Table 7.
Antioxidant activity of R. officinalis and L. angustifolia EOs and Hys.
| R. officinalis EO | R. officinalis Hy | L. angustifolia EO | L. angustifolia Hy | ||
|---|---|---|---|---|---|
| DPPH | IC50 * | 13.48 ± 1.59 | 136.30 ± 3.85 | 7.75 ± 0.10 | 240.02 ± 13.65 |
| TEAC ** | 1.90 ± 0.15 | 0.22 ± 0.03 | 3.30 ± 0.10 | 0.12 ± 0.01 | |
| ABTS•+ | IC50 * | 20.20 ± 2.72 | 349.42 ± 19.32 | 18.71 ± 2.16 | 181.24 ±15.71 |
| TEAC ** | 23.53 ± 2.43 | 1.35 ± 0.03 | 25.45 ± 3.73 | 2.62 ± 0.31 |
* µg/mL; ** µmol/mg. Values are expressed as means ± SD; half maximal inhibitory concentration (IC50); 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt based assay (ABTS•+); 2,2-diphenyl-1-picrylhydrazyl assay (DPPH); Trolox equivalent antioxidant capacity (TEAC).