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robinia_pseudoacacia_l [2017/03/30 12:38]
andreas 		robinia_pseudoacacia_l [2022/06/07 11:51]
andreas
Zeile 1: Zeile 1:
 Robinia pseudoacacia L. - Fabaceae - black locust, false acacia, **Robinie**, Falsche Akazie, Scheinakazie Robinia pseudoacacia L. - Fabaceae - black locust, false acacia, **Robinie**, Falsche Akazie, Scheinakazie
  
-Invasive tree, native to eastern North America, naturalized throughout the world; 15-25m high; inflorescence a pendent cluster; flowers white, scenting sweet bergamot-like.+Invasive tree, native to eastern North America, naturalized throughout the world; 15-25m high; inflorescence a pendent cluster; flowers white, fragrant (sweet orange flower/bergamot-like).
  
-"Important constituents of the plant are the toxalbumin robin, which loses its toxicity when heated and robinin, a non-toxic glucoside." \\ +"Important constituents of the plant are the toxalbumin robin, which loses its toxicity when heated and robinin, a non-toxic glucoside." [[http://en.wikipedia.org/wiki/Robinia_pseudoacacia]]
-[[http://en.wikipedia.org/wiki/Robinia_pseudoacacia]]+
  
-Major constituents of the vacuum headspace concentrate from the flowers were 2-aminobenzaldehyde (31.5%), methyl anthranilate (14.6%), linalool/phenylethanol (18% together), nerolidol (5.3%), α-farnesene (5.1%), and (E)-ocimene (4.4%). "It should be noted that the mass spectrum of 2-aminobenzaldehyde is very clos to that of formanilide proposed by most of the commercial mass spectra librabries." \\+Major constituents of the vacuum headspace concentrate from the flowers were 2-aminobenzaldehyde (31.5%), methyl anthranilate (14.6%), linalool/phenylethanol (18% together), nerolidol (5.3%), α-farnesene (5.1%), and (E)-ocimene (4.4%). Phenylnitroethane, (Z)-3-hexenyl benzoate and 1-octen-3-ol were minor odorants. \\ 
 +"It should be noted that the mass spectrum of 2-aminobenzaldehyde is very close to that of formanilide proposed by most of the commercial mass spectra librabries." \\
 [Joulain, D. „Study of the fragrance given off by certain springtime flowers.“ Progress in essential oil research (1986): 57-67]  [Joulain, D. „Study of the fragrance given off by certain springtime flowers.“ Progress in essential oil research (1986): 57-67] 
 +
 +| {{:methylanthranilate.jpg| methyl anthranilate}} \\ methyl anthranilate | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde | {{:carene_d3.jpg| δ-3-carene }} \\ δ-3-carene | {{:linalool.jpg| linalool}} \\ linalool | 
  
 "The floral fragrance headspace of living Robinia pseudoacacia was trapped on Tenax tube cartridges using air as the carrier. After solvent elution, the major components identified using GC/MS were [[http://www.thegoodscentscompany.com/data/rw1014471.html|δ-3-carene]] (54.6%), linalool (21%), (Z)-β-farnesene (3.0%) and anthranilate aldehyde (3.9%)." \\ "The floral fragrance headspace of living Robinia pseudoacacia was trapped on Tenax tube cartridges using air as the carrier. After solvent elution, the major components identified using GC/MS were [[http://www.thegoodscentscompany.com/data/rw1014471.html|δ-3-carene]] (54.6%), linalool (21%), (Z)-β-farnesene (3.0%) and anthranilate aldehyde (3.9%)." \\
 [Characterization of black locust floral fragrance. Kamdem, D. P., Gruber, K., Barkman, T., Gage, D. A., Journal of Essential Oil Research, 6(2), 1994, 199-200] [Characterization of black locust floral fragrance. Kamdem, D. P., Gruber, K., Barkman, T., Gage, D. A., Journal of Essential Oil Research, 6(2), 1994, 199-200]
- 
-| {{:carene_d3.jpg| δ-3-carene }} \\ δ-3-carene | {{:linalool.jpg| linalool}} \\ linalool | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde \\ (anthranilate aldehyde) |  
  
 Feeding experiments with 13C- and fluorine-labelled precursors revealed that the biosynthesis of 2-aminobenzaldehyde in flowers of Robinia pseudoacacia and Philadelphus coronarius is realized by transformation of anthranilic acid to indole followed by oxidative ring opening and hydrolysis of the resulting N-formyl-2-aminobenzaldehyde. \\ Feeding experiments with 13C- and fluorine-labelled precursors revealed that the biosynthesis of 2-aminobenzaldehyde in flowers of Robinia pseudoacacia and Philadelphus coronarius is realized by transformation of anthranilic acid to indole followed by oxidative ring opening and hydrolysis of the resulting N-formyl-2-aminobenzaldehyde. \\
Zeile 29: Zeile 29:
 [Characterization of black locust (Robinia pseudoacacia L.) heartwood extractives: identification of resveratrol and piceatannol., Sergent, T., Kohnen, S., Jourez, B., Beauve, C., Schneider, Y.J., Vincke, C., Wood Science and technology, Vol.48(5), 2014, 1005-1017] [Characterization of black locust (Robinia pseudoacacia L.) heartwood extractives: identification of resveratrol and piceatannol., Sergent, T., Kohnen, S., Jourez, B., Beauve, C., Schneider, Y.J., Vincke, C., Wood Science and technology, Vol.48(5), 2014, 1005-1017]
  
-{{:robinie.jpg?500}} \\+{{:robinie.jpg?600}} \\
 Krebs, F.L., Vollständige Beschreibung und Abbildung der Sämmtlichen Holzarten, t.83 (1826) \\ Krebs, F.L., Vollständige Beschreibung und Abbildung der Sämmtlichen Holzarten, t.83 (1826) \\
 [[http://plantgenera.org/species.php?id_species=884099]] [[http://plantgenera.org/species.php?id_species=884099]]
  
-{{:dsc01100k.jpg?800|}} \\+{{:dsc01100k.jpg}} \\
 Robinia acacia flowers, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska Robinia acacia flowers, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska
  
-{{:dsc04111k.jpg?800|}} \\+{{:dsc04111k.jpg}} \\
 Robinia acacia flowering red, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska Robinia acacia flowering red, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska
robinia_pseudoacacia_l.txt · Zuletzt geändert: 2022/06/07 11:51 von andreas

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