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papaver_bracteatum_lindl [2015/03/25 11:27]
andreas 		papaver_bracteatum_lindl [2015/03/25 11:30]
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 "The known metabolic pathway for hydrophenanthrene alkaloids in Papaver somniferum has been examined for occurrence in P. bracteatum, a species reported to contain thebaine but no codeine or morphine... Studies of the natural abundance of morphinan alkaloids in P. bracteatum and the results from feeding codeinone-[16-3H] and codeine-[16-3H] indicate that this species can reduce codeinone to codeine but can not perform either of the demethylations to produce codeinone or morphine." \\ "The known metabolic pathway for hydrophenanthrene alkaloids in Papaver somniferum has been examined for occurrence in P. bracteatum, a species reported to contain thebaine but no codeine or morphine... Studies of the natural abundance of morphinan alkaloids in P. bracteatum and the results from feeding codeinone-[16-3H] and codeine-[16-3H] indicate that this species can reduce codeinone to codeine but can not perform either of the demethylations to produce codeinone or morphine." \\
 [Morphinan alkaloids in Papaver bracteatum: Biosynthesis and fate., Hodges, C.C., Horn, J.S., Rapoport, H., Phytochemistry, Vol.16(12), 1977, 1939-1942] [Morphinan alkaloids in Papaver bracteatum: Biosynthesis and fate., Hodges, C.C., Horn, J.S., Rapoport, H., Phytochemistry, Vol.16(12), 1977, 1939-1942]
 +
 +"N-Methylthebainium (as iodide) and corytuberine were isolated from the roots and green aerial parts of Papaver bracteatum LINDL., thebaine race Halle III, as significant alkaloids in addition to the predominant alkaloid thebaine (0.61 and 0.23% respectively), as well as the minor alkaloids isothebaine, scoulerine, protopine, epialpinine (O-methylalpinigenine), N-methylisothebainium (as iodide), isoboldine, corydine, rhoeadine, magnoflorine, a mixture of coptisine and palmatine and a new alkaloid PB 1 C18H19NO4. Bracteoline and papaverrubines G, E, D and C were detected chromatographically. From the ripe capsules of the race Halle III N-methylthebainium (as perchlorate), corytuberine and a mixture of coptisine and palmatine were isolated in addition to thebaine (0.67%). From the ripe capsules of P. bracteatum, population Demavend (Iran), thebaine (0.56%), epialpinine, alpinigenine, corytuberine, N-methylthebainium (as iodide) and a mixture of coptisine and palmatine were isolated and the presence of papaverrubines G, D and C was detected. In the latex of flowering plants salutaridine was also detected." \\
 +[Alkaloids from Papaver bracteatum LINDL., Slavík, J., Slavíková, L., Collection of Czechoslovak chemical communications, Vol.50(5), 1985, 1216-1226]
  
 {{:papaver_bracteatum.jpg?500}} \\ {{:papaver_bracteatum.jpg?500}} \\
 Lindley, J., Collectanea Botanica, t.23 (1821) [J. Lindley] \\ Lindley, J., Collectanea Botanica, t.23 (1821) [J. Lindley] \\
 [[http://plantgenera.org/species.php?id_species=746755]] [[http://plantgenera.org/species.php?id_species=746755]]
papaver_bracteatum_lindl.txt · Zuletzt geändert: 2015/06/13 11:39 (Externe Bearbeitung)

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