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Separation and identification of organic acids in root exudates of lupinus luteus by capillary zone electrophoresis.

Título : Separation and identification of organic acids in root exudates of lupinus luteus by capillary zone electrophoresis.
Autor : Barbas Arribas, Coral.
Lucas García, José Antonio
Gutiérrez Mañero, Francisco Javier
Materias: Capillary electrophoresisOrganic acidsExudatesLupinus
Resumen : The separation and identification of a mixture of organic acids by capillary electrophoresis, with direct detection by UV absorption at a wavelength of 200 nm is reported. A solution containing the following organic acids was studied: oxalic, formic, fumaric, malic, succinic, citric, acetic and lactic acid. Separation was achieved using a fused-silica capillary filled with phosphate buffer (200 mM; pH 6) containing N-acetylN,N,N-trimethylammonium bromide (0.5 mM) as cationic surfactant, necessary to modify the electrosmotic flow. The composition of organic acids in exudates of Lupinus luteus was determined by this method.
Descripción : En: Phytochemical analysis. ISSN. 0958-0344. n. 10 (1999), p. 55-59
URI : http://hdl.handle.net/10637/657
Derechos: http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
Fecha de publicación : 19-sep-1999
Centro : Universidad San Pablo-CEU
Aparece en las colecciones: Facultad de Farmacia





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