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agathosma_crenulata_l._pillans [2015/08/10 10:44]
andreas
agathosma_crenulata_l._pillans [2017/09/16 10:59] (aktuell)
andreas
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 [[http://www.plantzafrica.com/plantab/agathoscren.htm]] [[http://www.plantzafrica.com/plantab/agathoscren.htm]]
  
-"Essential oil content: not less than 1.5% (range: 1.32-2.19-4.0%)...  the essential oil, of which the major constituents are limonene (9.0-18%), menthone/isomenthone (6.49-28.0%), pulegone/isopulegone (51.4-60.0%) and both cis- and trans-8-acetylthio-p-menthane-3-one (7.03%). Neither diosphenol/ψ-diosphenol (“buchu camphor”) nor the 8-mercapto-p-menthane-3-ones,characteristic of A. betulina , have been detected in the oil of this species. " \\+"Essential oil content: not less than 1.5% (range: 1.32-2.19-4.0%)...  the essential oil, of which the major constituents are limonene (9.0-18%), menthone/isomenthone (6.49-28.0%), pulegone/isopulegone (51.4-60.0%) and both cis- and trans- [[http://www.thegoodscentscompany.com/data/rw1399191.html|8-acetylthio-p-menthane-3-one]] (7.03%). Neither diosphenol/ψ-diosphenol (“buchu camphor”) nor the 8-mercapto-p-menthane-3-ones, characteristic of A. betulina, have been detected in the oil of this species. " \\
 [cit. given: http://www.plantzafrica.com/medmonographs/agathosmacrenulata.pdf ] [cit. given: http://www.plantzafrica.com/medmonographs/agathosmacrenulata.pdf ]
  
-| {{:pulegone.jpg| pulegone }} pulegone | {{:isopulegone_cis.jpg| (+)-cis-isopulegone }} (+)-cis-isopulegone |+| {{:pulegone.jpg| pulegone }} \\ pulegone | {{:isopulegone_cis.jpg| (+)-cis-isopulegone }} \\ (+)-cis-isopulegone | {{:8mercapto_pmenthane3one.jpg| 8-mercapto-p-menthane-3-one }} \\ (1S)-8-mercapto- \\ p-menthane-3-one | {{:8acetylthio_pmenthane3one.jpg| 8-acetylthio-p-menthane-3-one }} \\ (1S)-8-acetylthio- \\ p-menthane-3-one |
  
-"The essential oils of Agathosma betulina, A. crenulata and their hybrids were analyzed to determine whether the taxa could be distinguished by their monoterpene chemistry. Pulegone was found to be the key component for identification of the oils. A. betulina is identified by a pulegone content of 2.4% to 4.5%, the hybrids have 7.6% to 27.8% and A. crenulata has 31.6% to 73.2% pulegone. A. betulina and the hybrids have a higher content of 8-mercapto-p-menthan-3-one than 8-acetylthio-p-menthan-3-one while, the reverse is true for A. crenulata. The cis-8-mercapto-p-menthan-3-one content is higher than that of the trans- isomer for A. betulina and die hybrids, but the reverse is true for A. crenulata." \\+"The essential oils of [[agathosma_betulina_berg._pillans|Agathosma betulina]], A. crenulata and their hybrids were analyzed to determine whether the taxa could be distinguished by their monoterpene chemistry. Pulegone was found to be the key component for identification of the oils. A. betulina is identified by a pulegone content of 2.4% to 4.5%, the hybrids have 7.6% to 27.8% and A. crenulata has 31.6% to 73.2% pulegone. A. betulina and the hybrids have a higher content of 8-mercapto-p-menthan-3-one than 8-acetylthio-p-menthan-3-one while, the reverse is true for A. crenulata. The cis-8-mercapto-p-menthan-3-one content is higher than that of the trans- isomer for A. betulina and die hybrids, but the reverse is true for A. crenulata." \\
 [Chemotaxonomy of commercial buchu species (Agathosma betulina and A. crenulata)., Collins, N.F., Graven, E.H., van Beek, T.A., Lelyveld, G.P., Journal of essential oil research, 8(3), 1996, 229-235] [Chemotaxonomy of commercial buchu species (Agathosma betulina and A. crenulata)., Collins, N.F., Graven, E.H., van Beek, T.A., Lelyveld, G.P., Journal of essential oil research, 8(3), 1996, 229-235]
  
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 [Van Wyk, Ben-Erik (2005). Food Plants of the World. Portland Oregon: Timber Press, Inc. ISBN 0-88192-743-0] [Van Wyk, Ben-Erik (2005). Food Plants of the World. Portland Oregon: Timber Press, Inc. ISBN 0-88192-743-0]
  
-{{http://plantgenera.org/ILLUSTRATIONS_HD/10401.jpg?500}} \\+{{agathosma_crenulata.jpg?600}} \\
 Agathosma crenulata (L.) Pillans [as Barosma crenulata (L.) Hook.] \\ Agathosma crenulata (L.) Pillans [as Barosma crenulata (L.) Hook.] \\
 Curtis’s Botanical Magazine, vol. 62 [ser. 2, vol. 9]: t. 3413 (1835) [n.a.] \\ Curtis’s Botanical Magazine, vol. 62 [ser. 2, vol. 9]: t. 3413 (1835) [n.a.] \\
 [[http://plantgenera.org/species.php?id_species=27542]] [[http://plantgenera.org/species.php?id_species=27542]]
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 +
 +{{:agathosma_crenulata_wiki.jpg?800}} \\
 +Agathosma crenulata in Helderberg, South Africa; © JonRichfield\\ 
 +[[https://commons.wikimedia.org/wiki/File:Agathosma_crenulata_9787.jpg|Wikimedia Commons]] [[http://creativecommons.org/licenses/by-sa/3.0/|CC BY-SA 3.0]]
  
agathosma_crenulata_l._pillans.1439196296.txt.gz · Zuletzt geändert: 2015/08/10 10:44 von andreas