Tinkturenpresse

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Mertensia maritima (L.) Gray - syn. Pulmonaria maritima L. - Boraginaceae \\
northern shorewort, oysterplant, sea bugloss, sea lungwort, **Austernpflanze**, Mertensie, Küsten-Blauglöckchen

Perennial herb, up to 50cm tall, native to the shores of the northern hemisphere, also cultivated; leaves ovate, blue-green; flowers in leaf axils, pink changing later to blue.

|{{:z15octadiene3one.jpg|(Z)-1,5-octadien-3-one}} \\ (Z)-1,5-octadien-3-one \\ //(green marine oysterleaf)//|{{:z3nonenal.jpg|(Z)-3-nonenal}} \\ (Z)-3-nonenal \\ //(fishy oyster watermelon)//|{{:zz36nonadienal.jpg|(Z,Z)-3,6-nonadienal}} \\ (Z,Z)-3,6-nonadienal \\ //(fresh-cut watermelon)//| 

"Oyster leaf (Mertensia maritima) has a weak odor, but when scratched, it has first a green, slightly mushroom odor, followed by some surprising marine, oyster-like notes. When eaten, the retronasal aroma is extremely reminiscent of oyster. This explains why oyster leaf is also called vegetarian oyster... The use of GC−olfactometry on both polar and nonpolar columns allowed the detection of the molecules having an oyster-like, marine odor. Four compounds were identified and confirmed by synthesis: (Z)-3-nonenal, (Z)-1,5-octadien-3-ol, (Z,Z)-3,6-nonadienal, and (Z)-1,5-octadien-3-one. After evaluation of freshly prepared reference samples, these compounds were confirmed to be reminiscent of the oyster-like marine notes perceived in the tasting of cut leaves." \\
[Volatile Composition of Oyster Leaf (Mertensia maritima (L.) Gray)., Delort, E., Jaquier, A., Chapuis, C., Rubin, M., Starkenmann, C., Journal of agricultural and food chemistry, 60(47), 2012, 11681-11690] 

{{mertensia_maritima.jpg?600}} \\
Lindman, C.A.M., Bilder ur Nordens Flora, vol.3 t.580 (1922-1926) \\
[[http://plantgenera.org/species.php?id_species=661387]]

{{https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Mertensia_maritima_subsp._asiatica_4.JPG/1024px-Mertensia_maritima_subsp._asiatica_4.JPG}} \\
Mertensia maritima subsp. asiatica, Shimokita Peninsula, Aomori pref., Japan, (2019) \\
Author Qwert1234 [[https://commons.wikimedia.org/wiki/File:Mertensia_maritima_subsp._asiatica_4.JPG|Wikimedia Commons]]
[[https://creativecommons.org/licenses/by-sa/4.0/|CC BY-SA 4.0]]