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Author: search.filters.author.Kaewbundit, RametSubject: search.filters.subject.Biodegradation

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    Biodegradable antibacterial food packaging based on carboxymethyl cellulose from sugarcane bagasse/cassava starch/chitosan/gingerol extract stabilized silver nanoparticles (Gin-AgNPs) and vanillin as cross-linking agent
    (2025-02-28)
    Plaeyao, Kittiya
    ;
    Talodthaisong, Chanon
    ;
    Yingyuen, Worapol
    ;
    Kaewbundit, Ramet
    ;
    Tun, Wonn Shweyi Thet
    The increasing issue of plastic waste necessitates improved solutions, and biodegradable food packaging is a promising alternative to traditional plastic. In this study, we prepared packaging films using cassava starch (CV), chitosan (CT) and carboxymethyl cellulose (CMC), with glycerol as a plasticizer. However, these films require modifications to enhance their mechanical properties. Therefore, we modified the films by adding vanillin as the crosslinking agent and gingerol extract stabilized silver nanoparticles. The films were fabricated using the film-casting method and characterized by FTIR, XRD, SEM, TGA, mechanical property test, biodegradability test, anti-bacterial test and food packaging evaluation test. Among these films, CT/CV/V/CMC/Gin-AgNPs1 exhibited superior mechanical properties and demonstrated excellent anti-bacterial property both for gram-positive (S. aureus) and gram-negative (E. coli) bacteria and biodegradability, losing over <inf>50%</inf> of its weight after 21 days of burial in soil and effectively preserved grapes at 4 °C for 21 days.
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