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 [High molecular weight acidic polysaccharides from Malva sylvestris and Alcea rosea., Classen, B., Blaschek, W., Planta medica, Vol.64(7), 1998, 640-644]
-The dried flowers of A.rosea (Alceae flos, Flores Malvae arboreae) are used in folk medicine to treat inflammation of the upper respiratory- and the gastrointestinal- and urinary tract. Used as a gargle in cases of inflammation of mouth and troat, as a drink to relieve thirst and fever. \\
+The dried flowers of A.rosea (Alceae flos, Flores Malvae arboreae) are used in folk medicine to treat inflammation of the upper respiratory-, gastrointestinal- and urinary tract. Used as a gargle in cases of inflammation of mouth and troat, and as a drink to relieve thirst and fever. [[http://en.wikipedia.org/wiki/Anthocyanin|Anthocyanin]] content is 0.1-0.2%.\\
 [Hagers Handbuch der Pharmazeutischen Praxis, Springer 2010]
+"Nine anthocyanins from Alcea rosea Nigra flowers were characterized as delphinidin 3-O-glucoside (A1), delphinidin 3-O-rutinoside (A2), cyanidin 3-O-glucoside (A3), cyanidin 3-O-rutinoside (A4), petunidin 3-O-glucoside (A5), petunidin 3-O-rhamnosylglucoside (A6), malvidin 3-O-glucoside (A7), malvidin 3-O-rhamnosylglucoside (A8) and malvidin 3-O-malonylglucoside (A9) (Fig. 2). Relative amount of each anthocyanin which was measured by HPLC were 17.1% (A1), 18.1% (A2), 1.2% (A3), 1.5% (A4), 5.3% (A5), 15.3% (A6), 6.4% (A7), 16.5% (A8) and 5.8% (A9), and that of each anthocyanidin was cyanidin (2.7%), delphinidin (35.2%), petunidin (20.6%) and malvidin (26.7%). All anthocyanins are glycosylated at 3-position by glucose or rhamnosylglucose... Thus, it was presumed that black flower color of this cultivar is due to co-occurrence of
+many anthocyanins, because the absorption maxima of each anthocyanin is slightly different and anthocyanins are highly accumulated in petals, so that its absorption region spread in all visible range and the petals are visualyzed as black color." \\
+[Flavonoid Pigments and Color Expression in the Flowers of Black Hollyhock (Alcea rosea Nigra), Hosaka, H., Mizuno, T., Iwashina, T., Bull. Natl. Mus. Nat. Sci., Ser. B, Vol.38(2), 2012, 69–75] \\
+[[http://www.kahaku.go.jp/research/publication/botany/download/38_2/BNMNS_B3802_069-075.pdf]]
 {{:alcea_rosea.jpg?500}} \\
 Köhler, F.E., Medizinal Pflanzen, vol.1, t.19 (1887) [W. Müller] \\
 [[http://plantgenera.org/species.php?id_species=36588]]