Purification of Anthocyanins with o-Dihydroxy Arrangement by Sorption in Cationic Resins Charged with Fe(III)

Table 1

Results of sorption anthocyanins processes in a cationic exchange resin loaded with different ions.

Metal ion		%
Cu(II)	0.52–2.14	7.93–79.81
Ca(II)	0.54–1.74	7.90–57.37
Mg(II)	0.52–1.70	11.12–55.29
Al(III)	0.33–1.76	4.38–56.48
Fe(II)	0.60–1.30	8.96–36.94