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Table 2 IC50 inhibition of COX-1 and COX-2 and COX-2 inhibition selectivity of the EOs

From: Spectral characterization, antioxidant, antimicrobial, cytotoxic, and cyclooxygenase inhibitory activities of Aloysia citriodora essential oils collected from two Palestinian regions

Name

IC50 (μg/ml)

Selectivity ratio for COX-2

COX-1

COX-2

Ketoprofen

7.8827 ± 0.02

40.1762 ± 0.12

0.20

Umm al-Fahm

349.988 ± 0.33

1326.378 ± 1.13

0.26

Baqa al-Gharbiyye

52.9349 ± 0.13

89.3088 ± 031

0.59