Evaluation of the antioxidant and antibacterial activity of Pulicaria incisa (Lam.) essential oil

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Hanane Lougraimzi, Soufiane M’sou, Abdelaaziz Bouaichi, Imad Kotba, Achbani El Hassan

Abstract

The present study describes the antioxidant and antimicrobial activities of the essential oil of Pulicaria incisa (Lam.), obtained from the aerial part harvested from Oulad Embarek (Beni Mellal-Khenifra region located in the center in Morocco). The P. incisa essential oil presents IC50 using DPPH of 105.99 ± 4.25 μg/mL and an EC50 using FRAP of 87.21 ± 3.1 μg/mL. The antimicrobial activity of the oil was evaluated for five microorganisms. The results obtained revealed different degrees of sensitivity of the bacterial strains tested. The Allorhizobium vitis (S4) and Agrobacterium tumefaciens( C58) strains are the most sensitive to the investigated oil, with inhibition diameters greater than 20 mm and a MIC and CMB of 0.25 (v/v) and 0.5 (v/v) respectively.

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