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This study investigates how the phase separation induced by the biopolymers gelatin and gum arabic influences the microstructure of alginate beads prepared in CaCl 2 solutions and the subsequent rehydration of the air-dried beads. The extent of associative phase separation in mixture gel beads can be controlled via pH. Compared with control beads, alginate/gelatin mixture beads swelled faster...
In this paper, we study the rehydration properties of air-dried calcium alginate gel beads. Rehydration is shown to depend on alginate source (i.e. mannuronic to guluronic acid ratio) and the salt concentration in the rehydration medium. Rehydration curves are described adequately by the empirical Weibull equation. Wide-angle X-ray diffraction measurements are performed to obtain information on the...
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