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--- philadelphus_coronarius_l [2021/06/30 15:15] – andreas
+++ philadelphus_coronarius_l [2026/06/16 14:03] (aktuell) – andreas
@@ Zeile 4: / Zeile 4: @@
 Deciduous shrub, up to 4m tall, native from Central and Southeast Europe to Western Asia, cultivated and naturalized elsewhere; leaves opposite, oval, dentate; racemes of white to yellowish white flowers, 2.5-3.5cm in diam., strongly aromatic.
-"It is a popular ornamental plant for gardens in temperate regions, valued for its profuse sweetly scented white blossom in early summer." [[http://en.wikipedia.org/wiki/Philadelphus_coronarius]]
+"It is a popular ornamental plant for gardens in temperate regions, valued for its profuse sweetly scented white blossom in early summer." [[http://en.wikipedia.org/wiki/Philadelphus_coronarius|wikipedia(EN)]]
-The pre-female //'nectar producing disk flowers'// are pleasantly fragrant, especially in the evening and then particularly intense. [[http://de.wikipedia.org/wiki/Philadelphus_coronarius]]
+The pre-female //'nectar producing disk flowers'// are pleasantly fragrant, especially in the evening and then particularly intense. [[http://de.wikipedia.org/wiki/Philadelphus_coronarius|wikipedia(DE)]]
 Major constituents of the vacuum headspace concentrate of the flower volatiles were acetophenone (20%), linalool oxides (11.5%), and indole (10%). Among the minor constituents were 2-aminobenzaldehyde (2%), benzothiazole (1%), jasmone (trace), and (Z)-hexenyl benzoate (trace). \\
 [Joulain, D. „Study of the fragrance given off by certain springtime flowers.“ Progress in essential oil research (1986): 57-67]
+| {{:acetophenone.jpg| acetophenone}} \\ acetophenone | {{:indole.jpg| indole}} \\ indole \\ //(sweet floral)// | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde \\ //(sweet orange flower)// | {{:myrtenal.png| myrtenal}} \\ myrtenal \\ //(sweet spicy)// | {{:14dihydro2me31benzoxazine.png|1,4-Dihydro-2-methyl-2H-3,1-benzoxazine}} \\ 1,4-dihydro-2-methyl-2H-3,1-benzoxazine \\ //(quinoline-like)// |
 Trans-myrtanal (46%), cis-myrtanal (2.2%), myrtenal, myrtenol, indole, nopinone (5.3%), 2-aminobenzaldehyde (11%), 2-formamidobenzaldehyde and veratraldehyde have been determined in the headspace of living flowers by GC-MS analysis. Flowers from another single plant showed an entirely different composition with hugh amounts of acetophenone (20%) and indole (10%). \\
 [The composition of the headspace from fragrant flowers: Further results., Joulain D., Flavour and Fragrance J 1987; 2: 149-155]
-| {{:myrtenal.png| myrtenal}} \\ myrtenal \\ //(sweet spicy)// | {{:indole.jpg| indole}} \\ indole \\ //(sweet floral)// | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde \\ //(sweet orange flower)// | {{:14dihydro2me31benzoxazine.png|1,4-Dihydro-2-methyl-2H-3,1-benzoxazine}} \\ 1,4-dihydro-2-methyl-2H-3,1-benzoxazine \\ //(quinoline-like)// |
 ,4-Dihydro-2-methyl-2H-3,1-benzoxazine (odor: quinoline-like) as the cyclic product of anthranilic alcohol and acetaldehyde is found in the vacuum headspace concentrate of a P.coronarius flowers variety in amounts of 0.2-1%. In pure form it cleaves acetaldehyde in perceptible amounts. \\
@@ Zeile 26: / Zeile 26: @@
 {{:philadelphus_cor_curtis.jpg?600}} \\
-Botanical Magazine, Vol.11, t.391 (1797) \\
+Botanical Magazine, Vol.11, t.391 (1797) [[http://plantgenera.org/species.php?id_species=777547|plantgenera.org]]
-[[http://plantgenera.org/species.php?id_species=777547]]
 {{:dsc01093k.jpg}} \\
-mock orange flowers, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska
+mock orange flowers © Andreas Kraska [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]]