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Abstract
Non-degradable plastic places a serious burden on the environment, so consumers and researchers are working to develop biodegradable, safe, and sustainable food packaging materials. The starch-based film has become emerging material for food packaging. Not only does it shows excellent physicochemical properties, but also provides the desired degradation characteristics after use or the digestive properties after consumption, thus needing to comprehensively evaluate the quality of starch-based food packaging materials. This review summarizes the degradation behavior of the starch-based film in different degradation environments, and compares the suitability of degradation environments. Besides, the physicochemical properties of the composite or blend film during the degradation process were further discussed. The factors affecting the digestibility of starch-based edible film were reviewed and analyzed. Finally, the application and the future trend of the biodegradable starch-based film in the food packaging field were proposed. Future studies should combine and evaluate the physical properties and biodegradability of the composite/blend film, to develop food packaging materials with good characteristics and biodegradability.
Authors’ contribution
Conceptualization, Chun-yan Su and Yong Wang; Methodology, Chun-yan Su; Writing – Original Draft, Chun-yan Su; Writing – Review & Editing, Chun-yan Su, Dong Li, and Yong Wang; Funding Acquisition, Dong Li and Li-jun Wang; Supervision, Dong Li and Li-jun Wang.
Disclosure statement
The authors declare that there are no conflicts of interest.