Anita Chandra Kusuma, Yu-Chieh Chou, Chen-Che Hsieh, Shella Permatasari Santoso, Alchris Woo Go, Hong-Ting Victor Lin, I.-Lun Hsiao, Shin-Ping Lin
Bacterial cellulose (BC) is a biodegradable nanoscale film produced by microorganisms, which possesses great mechanical properties and biocompatibility. In this study, we produced foaming BC (FBC) utilizing foam medium with different concentrations of agar. In addition, carvacrol was loaded into the agar/FBC to establish active packaging material. Evaluation by characterization tests indicated that agar/FBC provided lower crystallinity (59.8%∼71.4%) and a high swelling ability (94.7%∼97.9%) compared to BC (92.2% and 96.1%). The 1.5% agar/FBC with carvacrol group exhibited the significantly highest antimicrobial properties against Escherichia coli and Staphylococcus aureus. Moreover, release measurements showed that greater agar addition contributed to higher protein and carvacrol release extents out of the film. Finally, a sea bass packaging test indicated that carvacrol with 1.5% agar/FBC presented a higher antimicrobial ability against Shewanella putrefaciens, great inhibition of lipid oxidation (67.5%), and a slower spoilage degree (49.8%) which suggested that agar/FBC with carvacrol has potential for active food packaging. © 2024 Elsevier Ltd
Master Program in Food Safety, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan; Ph.D. Program in Drug Discovery and Development Industry, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan; Institute of Biotechnology, National Taiwan University, 1 Roosevelt Rd., Section 4, Taipei, 10617, Taiwan; Department of Chemical Engineering, Widya Mandala Surabaya Catholic University, Kalijudan 37, Surabaya, 60114, Indonesia; Department of Chemical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei, 10607, Taiwan; Department of Food Science, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan; School of Food Safety, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan; TMU Research Center for Digestive Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan; Research Center of Biomedical Device, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan
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