. 2023 Sep 9;28(18):6547. doi: 10.3390/molecules28186547

Table 2.

Antioxidant activity (%±SD) of Mexican oregano essential oil (Lippia graveolens Kunth) from plants occurring naturally in semiarid areas and cultivated in the field and greenhouse in northern Mexico.

Site/ Concentration (µL mL⁻¹)	ABTS Antioxidant Activity (%)
Site/ Concentration (µL mL⁻¹)	0.01	2.50	5.00	10.00
Wild1	85.74 ± 0.21 ^a	90.69 ± 0.18 ^b	93.44 ± 0.54 ^b	95.61 ± 0.53 ^c
Wild2	90.80 ± 0.01 ^a	93.28 ± 0.11 ^a	93.28 ± 0.11 ^b	95.27 ± 0.10 ^b
CField	91.47 ± 0.05 ^b	90.42 ± 0.13 ^b	93.40 ± 0.20 ^b	92.27 ± 0.20 ^b
CGreenhouse	92.76 ± 0.19 ^b	93.05 ± 0.01 ^b	93.33 ± 0.11 ^b	94.50 ± 0.28 ^b

^a,b,c Different lowercase letters represent significant differences (p < 0.05) between sites x concentration.