Kanjana Manamoongmongkol, Pongsert Sriprom, Lamphung Phumjan, Lasuardi Permana, Pornsawan Assawasaengrat
In this paper aimed to enhance the mechanical properties of an antimicrobial film by incorporating purified cellulose obtained from bamboo shoot shells into a chitosan matrix. Films with varying amounts of cellulose (0%w/v, 0.2%w/v, and 0.4%w/v) were investigated. Results indicated that the chitosan film reinforced 0.4%w/v cellulose exhibited higher tensile strength (43.50 MPa) and elongation at break (39.40 %) compared to the film without cellulose (34.47 MPa, 18.27 %). Additionally, the film with 0.4%w/v cellulose showed antimicrobial activity against B. cereus (MIC 12.5 mg/mL), S. aureus (MIC 6.25 mg/mL), E. coli (MIC 6.25 mg/mL), and exhibited 68.67 % inhibition of Fusarium oxysporum. Due to its biodegradability, favorable mechanical properties, and strong antimicrobial ability, the cellulose-chitosan film presents a promising alternative to be applied in the food industry, such as in packaging of dried food or as a coating film. © 2023 Elsevier Ltd
School of Food Industry, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand; Program of Food Process Engineering, School of Food Industry, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand; Department of Chemical Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand; Department of Food Technology, Institut Teknologi Sumatera, Lampung, 35365, Indonesia
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