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Mechanical Properties, Water Vapor Permeabilities and Solubilities of Highly Carboxymethylated Starch‐Based Edible Films
Author(s) -
Kim K.W.,
Ko C.J.,
Park H.J.
Publication year - 2002
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.2002.tb11387.x
Subject(s) - plasticizer , sorbitol , ultimate tensile strength , solubility , glycerol , xylitol , chemical engineering , starch , elongation , materials science , chemistry , composite material , organic chemistry , fermentation , engineering
ABSTRACT: 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.