AI Article Synopsis
- The study focuses on developing an edible composite film using curcumin, zein, and shellac to enhance water barrier and antioxidant properties for food applications.
- The inclusion of curcumin improved the film’s mechanical properties and water resistance while forming hydrogen bonds that enhance thermal stability.
- The resulting film shows pH responsiveness and controlled release of curcumin, offering a promising approach to extending the shelf life of fresh food through functional edible packaging.
Article Abstract
The development of functional edible films is promising for the food industry, and improving the water barrier of edible films has been a research challenge in recent years. In this study, curcumin (Cur) was added to zein (Z) and shellac (S) to prepare an edible composite film with a strong water barrier and antioxidant properties. The addition of curcumin significantly reduced the water vapor permeability (WVP), water solubility (WS), and elongation at break (EB), and it clearly improved the tensile strength (TS), water contact angle (WCA), and optical properties of the composite film. The ZS-Cur films were characterized by SEM, FT-IR, XRD, DSC, and TGA; the results indicated that hydrogen bonds were formed among the curcumin, zein, and shellac, which changed the microstructure and improved the thermal stability of the film. A test of curcumin release behavior showed controlled release of curcumin from the film matrix. ZS-Cur films displayed remarkable pH responsiveness, strong antioxidant properties, and inhibitory effects on . Therefore, the insoluble active food packaging prepared in this study provides a new strategy for the development of functional edible films and also provides a possibility for the application of edible films to extend the shelf life of fresh food.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10137614 | PMC |
| http://dx.doi.org/10.3390/foods12081577 | DOI Listing |
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