Alginate Coating and Electrolyzed Oxidizing Water: Their Antimicrobial Effects against Inoculated Listeria Monocytogenes on Salmon Fillets

Introduction: This study was conducted to evaluate to investigate the inhibitory effect of alginate coating and EOW on listeria monocytogenes in fish samples during 12 days in cold storage condition (at 4˚c). Methods:   First, fish fillets were inoculated with listeria monocytogenes, and they were divided into different groups.  Then, treated samples including control (no coating), distilled water, alginate, EOW, alginate coating along with EOW were stored at refrigeration temperature. The fillets were kept at 4° C, and the bacterial count was performed on days: 0, 2, 4, 8, and 12.  Results: Both individual and combined use of alginate and electrolyzedoxidizing water can significantly inhibit the growth of listeria monocytogenes inoculated compared to control samples, so that the maximum reduction in EOW & alginate treatment (1.37 log CFU / g) was observed. Conclusion: According to the obtained results, it is recommended to use alginate coating along with electrolysis water in fish to improve safety against listeria monocytogenes.