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Braz. arch. biol. technol ; 54(6): 1349-1356, Nov.-Dec. 2011. ilus, graf, tab
Artículo en Inglés | LILACS | ID: lil-608448

RESUMEN

The aim of this work was to evaluate the red cabbage anthocyanins quality after purification by static adsorption assays on clay (Tonsil Terrana 580FF). Thin-layer chromatography analysis and scan spectrometry on UV-Visible showed a good dye stability of the pigment interacting with the clay. The use of pH 3.0 buffer during the batch assays provided a protective effect on the cabbage anthocyanins, limiting the dye acid hydrolyses. Analyses of the reducing sugars contents of the extract showed that clay retained 20 percent average of total free sugars under the test conditions.

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