Ferulago nodosa Subsp. geniculata (Guss.) Troia & | Raimondo from Sicily (Italy): Isolation of Essential Oil and Evaluation of Its Bioactivity
Natale Badalamenti | Vincenzo Ilardi | Sergio Rosselli | Maurizio Bruno | Filippo Maggi | Mariarosaria Leporini | Tiziana Falco | Monica R. Loizzo | Rosa Tundis
Ferulago nodosa (L.) Boiss. (Apiaceae) is a species occurring in the Balkan-Tyrrhenian area. The object of the present study is Sicilian F. nodosa subsp. geniculata (Guss.) Troia &: Raimondo, classified as an endemic F. nodosa subspecies. Aerial parts of this plant species were subjected to hydrodistillation to obtain an essential oil. A total of 93 compounds were identified with 2,3,6-trimethyl benzaldehyde (19.0%), spathulenol (9.0%), (E)-caryophyllene (5.4%), and caryophyllene oxide (5.4%) as the main components. The biological activities of F. nodosa essential oil were also investigated. This oil showed an interesting antioxidant potential in a 2,2&prime:-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) test (IC50 of 14.05 &mu:g/mL). Additionally, hypoglycemic and antilipidemic effects were evaluated. Lipase enzyme was inhibited with an IC50 value of 41.99 &mu:g/mL. Obtained data demonstrated that F. nodosa could be considered a promising source of bioactive compounds useful for the treatment and management of obesity.
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