Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 25, Issue 8, Pages 1326-1330Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.5935/0103-5053.20140112
Keywords
damascenone; norisoprenoids; seasonality
Categories
Funding
- FAPESC (Fundacao de Amparo a Pesquisa do estado de Santa Catarina) [013/2009]
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The chemical composition of the volatile oil from the leaves of three specimens of D. frutescens, collected over a period of one year, was determined by gas chromatography-mass spectrometry (GC-MS) and gas chromatography with flame ionization detection (GC-FID). These essential oils were characterized by the presence of norisoprenoids (beta-damascenone, beta-ionone, and alpha-ionone), as well as sesquiterpenes. Multivariate analysis showed that the compounds beta-damascenone and beta-ionone exerted the greatest influence on spatial and temporal differences in the composition of the oils. Samples obtained from specimens located in the same city showed similar chemical compositions.
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