Abstract
Plants of the Daucus genus (Apiaceae) are used worldwide as traditional medicines or culinary ingredients. In this work, in order to explore a new chemotype, the essential oil obtained from the aerial parts of Daucus reboudii Coss., collected from the National Park of Gouraya (Bejaïa, Algeria), was analyzed by GC-MS. Twenty-eight compounds were identified, accounting for 96.6% of the total oil. (E)-anethol was the main constituent (59.4%), followed by estragol (21.2%) and dodecanal (4.4%). (E)-anethol is an uncommon constituent of Daucus genus, hence it could be considered as a marker that contributes to differentiating D. reboudii from other species. Metal chelating, ABTS•+ and DPPH• assays were performed to determine the antioxidant activity. The highest activity was revealed by the DPPH• method, where D. reboudii essential oil showed a significantly higher activity compared to the reference standard BHT at doses of 50 and 100 µg/mL. Results suggest that the essential oil from D. reboudii could have a potential use in the food industry as food preservative. Nevertheless, further studies are needed to assess its applicability, and to elucidate also the composition of non-volatile compounds of this plant.
Highlights
Aerial parts of D. reboudii were collected during the ripening stage near the National
The yield of the essential oil obtained from the aerial parts of D. reboudii was 0.9%
Our results showed that the chemical composition of the D. reboudii essential oil growing in Bejaïa, Algeria, was significantly different, mainly due to the presence of the oxygenated monoterpenes (E)anethol and estragole
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Because of their essential oils in particular, plants of the Apiaceae family have been used as spices or raw medicines since antiquity. Most of the species of the genus Daucus are encountered in Africa, Europe, West Asia and North America, and several species of this family (the carrot family) provide us with economically important food products. Daucus genus is widely diffused, and Daucus carota is one of the most commonly used as a vegetable for human nutrition [1]
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