Ahmed Akrout | INSTITUT DES REGIONS ARIDES (original) (raw)

Papers by Ahmed Akrout

Food and Chemical Toxicology, 2011

The essential oil of Artemisia campestris and the ethanol-water, hexane and water extracts of A. ... more The essential oil of Artemisia campestris and the ethanol-water, hexane and water extracts of A. campestris and Thymelaea hirsuta collected in southern of Tunisia were investigated for their antioxidant (DPPH, ABTS and beta-carotene methods) and antitumor growth inhibition of human colon cancer HT-29 cells using MTT test activities.

Flavour and Fragrance Journal, 2001

The composition of the essential oil obtained by hydrodistillation from the aerial parts of sever... more The composition of the essential oil obtained by hydrodistillation from the aerial parts of several populations of Artemisia campestris L. (Asteraceae), collected from four areas of south-eastern of Tunisia (Bengardane, Benikhdache, Jerba and Tataouine), was analysed by GC–MS. Thirteen to fifteen components were identified in each sample, representing more than 95% of the total oil. All samples were dominated by the presence of β-pinene (24.2–27.9%), p-cymene (17.4–22.3%) and α-pinene (4.1–11.0%), representing more than 45% of the total oil. The distribution of other components in the different extracts was qualitatively and quantitatively irregular. The variability of the composition can be attributed to the climatic and geographical conditions among areas. Copyright © 2001 John Wiley & Sons, Ltd.

Journal of Essential Oil Research, 2003

Abstract The leaf oil isolated by hydrodistillation from aerial parts of Artemisia campestris L.(... more Abstract The leaf oil isolated by hydrodistillation from aerial parts of Artemisia campestris L.(Asteraceae) collected from four areas of the south of Tunisia (Bengardane, Benikhdache, Jerba and Tataouine) at three periods of the year 1998 (April, August and November) ...

Journal of Essential Oil Research, 2009

Résumé/Abstract Seedlings of Artemisia herba-alba Asso collected from Kirchaou area were transpla... more Résumé/Abstract Seedlings of Artemisia herba-alba Asso collected from Kirchaou area were transplanted in an experimental garden near the Institut des Régions Arides of Médenine (Tunisia). During three years, the aerials parts were harvested (three levels of cutting, 25% ...

Experimental Agriculture, 2009

SUMMARY Artemisia herba-alba Asso has been successfully cultivated in the Tunisian arid zone. How... more SUMMARY Artemisia herba-alba Asso has been successfully cultivated in the Tunisian arid zone. However, information regarding the effects of the harvest frequency on its biomass and essential oil yields is very limited. In this study, the effects of three different ...

Comptes Rendus Chimie, 2010

Eight annual species growing wild in the southern of Tunisia (Diplotaxis simplex, Chrysanthemum c... more Eight annual species growing wild in the southern of Tunisia (Diplotaxis simplex, Chrysanthemum coronarium, Matthiola longipetela, Erodium glaucophyllum, Reseda alba, Diplotaxis harra, Senecio gallicus and Papaver rhoeas) were evaluated for their mineral contents and phytochemical screening. The mineral analysis showed that calcium and potassium were the most concentrated minerals (1.21-3.60% and 0.36-3.20% respectively) followed by sodium (0.12-1.38%), magnesium (0.16-0.41%) and phosphorus (0.05-28%). The preliminary phytochemical screening revealed the absence of anthraquinones in all studied plants whereas alkaloids were only present in Papaver rhoeas. Senecio gallicus and Chrysanthemum coronarium were the only species that contained essential oils. All species were found to contain saponins, flavonoids and tannins with the exception of Erodium glaucophyllum and Papaver rhoeas. These results indicate that some of these species may be used as fodder plants for livestock due to their high contents of minerals but the presence of some secondary metabolites may reduce their palatability. In the other hand, these secondary metabolites could be the origin of the medicinal properties of these species.

Food and Chemical Toxicology, 2011

The essential oil of Artemisia campestris and the ethanol-water, hexane and water extracts of A. ... more The essential oil of Artemisia campestris and the ethanol-water, hexane and water extracts of A. campestris and Thymelaea hirsuta collected in southern of Tunisia were investigated for their antioxidant (DPPH, ABTS and beta-carotene methods) and antitumor growth inhibition of human colon cancer HT-29 cells using MTT test activities.

Flavour and Fragrance Journal, 2001

The composition of the essential oil obtained by hydrodistillation from the aerial parts of sever... more The composition of the essential oil obtained by hydrodistillation from the aerial parts of several populations of Artemisia campestris L. (Asteraceae), collected from four areas of south-eastern of Tunisia (Bengardane, Benikhdache, Jerba and Tataouine), was analysed by GC–MS. Thirteen to fifteen components were identified in each sample, representing more than 95% of the total oil. All samples were dominated by the presence of β-pinene (24.2–27.9%), p-cymene (17.4–22.3%) and α-pinene (4.1–11.0%), representing more than 45% of the total oil. The distribution of other components in the different extracts was qualitatively and quantitatively irregular. The variability of the composition can be attributed to the climatic and geographical conditions among areas. Copyright © 2001 John Wiley & Sons, Ltd.

Journal of Essential Oil Research, 2003

Abstract The leaf oil isolated by hydrodistillation from aerial parts of Artemisia campestris L.(... more Abstract The leaf oil isolated by hydrodistillation from aerial parts of Artemisia campestris L.(Asteraceae) collected from four areas of the south of Tunisia (Bengardane, Benikhdache, Jerba and Tataouine) at three periods of the year 1998 (April, August and November) ...

Journal of Essential Oil Research, 2009

Résumé/Abstract Seedlings of Artemisia herba-alba Asso collected from Kirchaou area were transpla... more Résumé/Abstract Seedlings of Artemisia herba-alba Asso collected from Kirchaou area were transplanted in an experimental garden near the Institut des Régions Arides of Médenine (Tunisia). During three years, the aerials parts were harvested (three levels of cutting, 25% ...

Experimental Agriculture, 2009

SUMMARY Artemisia herba-alba Asso has been successfully cultivated in the Tunisian arid zone. How... more SUMMARY Artemisia herba-alba Asso has been successfully cultivated in the Tunisian arid zone. However, information regarding the effects of the harvest frequency on its biomass and essential oil yields is very limited. In this study, the effects of three different ...

Comptes Rendus Chimie, 2010

Eight annual species growing wild in the southern of Tunisia (Diplotaxis simplex, Chrysanthemum c... more Eight annual species growing wild in the southern of Tunisia (Diplotaxis simplex, Chrysanthemum coronarium, Matthiola longipetela, Erodium glaucophyllum, Reseda alba, Diplotaxis harra, Senecio gallicus and Papaver rhoeas) were evaluated for their mineral contents and phytochemical screening. The mineral analysis showed that calcium and potassium were the most concentrated minerals (1.21-3.60% and 0.36-3.20% respectively) followed by sodium (0.12-1.38%), magnesium (0.16-0.41%) and phosphorus (0.05-28%). The preliminary phytochemical screening revealed the absence of anthraquinones in all studied plants whereas alkaloids were only present in Papaver rhoeas. Senecio gallicus and Chrysanthemum coronarium were the only species that contained essential oils. All species were found to contain saponins, flavonoids and tannins with the exception of Erodium glaucophyllum and Papaver rhoeas. These results indicate that some of these species may be used as fodder plants for livestock due to their high contents of minerals but the presence of some secondary metabolites may reduce their palatability. In the other hand, these secondary metabolites could be the origin of the medicinal properties of these species.