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Determination of theobromine, theophylline and caffeine in cocoa samples by a high-performance liquid chromatographic method with on-line sample cleanup in a switching-column system
ArticleAbstract: A simple reversed-phase high-performance liquid chromatographic method was developed for the determiPalabras claves:caffeine, COCOA, Column-switching, HPLC, Solid-phase extraction, Theobromine, TheophyllineAutores:Brunetto R., Delgado Y., Gómez A., Gutiérrez L., Maximo Gallignani, Ramos G., Romero C., Zambrano A.Fuentes:googlescopusRP-HPLC-DAD determination of free amino acids in cocoa samples during fermentation and roasting
ArticleAbstract: Amino acids (AA) composition in cocoa beans can pbkp_redict the synthesis of compounds which affectPalabras claves:COCOA, Derivatization, Liquid chromatography, column-switching, Microwave radiationAutores:Ayala C., Clavijo S., Delgado Y., María del Rosario Brunetto, Máximo Gallignani , Orozco W., Zambrano A.Fuentes:googlescopus