Composition of Ceanothus gregii oil as determined by steam distillation and solid-phase microextraction

TitleComposition of Ceanothus gregii oil as determined by steam distillation and solid-phase microextraction
Publication TypeJournal Article
Year of Publication2010
AuthorsLucero, ME, Estell, RE, Fredrickson, EL
JournalJournal of Essential Oil Research
Volume22
Pagination140-142
Accession NumberLTER.2010-90104
KeywordsJRN, rhamnaceae
Abstract

Ceanothus gregii Gray was collected from the Jornada Experimental Range in south central New Mexico. Current year’s growth was collected from ten plants found within an approximate 50 m radius of the GPS coordinates N32°40.605’ and W106°33.486’at an altitude of 1,741 m during July 2001. Composite samples of the plants were steam distilled in triplicate, and the composite oil was analyzed using both GC-FID and GC/MS. The volatile composition of the same plants was also examined using solid-phase microextraction (SPME) with a 100?m polydimethylsiloxane fiber. Mass spectra and retention indices were used to identify 41 previously described compounds. Methyl salicylate (16.8%), hexenal (11.8%) and n-decanal (7.0%) were the major identified compounds.

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