Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii
Lupinus aschenbornii S. Schauer, Fabaceae, grows in the Central Highlands of Mexico, at altitudes between 2800 to 4300 m above sea level. The alkaloid patterns in organs of L. aschenbornii were analyzed by Gas-Liquid Chromatography-Mass Spectrometry (GLC-MS). Quinolizidine alkaloids (QA) were identified according to their mass fragmentation patterns, in combination with their Kovats retention indeces. Total QA content in organs differed substantially: seed contained 3.3 mg/g dry weight, flowers 2.8 mg/g DW, leaves 1.9 mg/g DW, stems 1.5 mg/g DW, and pods 1.4 mg/g DW. Roots do not accumulate QA and their profiles differed considerably: while seed stored N-formylangustifoline (17%), 17-oxolupanine (16%), multiflorine (11%) and an unidentified alkaloid (n.i.) 2869 (11%) as main QA, sparteine was absent. In flowers, sparteine reached 73%, in leaves up to 80%, in stems up to 32% and in pods up to 96%. Other QA present were lupanine (32% in stem, 9% in flower and 7% in seed); N-formylangustifoline (9% in stem and 4% in flower); multiflorine (6% in stem and 3% in flower). Differences in QA profile might be a strategy of lupins to avoid adaptation of possible predators because the different QA have different pharmacological properties.
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Sociedade Brasileira de Farmacognosia
2011
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oai:scielo:S0102-695X20110005000072011-09-23Quinolizidine alkaloid composition in different organs of Lupinus aschenborniiHernández,Edith MontesRangel,María L. CoronaCorona,Aidee EncarnaciónAngel,Jorge A. Cantor delLópez,Jesús Arnoldo SánchezSporer,FrankWink,MichaelTorres,Kalina Bermúdez mexican Lupinus phylogeny quinolizidine alkaloid profiles Lupinus aschenbornii S. Schauer, Fabaceae, grows in the Central Highlands of Mexico, at altitudes between 2800 to 4300 m above sea level. The alkaloid patterns in organs of L. aschenbornii were analyzed by Gas-Liquid Chromatography-Mass Spectrometry (GLC-MS). Quinolizidine alkaloids (QA) were identified according to their mass fragmentation patterns, in combination with their Kovats retention indeces. Total QA content in organs differed substantially: seed contained 3.3 mg/g dry weight, flowers 2.8 mg/g DW, leaves 1.9 mg/g DW, stems 1.5 mg/g DW, and pods 1.4 mg/g DW. Roots do not accumulate QA and their profiles differed considerably: while seed stored N-formylangustifoline (17%), 17-oxolupanine (16%), multiflorine (11%) and an unidentified alkaloid (n.i.) 2869 (11%) as main QA, sparteine was absent. In flowers, sparteine reached 73%, in leaves up to 80%, in stems up to 32% and in pods up to 96%. Other QA present were lupanine (32% in stem, 9% in flower and 7% in seed); N-formylangustifoline (9% in stem and 4% in flower); multiflorine (6% in stem and 3% in flower). Differences in QA profile might be a strategy of lupins to avoid adaptation of possible predators because the different QA have different pharmacological properties.info:eu-repo/semantics/openAccessSociedade Brasileira de FarmacognosiaRevista Brasileira de Farmacognosia v.21 n.5 20112011-10-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-695X2011000500007en10.1590/S0102-695X2011005000149 |
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Hernández,Edith Montes Rangel,María L. Corona Corona,Aidee Encarnación Angel,Jorge A. Cantor del López,Jesús Arnoldo Sánchez Sporer,Frank Wink,Michael Torres,Kalina Bermúdez |
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Hernández,Edith Montes Rangel,María L. Corona Corona,Aidee Encarnación Angel,Jorge A. Cantor del López,Jesús Arnoldo Sánchez Sporer,Frank Wink,Michael Torres,Kalina Bermúdez Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
author_facet |
Hernández,Edith Montes Rangel,María L. Corona Corona,Aidee Encarnación Angel,Jorge A. Cantor del López,Jesús Arnoldo Sánchez Sporer,Frank Wink,Michael Torres,Kalina Bermúdez |
author_sort |
Hernández,Edith Montes |
title |
Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
title_short |
Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
title_full |
Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
title_fullStr |
Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
title_full_unstemmed |
Quinolizidine alkaloid composition in different organs of Lupinus aschenbornii |
title_sort |
quinolizidine alkaloid composition in different organs of lupinus aschenbornii |
description |
Lupinus aschenbornii S. Schauer, Fabaceae, grows in the Central Highlands of Mexico, at altitudes between 2800 to 4300 m above sea level. The alkaloid patterns in organs of L. aschenbornii were analyzed by Gas-Liquid Chromatography-Mass Spectrometry (GLC-MS). Quinolizidine alkaloids (QA) were identified according to their mass fragmentation patterns, in combination with their Kovats retention indeces. Total QA content in organs differed substantially: seed contained 3.3 mg/g dry weight, flowers 2.8 mg/g DW, leaves 1.9 mg/g DW, stems 1.5 mg/g DW, and pods 1.4 mg/g DW. Roots do not accumulate QA and their profiles differed considerably: while seed stored N-formylangustifoline (17%), 17-oxolupanine (16%), multiflorine (11%) and an unidentified alkaloid (n.i.) 2869 (11%) as main QA, sparteine was absent. In flowers, sparteine reached 73%, in leaves up to 80%, in stems up to 32% and in pods up to 96%. Other QA present were lupanine (32% in stem, 9% in flower and 7% in seed); N-formylangustifoline (9% in stem and 4% in flower); multiflorine (6% in stem and 3% in flower). Differences in QA profile might be a strategy of lupins to avoid adaptation of possible predators because the different QA have different pharmacological properties. |
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Sociedade Brasileira de Farmacognosia |
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2011 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-695X2011000500007 |
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