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Direct identification and quantitative determination of costunolide and dehydrocostuslactone in the fixed oil of Laurus novocanariensis by 13C-NMR spectroscopy.

Authors
  • Ferrari, Bernard
  • Castilho, Paula
  • Tomi, Félix
  • Rodrigues, Ana Isabel
  • do Ceu Costa, Maria
  • Casanova, Joseph
Type
Published Article
Journal
Phytochemical analysis : PCA
Publication Date
Jan 01, 2005
Volume
16
Issue
2
Pages
104–107
Identifiers
PMID: 15881118
Source
Medline
License
Unknown

Abstract

The fixed oil of Laurus novocanariensis (previously L. azorica) contains mostly glycerides together with minor non-saponifiable compounds. The direct identification and quantitative determination of costunolide and dehydrocostuslactone, two sesquiterpene lactones components of the oil that exhibit biological activities, is described. The analysis was carried out using 13C-NMR spectroscopy (signal acquisition with inverse gated decoupling of protons; diglyme as internal standard) without separation, derivatisation or any sample preparation.

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