The chemical composition of the essential oils of Euphorbia caracasana and E. cotinifolia (Euphorbiaceae) from Venezuela

The chemical composition of the essential oils of Euphorbia caracasana and E. cotinifolia (Euphorbiaceae) from Venezuela

The essential oils from leaves of E. caracasana Boiss collected from Miyoi, Pueblo Llano, Mérida State at 1800 m above sea level and leaves of E. cotinifolia L collected from Manzano Alto-Ejido, Mérida State at 1520 m were analyzed by GC/MS. Beta-Caryophyllene (33.7 %), alpha-humulene (18.8 %) and a...

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Bibliographic Details
Published in:Natural product communications Vol. 4; no. 4; p. 571
Main Authors: Rojas, Janne, Baldovino, Shirley, Vizcaya, Marietta, Rojas, Luis B, Morales, Antonio
Format: Journal Article
Language:English
Published: United States 01-04-2009
Subjects:
Euphorbia - chemistry
Gas Chromatography-Mass Spectrometry
Oils, Volatile - chemistry
Oils, Volatile - isolation & purification
Plant Leaves - chemistry
Venezuela
Venezuela
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Summary:The essential oils from leaves of E. caracasana Boiss collected from Miyoi, Pueblo Llano, Mérida State at 1800 m above sea level and leaves of E. cotinifolia L collected from Manzano Alto-Ejido, Mérida State at 1520 m were analyzed by GC/MS. Beta-Caryophyllene (33.7 %), alpha-humulene (18.8 %) and aromadendrene (8.4 %) were the major constituents of E. caracasana oil, whereas those of E. cotinifolia oil were beta-caryophyllene (39.3 %), germacrene-D (21.5 %) and alpha-copaene (9.3 %).
ISSN:1934-578X
DOI:10.1177/1934578X0900400426