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--- portulaca_oleracea_l [2016/01/23 22:53]
andreas
+++ portulaca_oleracea_l [2017/11/05 14:18] (aktuell)
andreas
@@ Zeile 11: / Zeile 11: @@
 [[http://ndb.nal.usda.gov/ndb/foods/show/3180?qlookup=11427&format=Full&max=25&man=&lfacet=&new=1]]
-"An aqueous extract of the stems and leaves of Portulaca oleracea abolishes the twitch contraction of the directly stimulated rat hemidiaphragm preparation. The effects of the extract mimic qualitatively the action of potassium oxalate — a known constituent of Portulaca oleracea — on the diaphragm. Removal of K+ ions from the methanol extract by passing it through a cation exchange resin reduced the inhibitory effect of the extract. There was a positive correlation between the concentration of K+ ions in the extract and the effects of potassium chloride of similar molarity. It is concluded that the K+ ion content of Portulaca oleracea is at least partly responsible for the relaxant effect observed on the isolated rat diaphragm." \\
+"An aqueous extract of the stems and leaves of Portulaca oleracea abolishes the twitch contraction of the directly stimulated rat hemidiaphragm preparation. The effects of the extract mimic qualitatively the action of potassium oxalate - a known constituent of Portulaca oleracea - on the diaphragm. Removal of K+ ions from the methanol extract by passing it through a cation exchange resin reduced the inhibitory effect of the extract. There was a positive correlation between the concentration of K+ ions in the extract and the effects of potassium chloride of similar molarity. It is concluded that the K+ ion content of Portulaca oleracea is at least partly responsible for the relaxant effect observed on the isolated rat diaphragm." \\
 [The skeletal muscle relaxant action of //Portulaca oleracea//: role of potassium ions., Parry, O., Marks, J. A., Okwuasaba, F. K., Journal of ethnopharmacology, Vol.40(3), 1993, 187-194]
@@ Zeile 26: / Zeile 26: @@
 [Study on chemical constituents of Portulaca oleracea]., Yang, Z. J., Zheng, Y. N., Xiang, L., Zhong yao cai= Zhongyaocai= Journal of Chinese medicinal materials, Vol.30(10), 2007, 1248-1250]
-{{:portulaca_olracea.jpg?500}} \\
+{{:portulaca_olracea.jpg?600}} \\
 Candolle, A.P. de, Redouté, P.J., Plantarum Historia Succulentarum (Plantes grasses), vol.3 t.123 (1799-1837) \\
 [[http://plantgenera.org/species.php?id_species=831709]]
+{{http://www.botanische-spaziergaenge.at/Bilder/Konica_4/PICT3523.JPG}} \\
+Portulaca oleracea \\ © Rolf Marschner (2007),
+[[http://botanische-spaziergaenge.at/viewtopic.php?f=298&t=784| www.botanische-spaziergaenge.at]]

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