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% average of total free sugars under the test conditions.
CITATION STYLE
Lopes, T. J., Yaginuma, S. R., Quadri, M. G. N., & Quadri, M. B. (2011). Evaluation of red cabbage anthocyanins after partial purification on clay. Brazilian Archives of Biology and Technology, 54(6), 1349–1356. https://doi.org/10.1590/S1516-89132011000600022
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