Figure 2

Means and standard deviations (SD) of the color parameters: (a) L^*; (b) a^*; (c) b^*, (d) ΔE and (e) opacity of the FG, 90FG/10CMC, 80FG/20CMC; 70FG/30CMC; 90FG/10PVOH, 80FG/20PVOH, and 70FG/30PVOH films. Different letters represent significantly different values (p < 0.05).