Hairul Abral, Angga Bahri Pratama, Dian Handayani, Melbi Mahardika, Ibtisamatul Aminah, Neny Sandrawati, Eni Sugiarti, Ahmad Novi Muslimin, S.M. Sapuan, R.A. Ilyas
As a contribution to the growing demand for environmentally friendly food packaging films, this work produced and characterized a biocomposite of disintegrated bacterial cellulose (BC) nanofibers and tapioca starch/chitosan-based films. Ultrasonication dispersed all fillers throughout the film homogeneously. The highest fraction of dried BC nanofibers (0.136 g) in the film resulted in the maximum tensile strength of 4.7 MPa. 0.136 g BC nanofiber addition to the tapioca starch/chitosan matrix increased the thermal resistance (the temperature of maximum decomposition rate from 307 to 317°C), moisture resistance (after 8 h) by 8.9%, and water vapor barrier (24 h) by 27%. All chitosan-based films displayed antibacterial activity. This characterization suggests that this environmentally friendly edible biocomposite film is a potential candidate for applications in food packaging. Copyright © 2021 Hairul Abral et al.
Department of Mechanical Engineering, Andalas University, Padang Sumatera Barat, 25163, Indonesia; Program Studi Teknik Mesin, Universitas Dharma Andalas, Padang Sumatera Barat, 25000, Indonesia; Laboratory of Sumatran Biota/Faculty of Pharmacy, Andalas University, Padang, Sumatera Barat, 25163, Indonesia; Department of Biosystems Engineering, Institut Teknologi Sumatera, South Lampung, 35365, Indonesia; Laboratory of High-Temperature Coating, Research Center for Physics Indonesian Institute of Sciences (LIPI), Serpong, Indonesia; Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Selangor, 43400, Malaysia; School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Johor Bahru, Johor, 81310, Malaysia
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