Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 192, Issue -, Pages 1123-1133Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.09.214
Keywords
Active packaging film; Slow release; Porous starch; Corn starch
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A novel active food packaging film was developed using corn starch and tea polyphenol-loaded porous starch, which demonstrated strong TP adsorption capacity and sustained slow release properties. The films showed homogeneous distribution of components, good mechanical properties, UV barrier properties, thermal stability, and excellent antioxidant properties. The slow release of TP from the films was sustained, extending the protection to the food product.
A novel active food packaging film was developed by casting a corn starch/tea polyphenol (TP)-loaded porous starch (PS, obtained by enzymatic hydrolysis) film forming solution, with the latter helping to regulate the slow release of TP. Results showed that PS had a favorable TP adsorption capacity, and the casted films had a homogeneous distribution of the formulation components. Likewise, the active films had good mechanical properties, UV barrier properties, thermal stability, and excellent antioxidant properties. The slow release of TP from the films was sustained, which is a desired characteristic for extending the protection afforded by the active film to the food under consideration.
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