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Chemical composition of the essential oil of Baccharoides lilacina from India.

Natural product communications (2013-05-18)
Rajesh K Joshi
ABSTRACT

The essential oil composition from the aerial parts of Baccharoides lilacina (Dalzell & A. Gibson) M. R. Almeida was analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). A total of 41 compounds have been identified, representing 97.4% of the total oil. The main constituents were identified as beta-caryophyllene (27.7%), epi-alpha-cadinol (25.1%), caryophyllene oxide (9.9%), alpha-muurolol (7.6%), alpha-cadinene (6.1%) and alpha-cadinol 4.5%). The oil was found to be rich in oxygenated sesquiterpenes (47.1%) and sesquiterpene hydrocarbons (46.2%).

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
β-Caryophyllene, ≥80%, FCC, FG
Sigma-Aldrich
(−)-trans-Caryophyllene, ≥98.0% (sum of enantiomers, GC)
Supelco
(−)-trans-Caryophyllene, analytical standard