The essential oil from leaves of Mauria heterophylla Kunth (Anacardiaceae): chemical and enantioselective analyses

JOURNAL OF ESSENTIAL OIL RESEARCH(2023)

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摘要
The first chemical and enantioselective analyses of the essential oil from the leaves of Mauria heterophylla Kunth were carried out. The dry plant materialproduced an essential oil with a 0.09 +/- 0.05% yield by weight. The volatile fraction was submitted to GC-MS (qualitative) and GC-FID (quantitative) analyses, on two different stationary phases. A total of forty-four constituents were detected and quantified with at least one column, corresponding to about 85.5% of the whole oil mass. Limonene (15.2%), (E)-beta-caryophyllene (11.1%), alpha-phellandrene (10.9%), germacrene D (6.6%), alpha-pinene (6.4%), myrcene (3.9%), beta-phellandrene (2.8%), bicyclogermacrene (2.8%), (E)-beta-farnesene (2.2%) and delta-cadinene (1.2%) were major components. Furthermore, the study was complemented with the enantioselective analysis of eleven common chiral terpenes, carried out on two beta-cyclodextrin-based chiral selectors. Among the chiral metabolites, (1R,4S)-(+)-camphene, (1R,5R)-(+)-beta-pinene, (S)-(+)-alpha-phellandrene and (S)-(+)-beta-phellandrene were enantiomerically pure, whereas alpha-pinene, sabinene, limonene, linalool, terpinen-4-ol, alpha-terpineol and germacrene D were present as scalemic mixtures.
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关键词
Mauria heterophylla, gas chromatography, mass spectrometry, enantiomers, beta-cyclodextrin, Ecuador
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