Chemical profiling and bioactivity studies on aerial parts Ammoides atlantica (Coss. et Durieu) H. Wolff

The Algerian endemic plant Ammoides atlantica (Coss. et Durieu) H. Wolff was studied for the chemical profiling and biological activities of its essential oil (EO) and ethanolic extract (EE). The chemical analysis by GC/MS and HPLC/DAD/UV revealed, respectively, the major compounds thymol (39.46%), γ-terpinene (31.74%), and p-cymene (19.01%) in the EO, and apigenin (33.58%), luteolin 7-O-glucoside (20.09%), and luteolin (14.39%) in the EE. The EO exhibited strong antioxidant activity, with a significant ABTS•+ scavenging capacity (IC50 = 2.79 µg/mL) compared to EE, Trolox, and BHT. The EE showed comparable effects to BHT in DPPH scavenging and reducing power tests. Moreover, the EO demonstrated noteworthy antibacterial activity against S. aureus, E. coli, and P. aeruginosa, with inhibition zone diameters ranging from 32.1 to 70 mm and MICs below 0.3 to 5 mg/mL. Furthermore, the EE exhibited strong anti-inflammatory activity by inhibiting hemolysis of red blood cells >70% at a concentration of 20 µg/mL.

Abstract licence: CC BY

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