Sustainable Active Food Packaging: Biodegradable Nanofibrous Mats Incorporated Spent Pumpkin Carbon Dots for Enhanced Shelf Life 


Vol. 25,  No. 10, pp. 3711-3726, Oct.  2024
10.1007/s12221-024-00698-y


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  Abstract

Carbon dots (CDs), the subject of the Nobel Prize in chemistry in 2023, are promising materials for active food packaging with properties, such as antioxidant and antimicrobial activity, non-toxicity, and ultraviolet protection. Therefore, composite flms containing CDs have been investigated for food packaging applications in recent years. However, as far as we know, limited studies have been carried out in which carbon dots are added to nanofbrous mats, which show superior properties such as high surface area-to-volume ratio compared to flm structures. In this study, CDs were produced via hydrothermal carbonization from the waste material, the spent pumpkin. Aimed to develop and evaluate composite nanofbrous mats incor porating carbon dots (CDs) for active food packaging, specifcally utilizing spent pumpkin-derived carbon dots (SPCDs) to enhance the functional properties of the packaging materials. The composite nanofbrous mats, fabricated from a blend of polyvinyl alcohol and carboxymethyl cellulose incorporating SPCDs, demonstrated low toxicity on chondrocyte and lung cell types, indicating their safety for food packaging applications. The inclusion of SPCDs enhanced the antioxidant activ ity provided inhibitory efects against E. coli and S. aureus, and improved the mechanical strength of the mats. Real food trials with walnut oils revealed that the mats efectively reduced lipid oxidation, thereby extending the product's shelf life. Additionally, the mats were fully biodegradable, decomposing completely in soil within 42 days. These results suggest that the novel composite nanofbrous mats have great potential for sustainable and active food packaging, ofering a practical and comprehensive solution for the industry.

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  Cite this article

[IEEE Style]

Y. Akgul, O. Tiryaki, C. Dogan, Y. Akgul, "Sustainable Active Food Packaging: Biodegradable Nanofibrous Mats Incorporated Spent Pumpkin Carbon Dots for Enhanced Shelf Life," Fibers and Polymers, vol. 25, no. 10, pp. 3711-3726, 2024. DOI: 10.1007/s12221-024-00698-y.

[ACM Style]

Yasin Akgul, Ozge Tiryaki, Cemhan Dogan, and Yasin Akgul. 2024. Sustainable Active Food Packaging: Biodegradable Nanofibrous Mats Incorporated Spent Pumpkin Carbon Dots for Enhanced Shelf Life. Fibers and Polymers, 25, 10, (2024), 3711-3726. DOI: 10.1007/s12221-024-00698-y.

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pISSN : 1229 - 9197
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