Table 2. Estimated Isotherm Parameters for Naringenin onto the XAD and the RENSA Resins, Using Different Water/Ethanol Solutions^a.

	ethanol %
	0%	10%	20%	35%	0%	10%	20%	35%
	XAD-7HP				XAD-16
Qmax (mg·gwet–1)	11 ± 1	25 ± 5	-	-	19 ± 2	-	-	-
KL (L·mg–1)	0.53 ± 0.07	0.05 ± 0.01	-	-	0.77 ± 0.09	-	-	-
K (L·gwet–1)	-	-	0.53 ± 0.01	0.019 ± 0.003	-	1.63 ± 0.02	0.77 ± 0.02	0.017 ± 0.004
	RENSA PY				RENSA PX
Qmax (mg·gwet–1)	38 ± 2	-	38 ± 2	38 ± 2	31 ± 1	-	31 ± 1	31 ± 1
KL (L·mg–1)	4.1 ± 0.4	-	0.104 ± 0.009	0.0085 ± 0.0009	1.2 ± 0.1	-	0.052 ± 0.005	0.013 ± 0.002

^aWhen the parameter K is indicated, the linear isotherm was used. Otherwise, the Langmuir model was applied.