500 |
| 1,8 cineole | 2.25 ±0.12 | - | - | 0.020 ± 0.221 | - |
| 1-(S)-α–pinene | - | - | - | 0.328 ± 0.780 | - |
| R-(+)-limonene | 8.95 ± 0.34 | - | - | 0.024 ± 0.580 | 283.62 ± 2.87 |
aValues are expressed as mean ± SD three different experiments.
b Curcumin, ascorbic acid and BHT were used as positive controls.
nt: not tested