Table 5. Initial Isotherm Slope of trans-Resveratrol (left) and Naringenin (right) onto the Studied XAD Resins and the RENSA PX Resin at 20% EtOH and 20% EtOH + 1% HCl.

	trans-resveratrol		naringenin
resin	20% EtOHa (L·g wet–1)	20% EtOH + 1% HCla (L·g wet–1)	20% EtOHa (L·g wet–1)	20% EtOH + 1% HCla (L·g wet–1)
XAD-7HP	0.129 ± 0.006	-	0.53 ± 0.01	-
XAD-16	0.369 ± 0.007	-	0.77 ± 0.02	-
PX	1.5 ± 0.3	0.10 ± 0.02	1.6 ± 0.2	0.23 ± 0.03

^aLiquid phase.