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Antioxidant activities of the three essential oils tested as compared to standard BHT, BHA and ascorbic acid.
| Activities | Essential Oils | Standards | ||||
|---|---|---|---|---|---|---|
| L. nobilis | Z. officinale | A. graveolens | BHT | Ascorbic Acid | BHA | |
| DPPH (IC50; µg/mL) | 135 | 470 | 3000 | 11.5 | ||
| RP (EC50; µg/mL) | 1850 | 1900 | 2400 | 37.3 | ||
| β-carotenes (µg/mL) | 3600 | 1900 | 4000 | 48 | ||
| Ionsuperoxyde (O2−) (µg/mL) | 620 | 320 | 400 | 1.5 | ||
