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--- philadelphus_coronarius_l [2018/02/17 09:28]
andreas
+++ philadelphus_coronarius_l [2021/06/30 17:15] (aktuell)
andreas
@@ Zeile 14: / Zeile 14: @@
 [The composition of the headspace from fragrant flowers: Further results., Joulain D., Flavour and Fragrance J 1987; 2: 149-155]
-| {{:indole.jpg| indole}} \\ indole | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde |
+| {{: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. \\
+[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]
 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 26: / Zeile 29: @@
 [[http://plantgenera.org/species.php?id_species=777547]]
-{{:dsc01093k.jpg?800|}} \\
+{{:dsc01093k.jpg}} \\
 mock orange flowers, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska

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