Purification of Anthocyanins with o-Dihydroxy Arrangement by Sorption in Cationic Resins Charged with Fe(III)
Figure 5
Chromatograms obtained from each one of the fractions of the adsorption process. (A) Extract at pH 5 with acetate buffer. (B) Nonretained fraction. (C) Eluted fraction with NaOH 0.1 mol L−1. (D) Eluted fraction with HCl 0.1 mol L−1.
