Essential oils from the halophytic plant Atriplex inflata F. Muell: chemical composition, antioxidant and antimicrobial activities.

摘要

The present work was carried out to determine the chemical composition and to evaluate the antioxidant and the antimicrobial proprieties of the essential oil extracted from the different plant parts of Atriplex inflata F. Muell. In addition to essential oil, some organic extracts were also tested. Based on the GC/MS analysis, difference in composition between leaves, fruits and roots was noticed. The antioxidant capacity of the volatile fractions and the organic extracts was determined by the inhibition of DPPH and ABTS+ radical forms. A positive activity was observed in volatile fraction of leaves. Antimicrobial activity was evaluated by the determination of the minimal inhibition concentration (MIC) using the ethanolic and the acetonic extracts and the volatile fractions from fruits, leaves and roots. Bacteria and yeasts were found to be more sensitive towards volatile fraction extracted from the A. Inflata leaves.