Unterschiede

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--- rheum_rhaponticum_l [2015/02/13 10:42] – andreas
+++ rheum_rhaponticum_l [2016/11/26 16:54] (aktuell) – andreas
@@ Zeile 1: / Zeile 1: @@
-Rheum rhaponticum L. - Polygonaceae - rhapontic rhubarb, false rhubarb , **Rhapontik-Rhabarber**, Sibirischer Rhabarber. Bulgarischer Rhabarber
+Rheum rhaponticum L. - Polygonaceae - rhapontic rhubarb, false rhubarb , **Rhapontik-Rhabarber**, Sibirischer Rhabarber, Bulgarischer Rhabarber
 Perennial herb, up to 1.5m high, native to Siberia, Norway, Bulgaria (probably naturalized from cultivation).\\
 [[http://de.wikipedia.org/wiki/Rhapontik-Rhabarber]]
+Analysis (HPLC) of a commercial sample of dried roots (Rhei rhapontici radix, Rhapontikwurzel) gave the stilbenoids rhaponticin (4.66%), desoxyrhaponticin (2.72%), dioxyrhaponticin (2.43%), rhapontigenin (0.67%) and desoxyrhapontigenin (0.22%). \\
+[Über pflanzliche Stilbenderivate, 2. Mitt. 3, 5, 3′ 4′‐Tetrahydroxystilben‐3‐D‐glucosid, ein drittes Stilbenglykosid in Rhei rhapontici Radix., Gracza, L., Archiv der Pharmazie, Vol.317(4), 1984, 374-377] \\
+[Hagers Handbuch der pharmazeutischen Praxis, Springer-Verlag, Berlin, 2010]
 "The roots of R. rhaponticum were very rich in various hydroxystilbenes and contained four main substance groups –derivatives of trans-piceatannol, [[https://en.wikipedia.org/wiki/Resveratrol|trans-resveratrol]], trans-rhapontigenin and trans-deoxyrhapontigenin. Additionally, pterostilbene acetylglucosides and a number of hydroxyanthraquinones and their glycosides were identified in the root samples. The profile of polyphenols in the petioles of R. rhaponticum was similar to that of the roots but the content of individual substances was remarkably lower. The petioles of the R. rhaponticum additionally contained significant amounts of derivatives of flavonol quercetin, which is a good antioxidant." \\
@@ Zeile 21: / Zeile 25: @@
 [[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3800090/]]
-{{http://plantillustrations.org/ILLUSTRATIONS_HD/155258.jpg?500}} \\
+{{:rhapontic.jpg?600}} \\
-Zorn, J., Oskamp, D.L., Vervolg op de Afbeeldingen der artseny-gewassen met derzelver Nederduitsche en Latynsche beschryvingen, vol. 1: t. 47 (1813) \\
+Chaumeton, F.P., Flore médicale, vol.6 t.296 (1832) \\
 [[http://plantillustrations.org/species.php?id_species=874418]]