TY - JOUR
T1 - Chemotaxonomy of Portuguese Ulex
T2 - Quinolizidine alkaloids as taxonomical markers
AU - Máximo, Patrícia
AU - Lourenço, Ana
AU - Tei, Andreas
AU - Wink, Michael
N1 - Funding Information:
We thank the people from Herbário, Museu, Jardim Botânico da Universidade de Lisboa for collecting and classifying the plant material. One of us (P.M.) would like to thank the Fundação para a Ciência e Tecnologia for a PRAXIS XXI PhD grant.
PY - 2006/9
Y1 - 2006/9
N2 - Six species of Portuguese Ulex L. in a total of nineteen populations were studied by GC-EIMS as to their content in quinolizidine alkaloids. Sparteine, β-isosparteine, jussiaeiine A, N-methylcytisine, cytisine, 5,6-dehydrolupanine, rhombifoline, lupanine, jussiaeiine B, N-formylcytisine, N-acetylcytisine, anagyrine, jussiaeiine C, jussiaeiine D, pohakuline, baptifoline, and epibaptifoline were detected. Analysis of the chromatograms showed that the chemical profile of all species was mainly composed of N-methylcytisine, cytisine, anagyrine, and jussiaeiines A, B, C and D. Therefore a quantification study of these alkaloids in all the populations studied was done by GC. These data were then submitted to cluster analysis and principal component analysis, which allowed the definition of five chemotypes and the recognition of hybrids. N-methylcytisine, cytisine, and jussiaeiines A, C and D are recognized as markers of this genus in Portugal.
AB - Six species of Portuguese Ulex L. in a total of nineteen populations were studied by GC-EIMS as to their content in quinolizidine alkaloids. Sparteine, β-isosparteine, jussiaeiine A, N-methylcytisine, cytisine, 5,6-dehydrolupanine, rhombifoline, lupanine, jussiaeiine B, N-formylcytisine, N-acetylcytisine, anagyrine, jussiaeiine C, jussiaeiine D, pohakuline, baptifoline, and epibaptifoline were detected. Analysis of the chromatograms showed that the chemical profile of all species was mainly composed of N-methylcytisine, cytisine, anagyrine, and jussiaeiines A, B, C and D. Therefore a quantification study of these alkaloids in all the populations studied was done by GC. These data were then submitted to cluster analysis and principal component analysis, which allowed the definition of five chemotypes and the recognition of hybrids. N-methylcytisine, cytisine, and jussiaeiines A, C and D are recognized as markers of this genus in Portugal.
KW - Chemotaxonomy
KW - Fabaceae
KW - Quinolizidine alkaloids
KW - Ulex airensis
KW - Ulex australis
KW - Ulex densus
KW - Ulex europaeus
KW - Ulex jussiaei
KW - Ulex minor
UR - http://www.scopus.com/inward/record.url?scp=33748210851&partnerID=8YFLogxK
U2 - 10.1016/j.phytochem.2006.05.037
DO - 10.1016/j.phytochem.2006.05.037
M3 - Article
C2 - 16876210
AN - SCOPUS:33748210851
SN - 0031-9422
VL - 67
SP - 1943
EP - 1949
JO - Phytochemistry
JF - Phytochemistry
IS - 17
ER -