info:eu-repo/semantics/conferencePoster
CHEMICAL CHARACTERIZATION OF ESSENTIAL OIL OF GOBERNADORA (Larrea tridentata), OBTAINED BY HYDRODISTILLATION
Autor
MIRNA ESTARRON ESPINOSA
GUSTAVO CASTILLO HERRERA
Institución
Resumen
Larrea tridentata, also known as “gobernadora” or “hediondilla”, is a native plant to North America and
it is distributed abundantly in the desert areas of northern Mexico and southwestern United States.
Since ancient times, this plant has been used in Mexico as an herbal remedy for its healing and
medicinal properties, which are mainly attributed to the biological activity of secondary metabolites
present in extracts and essential oils. In this work, we evaluated the physicochemical properties and
volatile composition of the essential oil extracted by hydrodistillation from dried leaves of Larrea
tridentata in flowering stage, accord to the AFNOR regulation. The essential oil yield was 0.15% from
plant material with a moisture content of 5%. Ninety six components (88.3% of total) were tentatively
identified by GC-MS. The most abundant compounds were (E, E)-farnesyl acetate (9.5%), alphaeudesmol
(5.7%) and beta-eudesmol (5.5%). Among its physicochemical parameters, relative density at
25°C was 0.9665 and 1.4711 for refractive index. The characterization of this essential oil has revealed a
high complexity, with a large number of volatile compounds, mainly monoterpenes and sesquiterpenes
which are related with antiinflammatory and antimicrobial activities.