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  • Chemical composition of the essential oil of Erechtites valerianaefolia from Mérida, Venezuela.

Chemical composition of the essential oil of Erechtites valerianaefolia from Mérida, Venezuela.

Natural product communications (2013-12-21)
Johanna Hernández, Ismer Bracho, Luis B Rojas-Fermin, Alfredo Usubillaga, Juan Carmona
ABSTRACT

The volatile components from the leaves of Erechtites valerianaefolia (Wolf) DC. were obtained by hydrodistillation and analyzed by GC/MS. A total of 12 compounds, representing 99.8% of the oil, were identified. The dominant compounds were limonene (56.7%), myrcene (12.7%), trans-beta-farnesene (10.2%) and l-phellandrene (8.7%).

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
(R)-(+)-Limonene, 97%
Supelco
(R)-(+)-Limonene, analytical standard
Sigma-Aldrich
(R)-(+)-Limonene, technical, ~90% (sum of enantiomers, GC)
Sigma-Aldrich
(S)-(−)-Limonene, 96%
Supelco
(S)-(−)-Limonene, analytical standard
Sigma-Aldrich
(S)-(−)-Limonene, ≥95%, FG