Five species of Melampodium have been studied for their flavonoid components. Melampodium aureum, M. divaricatum and M. longipilum exhibited simple arrays of kaempferol and quercetin 3-O-mono-and diglycosides. Melampodium bibracteatum afforded the same simple glycosides plus quercetagetin 3-methyl ether. Melampodium americanum had the most complex pattern with simple flavonol glycosides being accompanied by five O-methylated derivatives of quercetagetin plus 6-hydroxkaempferol 3-methyl ether. Three populations of M. bibracteatum gave identical flavonoid profiles as did 15 collections of M. divaricatum.
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Univ Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, Mexico
Arciniegas, Amira
Perez-Castorena, Ana-L.
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Univ Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, Mexico
Perez-Castorena, Ana-L.
Nieto-Camacho, Antonio
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Univ Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, Mexico
Nieto-Camacho, Antonio
Villasenor, Jose L.
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Univ Nacl Autonoma Mexico, Inst Biol, Ciudad Univ, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, Mexico
Villasenor, Jose L.
de Vivar, Alfonso Romo
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Univ Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Inst Quim, Ciudad Univ, Mexico City 04510, DF, Mexico