841409.fig.001
Figure 1: Absorption spectra of Cin (3.70 mM) in methanol/water mixture (85 : 15, v/v) as a function of β-CD’s concentration at 25°C. [β-CD] (M): (A) 0; (B) 1.50; (C) 3.01; (D) 4.56; (E) 6.21; (F) 7.98; (G) 9.45; (H) 11.00. Stirring time: 6 hours.