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Tensile strength (TS), elongation (E), water vapor permeabilities (WVP) and solubilities were determined for highly carboxymethylated starch (HCMS)‐based edible films plasticized with sorbitol (S), xylitol (X), mannitol (M) and glycerol (G). TS and E of HCMS‐based film increased as the concentration of plasticizer S, M or × increased. TS of the HCMS‐based film containing combined plasticizers were higher than those of films containing single plasticizer. The WVP of HCMS‐based films seemed to decreased as the concentration of M, X or G plasticizer increased. Increasing plasticizer concentrations in HCMS‐based film resulted in decreasing solubility of the films.
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Kim et al. (2002) studied this question.
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