Journal
HELIYON
Volume 8, Issue 8, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.heliyon.2022.e10096
Keywords
Antibacterial activity; Biodegradable film; Food packaging; Pectin; Passion fruit peel
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Funding
- Nong Lam University Ho Chi Minh City, Vietnam [CS-CB22-KH-02]
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The present study synthesized biodegradable films based on crosslinked passion fruit peel pectin/chitosan (P/CH) films incorporated with a bioactive extract from Piper betle L. leaf. The thickness and water vapor permeability of the blend films were proportional to the increasing concentration of the extract. The resultant films showed a well-organized homogeneous structure with enhanced antibacterial activities. These films have potential applications in food packaging.
The present study aimed to synthesize biodegradable films based on crosslinked passion fruit peel pectin/chitosan (P/CH) films incorporated with a bioactive extract from Piper betle L. leaf, and investigate their morphological, mechanical, water vapor permeability, optical, and antibacterial properties. The thickness and water vapor permeability of P/CH blend films were proportional to the increasing concentration of Piper betle extract (PB). The tensile strength of P/CH/PB films was significantly reduced at 42.89% compared to the P/CH films. The morphological characterization affirmed that resultant blend films showed a well-organized homogeneous structure with no cracks. Moreover, the antibacterial activities against Staphylococcus aureus, Pseudomonas aeru-ginosa, Bacillus cereus, and Klebsiella pneumoniae increased with the increased concentration of PB in the obtained films. Our results demonstrated that P/CH/PB blend films could be potentially used for food packaging applications.
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