Volume 13, Issue 2 (2024)                   JFST 2024, 13(2): 69-83 | Back to browse issues page

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Hashemi R, rostamzad H, Sattari M. Production of chitosan-based smart dressing against bacterial infection. JFST 2024; 13 (2) :69-83
URL: http://jfst.modares.ac.ir/article-6-71277-en.html
Production of chitosan-based smart dressing against bacterial infection
Razie Hashemi1 , Haniyeh Rostamzad * 2, Masoud Sattari1
1- Fisheries Department, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Guilan, Iran
2- Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Guilan, Iran , haniyeh_rostamzad@yahoo.com
Abstract:   (387 Views)
This study aimed to produce a smart infection warning film based on chitosan and gum arabic containing anthocyanin (0.5, 0.75, and 1 g) as a wound infection warning. Chitosan/gum film was prepared in a ratio of 1:2 with different doses of anthocyanin pigment (0.5, 0.75, and 1 g), and the control sample was considered without anthocyanin. The prepared film was evaluated on Pseudomonas and Mannitol salt agar media. To evaluate the functional properties of the prepared film, the amount of moisture, solubility, thickness, and water absorption of the treatments were measured. The lowest and highest film moisture content were in the control treatment, and the treatment contained 0.75% anthocyanins, respectively. As the percentage of anthocyanin increased, the thickness and solubility of the samples decreased significantly. Regarding the water absorption test, the highest amount was related to the treatment containing 1% anthocyanin, and the lowest amount belonged to the control treatment. To evaluate the effect of chitosan or gum film containing anthocyanin on the culture medium when the bacteria were well grown, chitosan or gum biofilms containing different concentrations of anthocyanin were cut to 1.1 cm and cut into It was placed on the culture medium for 60 minutes, and the color change of the films was checked with a colorimeter. The highest rate of color change of films in culture medium containing Pseudomonas aeruginosa was obtained in the treatment containing 0.5%; however, in the case of Pseudomonas aureus, the highest color change was observed in the treatment containing 1%. Finally, the best film in terms of physical characteristics is the 1% treatment, and in terms of color change in response to the growth of Pseudomonas, it is 0.5%, and for Staphylococcus aureus, it is 1%.
Keywords: Smart wound, Staphylococcus aureus, Pseudomonas aeruginosa, Biopolymer, Arabic Gum, Anthocyanin.
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Article Type: Original Research | Subject: Aquatic Animal Health & disease
Received: 2023/08/27 | Published: 2024/07/1
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