Purification of Anthocyanins with o-Dihydroxy Arrangement by Sorption in Cationic Resins Charged with Fe(III)
Figure 3
Ligand-exchange mechanism proposed for the Cy-3-glucoside sorption in cationic exchange resin loaded with , in the pH range 1–3, where glc = glucoside and R = polymeric resin group (styrene-divinylbenzene)-sulfonate.