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--- rubia_tinctorum_l [2015/07/04 11:53]
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+++ rubia_tinctorum_l [2015/07/04 12:40]
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 [[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=220011762]]
-"Twenty compounds were isolated from the roots of Rubia tinctorum which are used as a commercial source of madder color. Among these compounds, mollugin, 1-hydroxy-2-methylanthraquinone , 2-ethoxymethyl-anthraquinone, rubiadin, 1, 3-dihydroxyanthraqunone, 7-hydroxy-2-methylanthraquinone, lucidin, 1-methoxymethylanthraquinone and lucidin-3-O-primeveroside showed mutagenicity with Salmonella typhimurium TA 100 and/or TA 98." \\
+"The plant's roots contain several polyphenolic compounds, such as 1,3-dihydroxyanthraquinone (purpuroxanthin), 1,4-dihydroxyanthraquinone (quinizarin), 1,2,4-trihydroxyanthraquinone (purpurin) and 1,2-dihydroxyanthraquinone (alizarin). This last compound gives it its red colour to a textile dye known as Rose madder. It was also used as a colourant, especially for paint, that is referred to as Madder lake. The substance was also derived from another species, Rubia cordifolia." [[https://en.wikipedia.org/wiki/Rubia_tinctorum]]
+{{:alizarin.jpg|}}  alizarin
+"Twenty compounds were isolated from the roots of Rubia tinctorum which are used as a commercial source of madder color. Among these compounds, [[http://pubchem.ncbi.nlm.nih.gov/compound/Mollugin|mollugin]], 1-hydroxy-2-methylanthraquinone , 2-ethoxymethyl-anthraquinone, [[https://en.wikipedia.org/wiki/Rubiadin|rubiadin]], 1,3-dihydroxyanthraquinone, 7-hydroxy-2-methylanthraquinone, [[http://www.medchemexpress.com/Lucidin.html|lucidin]], 1-methoxymethylanthraquinone and lucidin-3-O-primeveroside showed mutagenicity with Salmonella typhimurium TA 100 and/or TA 98." \\
 [The mutagenic constituents of Rubia tinctorum., Kawasaki, Y., Goda, Y., Yoshihira, K., Chem Pharm Bull.(Tokyo), 40(6), 1992, 1504-1509]
+The admission of madder root containing drugs was withdrawn in Germany in 1993. \\
+[Pharm. Ztg. 138 (1993), 834]
+"Madder roots contain mainly the primverosides (6-O-β-d-xylanopyranosyl-β-d-glucose) of alizarin (1,2-dihydroxyanthraquinone), lucidin (1,3-dihydroxy-2-hydroxymethylanthraquinone), purpurin (1,2,4-trihydroxy-anthraquinone) and quinizarin (1,4-dihydroxyanthraquinone)." \\
+[Identification and quantification of the constituents of madder root by gas chromatography and high-performance liquid chromatography., Boldizsár, I., Szűcs, Z., Füzfai, Z., Molnár-Perl, I., Journal of Chromatography A, 1133(1), 2006, 259-274] [[http://www.sciencedirect.com/science/article/pii/S0021967306015664]]
 "Renal cell tumors were also increased with 0.04% alizarin, although at lower incidence than with rubiadin. In addition, glutathione S-transferase placental form-positive liver cell foci and large intestinal dysplasias were significantly increased with 0.04% rubiadin. These results indicate that both rubiadin and alizarin can increase renal preneoplastic lesions, the potential of the latter being weaker. Rubiadin may also target the liver and large intestine, suggesting a major role in madder color-induced carcinogenicity. (Cancer Sci 2009; 100: 2261–2267)" \\
 [Carcinogenic potential of alizarin and rubiadin, components of madder color, in a rat medium‐term multi‐organ bioassay., Inoue, K., Yoshida, M., Takahashi, M., Fujimoto, H., Shibutani, M., Hirose, M., Nishikawa, A., Cancer science, 100(12), 2009, 2261-2267] [[http://onlinelibrary.wiley.com/doi/10.1111/j.1349-7006.2009.01342.x/full]]
-Dried roots (Radix Rubiae tinctorum, Radix Alizari)were used to treat diseases of the bladder and kidney, as diuretic and antidiarrhoeic. The roots contain anthraquinone glucosides (2-3.5%) which are also absorbed when ingested, and the splittet off di- and trihyhdroxy anthraquinones are excreted through the kidneys. The urine gets a pink color; the substances contained therein have been considered anti-inflammatory and antispasmodic. \\
+Dried roots (Radix Rubiae tinctorum, Radix Alizari) are formerly used to treat diseases of the bladder and kidney, as diuretic and antidiarrhoeic. The roots contain anthraquinone glucosides (2-3.5%, mainly alizarin-2beta-primveroside, rubian) which are also absorbed when ingested, and the splittet off di- and trihyhdroxy anthraquinones are excreted through the kidneys. The urine gets a pink color; the substances contained therein have been considered anti-inflammatory and antispasmodic. \\
 [Hagers Handbuch der Pharmazeutischen Praxis, Springer 2010]
-{{:rubia_tinctorum.jpg?500}} \\
+{{:rubia_tinctorum.jpg}} \\
 Spach,E., Histoire naturelle des végétaux, Atlas (coloured version), t.56 (1834-1847) [M.elle F.Legendre] \\
 [[http://plantgenera.org/species.php?id_species=889359]]

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