Square specimens (20 20 mm) of the films prepared with
different composites of starch and pullulan were stored in the
desiccators containing the saturated salt solutions: CH3COOK,
Mg(NO3)2, and KCl for constant RH of 23, 53, and 85%, respectively
(Bertuzzi, Castro Vidaurre, Armada, & Gottifredi, 2007).