Edible starch sodium octenyl succinate film formation and its physical properties

Edible starch sodium octenyl succinate (SSOS) films, with or without glycerol as plasticizer, were prepared by solution‐casting method. The effect of SSOS concentration, degree of substitution (DS) of octenyl group, as well as glycerol content, on the properties of SSOS films was studied including t...

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Bibliographic Details
Published in:Journal of applied polymer science 2013-02, Vol.127 (4), p.2922-2927
Main Authors: Liu, Zhaoli, Liu, Xiudong, Cao, Yafeng, Xie, Weiyang, Ma, Xiaojun, Yu, Xingju
Format: Article
Language:English
Subjects:
Applied sciences
edible film
Exact sciences and technology
Materials science
Natural polymers
oil permeability
Physicochemistry of polymers
Polymers
Starch and polysaccharides
starch sodium octenyl succinate
tensile strength
water vapor permeability
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Summary:Edible starch sodium octenyl succinate (SSOS) films, with or without glycerol as plasticizer, were prepared by solution‐casting method. The effect of SSOS concentration, degree of substitution (DS) of octenyl group, as well as glycerol content, on the properties of SSOS films was studied including tensile strength, water vapor permeability (WVP), and oil permeability (OP). The results indicated that the tensile strength of SSOS film was up to 39.4 ± 1.9 MPa when the concentration of SSOS was 0.05 g/mL and DS was 0.05. The increase of glycerol content resulted in a decrease of film tensile strength. WVP of SSOS films was relatively low. Meanwhile, study in OP showed that SSOS films were oilproof. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
ISSN:0021-8995
1097-4628
DOI:10.1002/app.37773