Delgado ÁWA, Cuca SLE, Caroprese JF

Language: Spanish
References: 23
Page: 248-260
PDF size: 291.08 Kb.

ABSTRACT

Introduction: cascarilla and sassafras oils are sold in market places of some settlements in the Colombian and/or Venezuelan Orinoquía. These oils are used to alleviate conditions such as rheumatoid arthritis and respiratory disorders, and to treat the bites of insects and poisonous animals. The oils are obtained from the species Ocotea cymbarum Kunth, which displays abundant botanical synonymy as Alseodaphne cymbarum, Licaria cymbarum,Misanteca cymbarum, Nectandra barcellensis, Nectandra cymbarum, Nectandra elaiophora, Nectandra oleífera and Ocotea barcellensis.
Objective: carry out a comparative analysis of the physicochemical characteristics of essential oil of cascarilla and/or sassafras (Ocotea cymbarum Kunth).
Methods: the relative chemical composition of oils obtained from wood and bark was determined by gas chromatography coupled with mass spectrometry (GC-MS). Estimation and comparison of retention indices was conducted with orthogonal polarity columns. Comparison of electron impact mass spectra was performed with the databases NIST08.L and Wiley9.L.
Results: forty-five compounds were determined from the samples analyzed. More than 90% of the relative composition established for each oil corresponds to monoterpenic compounds, mainly camphor and alpha-terpineol. Analysis of the biosynthetic pathways leading to the generation of the main compounds detected in the oils studied, showed that the species from which the oils were obtained exhibit varying degrees of micromolecular evolution.
Conclusion: cascarilla and sassafras oils are obtained from plant species at varying stages of chemical evolution. This result constitutes additional evidence of the great biological diversity of the Lauraceae family.
The study was conducted with financial support from the Natural Plant Products Laboratory of the Chemistry Department at the National University of Colombia at Bogotá.

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