Article (Scientific journals)
Metabolomic analysis of Strychnos nux-vomica, Strychnos icaja and Strychnos ignatii extracts by H-1 nuclear magnetic resonance spectrometry and multivariate analysis techniques
Frederich, Michel; Choi, Young Hae; Angenot, Luc et al.
2004In Phytochemistry, 65 (13), p. 1993-2001
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Keywords :
loganiaceae; Strychmos nux-vomica; Strychnos ignatii; Strychnos icaja; strychnine; brucine; metabolic profiling; H-1 NMR; multivariate analysis; PCA; alkaloid
Abstract :
[en] H-1 Nuclear magnetic resonance spectrometry and multivariate analysis techniques were applied for the metabolic profiling of three Strychnos species: Strychnos nux-vomica (seeds, stem bark, root bark), Strychnos ignatii (seeds), and Strychnos icaja (leaves, stem bark, root bark, collar bark). The principal component analysis (PCA) of the H-1 NMR spectra showed a clear discrimination between all samples, using the three first components. The key compounds responsible for the discrimination were brucine, loganin, fatty acids.. and Strychnos icaja alkaloids such as icajine and sungucine. The method was then applied to the classification of several "false angostura" samples. These samples were, as expected, identified as S. nux-vomica by PCA, but could not be clearly discriminated as root bark or stem bark samples after further statistical analysis. (C) 2004 Published by Elsevier Ltd.
Disciplines :
Biochemistry, biophysics & molecular biology
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Frederich, Michel  ;  Université de Liège - ULiège > Département de pharmacie > Pharmacognosie
Choi, Young Hae
Angenot, Luc  ;  Université de Liège - ULiège > Département de pharmacie > Pharmacognosie
Harnischfeger, Goetz
Lefeber, Alfons W. M.
Verpoorte, Robert
Language :
English
Title :
Metabolomic analysis of Strychnos nux-vomica, Strychnos icaja and Strychnos ignatii extracts by H-1 nuclear magnetic resonance spectrometry and multivariate analysis techniques
Publication date :
July 2004
Journal title :
Phytochemistry
ISSN :
0031-9422
eISSN :
1873-3700
Publisher :
Pergamon-Elsevier Science Ltd, Oxford, United Kingdom
Volume :
65
Issue :
13
Pages :
1993-2001
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 February 2009

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