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--- pseudocydonia_sinensis_thouin_c.k.schneid [2019/04/25 15:50] – angelegt andreas
+++ pseudocydonia_sinensis_thouin_c.k.schneid [2025/10/22 11:06] (aktuell) – andreas
@@ Zeile 7: / Zeile 7: @@
 The flavor concentrate from the peel (0.0016%) was thought to be more important to Chinese quince aroma than from the flesh (0.0006%). Esters, alcohols, aldehydes and ketones are the most important volatile components. The large concentration of alkyl and alkenyl esters of omega-alkenoic acids (like ethyl 9-decenoate e.g.) and 5-hexenyl esters (ethyl 5-hexenoate e.g.) of aliphatic acids was remarkable. Aldehydes included C6 and C7 compounds and (E,E)-2,4-decadienal (0.05%) e.g. \\
-(E,E)-α-farnesene (31.2%), isobutyl octanoate (11.1%), ethyl octanoate (4.8%), isobutyl 7-octenoate (4.4%), hexyl hexanoate (3.5%), and butyl 7-octentoate (3.0%) were the major components of Chinese quince oil obtained from the peel. Interesting minor components were β-dihydroionol (0.03%), α-ionone (0.02%), β-ionone (0.1%), the marmelo lactones (0.3%), trans-theaspirane (0.2%), and cis-theaspirane (0.05%).\\
+(E,E)-α-farnesene (31.2%), isobutyl octanoate (11.1%), ethyl octanoate (4.8%), isobutyl 7-octenoate (4.4%), hexyl hexanoate (3.5%), and butyl 7-octenoate (3.0%) were the major components of Chinese quince oil obtained from the peel. Interesting minor components were β-dihydroionol (0.03%), α-ionone (0.02%), β-ionone (0.1%), the marmelo lactones (0.3%), trans-theaspirane (0.2%), and cis-theaspirane (0.05%).\\
 [Mihara, Satoru, et al. "Volatile components of Chinese quince (Pseudocydonia sinensis Schneid)." Journal of agricultural and food chemistry 35.4 (1987): 532-537], also in: \\
 [„Flavors and Fragrances. A World Perspective,“ ed. by B. M. Lawrence, B. D. Mookherjee, and B. J. Wilis, Elsevier, Amsterdam, 1988, 537-550]
@@ Zeile 15: / Zeile 15: @@
 {{:cydonia_sinensis.jpg?600}} \\
-as Cydonia sinensis Thouin; H.L. Duhamel du Monceau, Traité des arbres et arbustes, Nouvelle édition [Nouveau Duhamel], vol.6 t.75 (1815) [P.Bessa] \\
+Pseudocydonia sinensis (Thouin) C.K.Schneid. as Cydonia sinensis Thouin \\
+H.L. Duhamel du Monceau, Traité des arbres et arbustes, Nouvelle édition [Nouveau Duhamel], vol.6 t.75 (1815) [P.Bessa] \\
 [[http://botanicalillustrations.org/species.php?id_species=228339]]
+{{:pseudocydonia_sin.jpg?600|}}\\
+Pseudocydonia sinensis, Setonaikai National Park, Japan (2025) \\
+© geotropics [[https://creativecommons.org/licenses/by-sa/4.0/|CC BY-SA 4.0]] [[https://www.inaturalist.org/observations?taxon_id=1262153|inaturalist.org]]