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galanthus_nivalis_l [2016/03/01 17:20]
andreas 		galanthus_nivalis_l [2016/03/01 17:34]
andreas
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 "The populations of Galanthus differed in their alkaloid biosynthetic pathways. Thus, the alkaloid pattern of G. nivalis was dominated by compounds coming from a para-para′ oxidative coupling of O-methylnorbelladine. The predominant alkaloids in the roots of this species were found to belong to the lycorine and tazettine structural types; bulbs were dominated by tazettine, leaves by lycorine and flowers by haemanthamine type alkaloids. In contrast, the alkaloid pattern of G. elwesii was dominated mainly by compounds coming from an ortho-para′ oxidative coupling." \\ "The populations of Galanthus differed in their alkaloid biosynthetic pathways. Thus, the alkaloid pattern of G. nivalis was dominated by compounds coming from a para-para′ oxidative coupling of O-methylnorbelladine. The predominant alkaloids in the roots of this species were found to belong to the lycorine and tazettine structural types; bulbs were dominated by tazettine, leaves by lycorine and flowers by haemanthamine type alkaloids. In contrast, the alkaloid pattern of G. elwesii was dominated mainly by compounds coming from an ortho-para′ oxidative coupling." \\
 [Phytochemical differentiation of Galanthus nivalis and Galanthus elwesii (Amaryllidaceae): A case study., Berkov, S., Bastida, J., Sidjimova, B., Viladomat, F., Codina, C., Biochemical Systematics and Ecology, Vol.36(8), 2008, 638-645] [Phytochemical differentiation of Galanthus nivalis and Galanthus elwesii (Amaryllidaceae): A case study., Berkov, S., Bastida, J., Sidjimova, B., Viladomat, F., Codina, C., Biochemical Systematics and Ecology, Vol.36(8), 2008, 638-645]
 +
 +"Both G. elwesii and G. nivalis have populations dominated by galanthamine-type compounds, but G. elwesii
 +accumulated mainly galanthamine, while G. nivalis produced its 3,4-dihydro derivative lycoramine. The biosynthetic divergence reported for sympatric G. nivalis and G. elwesii populations, namely the predominance of compounds proceding from a para-para’ oxidative coupling of O-methylnorbelladine (haemanthamine- and tazettine-type alkaloids) in G. nivalis, and alkaloids from an ortho-para oxidative coupling (lycorine and homolycorine types) in G. elwesii, has now been confirmed for other populations." \\
 +[Alkaloid diversity in Galanthus elwesii and Galanthus nivalis., Berkov, S., Bastida, J., Sidjimova, B., Viladomat, F., Codina, C., Chemistry & biodiversity, 8(1), 2011, 115-130]
  
 {{:schneegl.jpg|}} \\ {{:schneegl.jpg|}} \\
 Wernekinck, F., Icones plantarum sponte nascentium in episcopatu Monasteriensi, vol.1, t.29 (1798) \\ Wernekinck, F., Icones plantarum sponte nascentium in episcopatu Monasteriensi, vol.1, t.29 (1798) \\
 [[http://plantgenera.org/species.php?id_species=448735]] [[http://plantgenera.org/species.php?id_species=448735]]
galanthus_nivalis_l.txt · Zuletzt geändert: 2018/02/09 18:04 von andreas

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