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--- erysimum_cheiri_l._crantz [2015/06/03 20:24] – andreas
+++ erysimum_cheiri_l._crantz [2025/05/01 09:43] (aktuell) – andreas
@@ Zeile 1: / Zeile 1: @@
 Erysimum cheiri (L.) Crantz - syn.Cheiranthus cheiri L. - Brassicaceae - wallflower, **Goldlack**
-Biennial herb or subshrub, native to Europe, widely cultivated elsewhere as ornamental; basal leaves similar to cauline, cauline leaves obovate to oblanceolate, up to 22cm long, entire; flowers orange, yellow, brown, red, purple, violet, or white. \\
+Biennial herb or subshrub, native to Europe, widely cultivated elsewhere as ornamental; basal leaves similar to cauline, cauline leaves obovate to oblanceolate, up to 22cm long, entire; flowers fragrant, orange, yellow, brown, red, purple, violet, or white. \\
 [[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250009726]]
@@ Zeile 10: / Zeile 10: @@
 [[http://www.gaissmayer.de/index/seiten/duftpflanzen/goldlack.htm]]
-The seeds of wallflower contain glucocheiroline, which yields cheirolin (1-isothiocyanato-3-(methylsulfonyl)-propane, also the name of the essential oil of the seeds) on enzymatic cleavage. Cheirolin is obtained from defatted seeds by extraction with dry ethanol. \\
+The seeds of wallflower contain glucocheiroline, which yields cheirolin, 1-isothiocyanato-3-(methylsulfonyl)-propane, on enzymatic cleavage. Cheirolin is also the name of the essential oil of the seeds, obtained from defatted seeds by extraction with dry ethanol. \\
 [Untersuchungen über Senföle; das Cheirolin‐glykosid., Schneider, W., Lohmann, W., Berichte der deutschen chemischen Gesellschaft, Vol.45(3), 1912, 2954-2961]
+Application of the vacuum headspace method to the picked flowers (green parts cannot be totally removed) lead to higher amounts of mustard oil compounds in the concentrate. Compounds like 4-methylthio butyronitrile (1-5%) and 3-methylthio propylisothiocyanate (2-30%) originate from enzymatic processes which are started by destruction of plant tissue. Another main constituent of the vacuum headspace concentrate was anthranilic aldehyde (2-aminobenzaldehyde). \\
+[Volatile constituents of European bird cherry flowers (Padus avium Mill.). Surburg, H., Güntert, M., Schwarze, B.,Journal of Essential Oil Research, Vol.2(6), 1990, 307-316]
+|{{2-aminobenzaldehyde.jpg|2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde |{{anisaldehyde.jpg| anisaldehyde.jpg}} \\ anisaldehyde | {{:indole.jpg| indole}} \\ indole |{{geraniol.jpg| geraniol }} \\ geraniol |{{:methylanthranilate.jpg| methyl anthranilate}} \\ methyl anthranilate |
+The essential oil of the flowers (0.06%) contained e.g. anisaldehyde, nerol, geraniol, linalool, indole, acetic acid, salicylic acid, anthranilic acid, and methyl anthranilate. \\
+[Azimova SS, Glushenkova AI, VinogradovaVI.Lipids, lipophilic components    and essential oils  from plant sources.  London:Springer-Verlag, 2012, 210]
+{{:cheiranthus_cheiri.jpg?600}} \\
+Rousseau,J.J., La botanique de J.J.Rousseau, t.8 (1805) [P.J.Redouté] \\
+[[http://plantgenera.org/species.php?id_species=406140]]
+{{:dsc07704k.jpg}} \\
+Erysimum cheiri, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]] Andreas Kraska (2025)
+{{:dsc05382k.jpg}} \\
+Erysimum cheiri, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]] Andreas Kraska (2017)