841409.fig.0011a
(a)
841409.fig.0011b
(b)
841409.fig.0011c
(c)
Figure 11: Change in absorption spectra of cream sample after different times of irradiation in the absence and presence of β-CD. Irradiation time: 0, 1, 2, and 3 hours. (a) Free of β-CD; (b) 5 g β-CD; (c) 10 g β-CD.