Volatile constituents of five species ofPortlandia(Rubiaceae)

Autor:	Javier Francisco-Ortega, María L. Veisaga, Keron C. St. E. Campbell, Manuel A. Barbieri, Christopher Chin, Horacio A. Priestap, Brett Jestrow, Tracy Commock
Rok vydání:	2013
Předmět:	Rubiaceae Chromatography Portlandia albiflora Portlandia General Chemistry Biology biology.organism_classification Hexanal Borneol chemistry.chemical_compound Linalool chemistry Genus Botany Methyl salicylate
Zdroj:	Journal of Essential Oil Research. 26:125-129
ISSN:	2163-8152 1041-2905
DOI:	10.1080/10412905.2013.851039
Popis:	Portlandia (Rubiaceae) is a genus endemic to Jamaica. The volatile organic constituents of P. albiflora, P. coccinea, P. grandiflora, P. latifolia and P. proctorii were analyzed by headspace solid-phase microextraction (SPME) coupled with capillary mass spectrometry. The main constituents detected in these species are 1-penten-3-one, hexanal, (E)-2-hexenal, linalool, borneol and methyl salicylate. All species are rich in aliphatic aldehydes, mainly represented by (E)-2-hexenal, that range from 17% (P. latifolia) to 90% (P. coccinea) of total volatiles. The high content of aldehydes is characteristic to Portlandia species and may serve as a chemical marker to differentiate Portlandia from related genera within the Rubiaceae.
Databáze:	OpenAIRE
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