Table 1.

IC₅₀ of DPPH radical scavenging activity of M. fruticosa serpyllifolia VOs from different regions of Palestine and Trolox.

	Trolox	Nablus	Ramallah	Hebron
IC50 (μg/mL)	0.64 ± 0.12	0.47 ± 0.02a	0.45 ± 0.01a	0.47 ± 0.01d
Max. I% DPPH radical scavenging activity	96.80 ± 2.83	49.25 ± 0.33d	50.19 ± 0.65bd	45.01 ± 0.86cde

^a p < 0.05 compared to Trolox, ^bp < 0.05 compared to Nablus, ^cp < 0.01 compared to Ramallah, ^dp < 0.01 compared to Trolox, and ^ep < 0.01 compared to Nablus; ^∗mean ± SD, n = 3.