In vitro Antimicrobial Effect of Probiotic Films Based on Carboxymethyl Cellulose-Sodium Caseinate Against Common Food-Borne Pathogenic Bacteria

Mozaffarzogh, Mahya and Misaghi, Ali and Shahbazi, Yasser and Kamkar, Abolfazl (2019) In vitro Antimicrobial Effect of Probiotic Films Based on Carboxymethyl Cellulose-Sodium Caseinate Against Common Food-Borne Pathogenic Bacteria. Journal of Nutrition,Fasting and Health, 7 (4 (Spe). pp. 197-202.

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Abstract

Introduction: Consumption of appropriate amount of probiotic microorganisms via food products have health benefits on the host. In recent years, there has been a significant increase in research on the characterization and verification potential use of probiotic films in food industry. The aim of the current study was to investigate in vitro antimicrobial property of probiotic carboxymethyl cellulose-sodium caseinate (CMC-SC) films containing Lactobacillus acidophilus, L. reuteri and Bifidobacterium bifidum against Listeria monocytogenes, Salmonella typhimurium, Staphylococcus aureus and Escherichia coli O157:H7. Methods: Preparation of CMC-SC composite films were conducted based on casting method. The in vitro antibacterial property of CMC-SC films was evaluated using agar disk diffusion and broth micro-dilution methods. Results: Antimicrobial property of probiotic films (diameter inhibition zone and log differences in population, respectively) were as follow: S. aureus (2.13-5.65 mm and -0.79 - -3.82) > L. monocytogenes (1.76-5.32 mm and -0.65 - -3.34) > S. typhimurium (2.13-4.33 mm and -0.34 - -2.79) > E. coli O157:H7 (1.88-3.86 mm and -0.18 - -2.62). The best antimicrobial property against aforementioned bacterial pathogens was found for film supplemented with L. acidophilus + L. reuteri + B. bifidum. Conclusion: It can be concluded that incorporation of some probiotic strains into edible films resulted in excellent antimicrobial property against S. aureus, L. monocytogenes, S. typhimurium and E. coli O157:H7 and probably solve safety related issue in food industry.

Item Type: Article
Uncontrolled Keywords: antimicrobial effect,Carboxymethyl cellulose,Probiotic film,Sodium caseinate
Subjects: QW Microbiology and Immunology
Divisions: Journals > J Fasting And Health
Depositing User: Journal of Nutriton Fasting and Health
Date Deposited: 06 Apr 2020 10:49
Last Modified: 06 Apr 2020 10:49
URI: http://eprints.mums.ac.ir/id/eprint/18109

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