Skip to main Communities My dashboard Log in Sign up Published March 30, 2026 | Version v1 Book chapter Open Hybrid Nanocomposite of Chitosan/Polyvinyl Alcohol and Green Synthesized Al2O3-SiO2 Nanoparticles for Food Packaging Application Authors/Creators Dr. Arun K. Valvi (Researcher) 1 Hemangi J. Gavit (Researcher) 1 Dr. Sagar K. Patil (Researcher) 2 Rohit S. Patil (Researcher) 3 Dr. Nitin S. Sasane (Researcher) 4 Dr. Gurumeet C. Wadhawa (Researcher) 5 Show affiliations 1.
Rayat Shikshan Sanstha's Annasaheb Awate College, Manchar, Pune, Maharashtra, India. 2.
R&D Scientist, METTLER-TOLEDO India Private Limited, Mumbai, India. 3.
Department of Chemistry, Vasantrao Naik Mahavidyalaya, CIDCO, Chhatrapati Sambhajinagar, Maharashtra, India. 4.
Mahatma Phule Arts, Science and Commerce College, Panvel, Maharashtra, India 5.
Rayat Shikshan Sanstha's Veer Wajekar College. Punde, Navi Mumbai, Maharashtra, India. Description In the context of emerging global concerns with synthetic plastic packaging, alternative natural biodegradable packaging materials are gaining increasing attention for food packaging applications. In this study, Chitosan/Polyvinyl Alcohol nanocomposite hybrid films containing green synthesized Al2O3-SiO2 nanoparticles (NPs) were developed and microstructural properties were studied. Antimicrobial activity of the developed films was evaluated using both gram positive bacteria (Staphylococcus aureus) and gram negative (Escherichia coli). Green synthesis protocol was used for the precipitation of Al2O3-SiO2 NPs using extract of leaves of fimbristylis tetragona plant as capping agent. The as-synthesized crystalline Al2O3-SiO2 NPs average crystallite size was in the range of 39 nm. Reinforcement with Al2O3-SiO2 NPs in the hybrid films leads to improved thermal stability, elongation-at-break (EAB), and compactness properties. The developed films with 2% and 4% Al2O3-SiO2 NPs showed a smooth, compact, and heterogeneous surface morphology compared to the control (chitosan-gelatin hybrid) films. Disc discussion assays showed that the nanocomposite film had significant antimicrobial activity against E. coli. The developed hybrid nanocomposite films have the potential to be developed as a biodegradable alternative for post-harvest packaging of fresh fruits and vegetables. Files 5. Dr. Arun K. Valvi.pdf Files (519.6 kB) Name Size Download all 5. Dr. Arun K. Valvi.pdf md5:28d313a09f00495f2ad3304aabc1ad96 519.6 kB Preview Download Additional details References 1. P. Kaewklin, U. Siripatrawan, A. Suwanagul & Y. S. Lee, "Active packaging from chitosan titaniumdioxide nancomposite film for prolonging storage life of tomato fruit". 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Pp. 879. (Repr.ed.3: 393. 1958). 24. J. D. Hooker, (1893): Flora of British India Vol. 6, L. Reeve & Co, London. p. 631. 26 Views 37 Downloads Show more details All versions This version Views Total views 26 26 Downloads Total downloads 37 37 Data volume Total data volume 19.2 MB 19.2 MB More info on how stats are collected.... Versions External resources Indexed in OpenAIRE Communities Details DOI DOI Badge DOI 10.5281/zenodo.19637680 Markdown [](https://doi.org/10.5281/zenodo.19637680) reStructuredText .. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.19637680.svg :target: https://doi.org/10.5281/zenodo.19637680 HTML <a href="https://doi.org/10.5281/zenodo.19637680"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.19637680.svg" alt="DOI"></a> Image URL https://zenodo.org/badge/DOI/10.5281/zenodo.19637680.svg Target URL https://doi.org/10.5281/zenodo.19637680 Resource type Book chapter Publisher Nature Light Publication Imprint Frontiers in Chemical Science, 41 - 52. Pune, India. ISBN: 978-93-49938-06-9. Languages English Rights License Creative Commons Attribution 4.0 International The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited. Read more Citation Export Technical metadata Created April 18, 2026 Modified April 18, 2026 Jump up About About Policies Infrastructure Principles Projects Roadmap Contact Blog Blog Support Help FAQ Developers REST API OAI-PMH Contribute GitHub Donate Funded by Powered by CERN Data Centre & InvenioRDM Status Privacy policy Cookie policy Terms of Use This site uses cookies. Find out more on how we use cookies Accept all cookies Accept only essential cookies