Table 3.

Gibbs free energy of transfer (∆Gtr°) of CFA from pure water to aqueous solutions of βCD in presence and absence of auxiliary substance ARG (0.25%, m/v).

Concentration of βCD (mmol/L)	ΔGtr° (J/mol)
	CFA:βCD	CFA:ARG:βCD
0.002	−108.82	−139.67
0.004	−146.97	−212.80
0.006	−221.53	−265.05
0.008	−254.39	−309.59
0.010	−284.66	−342.30

CFA: cefuroxime axetil; βCD: β-cyclodextrin; ARG: l-arginine.