Figure 4.

Film thickness estimated from the profile widths in Figure 3 as a function of drying time. Linear fits Table 1. (a) Sample c containing 1% starch in H₂O (w/v) and (b) Sample d containing 5% starch in H₂O (w/v). Each sample contained glycerol (20 g/100 g of starch) as a plasticizer.