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Bacterial Cellulose in Food Packaging: A Bibliometric Analysis and Review of Sustainable Innovations and Prospects
Summary
This bibliometric review examines bacterial cellulose — produced by microbes like Gluconacetobacter xylinus — as a sustainable plastic packaging alternative, highlighting its exceptional mechanical strength, gas barrier properties, and potential for antimicrobial active packaging, while noting that scalability and production cost remain key barriers to commercial adoption.
The scientific community has explored new packaging materials due to environmental challenges and pollution from plastic waste. Bacterial cellulose (BC), produced by bacteria like Gluconaceto-bacter xylinus, shows high potential for food preservation due to its exceptional mechanical strength, high crystallinity, and effective barrier properties against gases and moisture, making it a promising alternative to conventional plastics. This review highlights recent advances in BC production, particularly agro-industrial residues, which reduce costs and enhance environmental sustainability. Incorporating antimicrobial agents into BC matrices has also led to active packaging solutions that extend food shelf life and improve safety. A bibliometric analysis reveals a significant increase in research on BC over the last decade, reflecting growing global interest. Key research themes include the development of BC-based composites and the exploration of their antimicrobial properties. Critical areas for future research include improving BC production's scalability and economic via-bility and its integration with other biopolymers. These developments emphasize BC's potential as a sustainable packaging material and its role in the circular economy through waste valorization.