Assessment of Antioxidant effect of the essential oil and methanol extract of Centaurea dimorpha Viv. aerial parts from Algeria.

Author:

Belkassam Abdelwahab12,Zellagui Amar2,Gherraf Noureddine3,Flamini Guido4,Cioni Pier Luigi4,Rebbas Khellaf1,Smaili Tahar12

Affiliation:

1. Département de Sciences de la Nature et de la Vie, Faculté de Sciences , Université de M’sila , 28000 M’sila , Algeria

2. Laboratory of Biomolecules and Plant Breeding , Life Science and Nature Department, Faculty of Exact Science and Life Science and Nature , University of Larbi Ben M’hidi Oum El Bouaghi , Algeria

3. Laboratory of Natural Resources and Management of Sensitive Environments , Larbi ben M’hidi University , Oum El Bouaghi , Algeria

4. Dipartimento di Scienze Farmaceutiche, Sede di Chimica Bioorganica e Biofarmacia , University of Pisa , Via Bonanno 33, 56126 Pisa , Italy

Abstract

Abstract The essential oils obtained by hydrodistillation of aerial parts of Centaurea dimorpha Viv. were analyzed by means of gas chromatography-mass spectrometry (GC-MS). The main constituents were Caryophyllene oxide (09.88%), limonene (5.73%), tetradecanoic acid (5.68%), spathulenol (5.44%), methyl hexadecanoate (4.45%), and α-pinene (03.08%). To our best knowledge this is the first study of essential oils from the aerial parts of Centaurea dimorpha growing in Algeria. Moreover the essential oil and methanolic extract were screened for their possible in vitro antioxidant activity by DPPH free radical-scavenging test. The findings showed that the percentage inhibition is 10.67 and 77.01 respectively at a concentration of 1mole/L.

Publisher

Walter de Gruyter GmbH

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