945930.fig.002a
(a)
945930.fig.002b
(b)
945930.fig.002c
(c)
Figure 2: E. coli colony on agar plate for lettuce packed inside (a) uncoated (b) 0.05 g TiO2/100 mL MEK and (c) 0.08 g TiO2/100 mL MEK coated films after three days of UV light illumination.