Development of acid-free chitosan films in food coating applications: Provolone cheese as a case study

Casalini, Roberto; Ghisoni, Filippo; Bonetti, Lorenzo; Fiorati, Andrea; De Nardo, Luigi

doi:10.1016/j.carbpol.2024.121842

Carbohydrate Polymers

2024

DOI: 10.1016/j.carbpol.2024.121842

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Development of acid-free chitosan films in food coating applications: Provolone cheese as a case study

Roberto Casalini,

Filippo Ghisoni,

Lorenzo Bonetti

et al.

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2024

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Cited by 2 publications

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Synthesis of Sulfonated Chitosan as An Active Agent of Antibacterial Packaging for Fish Fillets

Susilo,

Wartari,

Ngadiwiyana

et al. 2024

J. Kim. Sains Apl.

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Modifying chitosan by increasing its hydrophilic properties through sulfonation reactions will increase its solubility in water and antibacterial activity and expand the application of chitosan. This study aims to determine the antibacterial activity of sulfonated chitosan film applied as fish fillet packaging using the total plate count method. Sulfonated chitosan in this study was successfully synthesized by reacting chitosan with 1,3-propane sultone. Sulfonated chitosan products were characterized using FTIR and UV-Vis spectrophotometers, while antibacterial activity was measured using the disc diffusion method. The optimum temperature for sulfonated chitosan synthesis was 60°C (SCS60). The resulting SCS 60 was a yellowish-white solid soluble in water with a yield of 61.46% and a degree of substitution of 33%. The diameters of the SCS 60 inhibition zone against E. coli and S. aureus isolates were 7 and 10 mm, respectively. SCS60-gelatin film is elastic (elongation 272%) and more hydrophobic with a contact angle of 90.12° compared to chitosan-gelatin film (62.8°). SCC60-gelatin film was able to suppress bacterial growth in fish fillets by up to 0.3 × 104 cfu/g compared to unpackaged fish (30 × 104 cfu/g). Sulfonated chitosan has the potential to be an antibacterial food packaging material.

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Synthesis of Sulfonated Chitosan as An Active Agent of Antibacterial Packaging for Fish Fillets

Susilo,

Wartari,

Ngadiwiyana

et al. 2024

J. Kim. Sains Apl.

View full text Add to dashboard Cite

show abstract

Recent Advances in the Preparation, Antibacterial Mechanisms, and Applications of Chitosan

Wu,

Yan,

et al. 2024

JFB

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Chitosan, a cationic polysaccharide derived from the deacetylation of chitin, is widely distributed in nature. Its antibacterial activity, biocompatibility, biodegradability, and non-toxicity have given it extensive uses in medicine, food, and cosmetics. However, the significant impact of variations in the physicochemical properties of chitosan extracted from different sources on its application efficacy, as well as the considerable differences in its antimicrobial mechanisms under varying conditions, limit the full realization of its biological functions. Therefore, this paper provides a comprehensive review of the structural characteristics of chitosan, its preparation methods from different sources, its antimicrobial mechanisms, and the factors influencing its antimicrobial efficacy. Furthermore, we highlight the latest applications of chitosan and its derivatives across various fields. We found that the use of microbial extraction shows promise as a new method for producing high-quality chitosan. By analyzing the different physicochemical properties of chitosan from various sources and the application of chitosan-based materials (such as nanoparticles, films, sponges, and hydrogels) prepared using different methods in biomedicine, food, agriculture, and cosmetics, we expect these findings to provide theoretical support for the broader utilization of chitosan.

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Development of acid-free chitosan films in food coating applications: Provolone cheese as a case study

Cited by 2 publications

References 35 publications

Synthesis of Sulfonated Chitosan as An Active Agent of Antibacterial Packaging for Fish Fillets

Synthesis of Sulfonated Chitosan as An Active Agent of Antibacterial Packaging for Fish Fillets

Recent Advances in the Preparation, Antibacterial Mechanisms, and Applications of Chitosan

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