found for starch films
can be explained
by the increase of film
hygroscopicity,
represented
by their higher solubility
coefficients
(b). When the glycerol concentration was increased from 20 to 30 g
of glycerol/100 g of dry raw material, the b values increased by
about 40%. The results reported in Table 2 did not show important
differences between the diffusion coefficients of starch films