Volume 8, Issue 3 (2019)                   JFST 2019, 8(3): 145-154 | Back to browse issues page

‎ 20.1001.1.23225513.1398.8.3.4.4

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Jafarpour S A, Alizadeh S, Yeganeh S, Safari R. A study on effects of Probiotic Coating of Pediococcus acidilactici and Lactobacillus plantarum on quality and Microbial Indices of Rainbow trout (Oncorhynchus mykiss) Fillet. JFST 2019; 8 (3) :145-154
URL: http://jfst.modares.ac.ir/article-6-29652-en.html
A study on effects of Probiotic Coating of Pediococcus acidilactici and Lactobacillus plantarum on quality and Microbial Indices of Rainbow trout (Oncorhynchus mykiss) Fillet
Seyed Ali Jafarpour * 1, Sahar Alizadeh2 , S. Yeganeh3 , Reza Safari4
1- Sari Agricultural Sciences and Natural Resrouces University , a.jafarpour@sanru.ac.ir
2- Sari Agricultural Sciences and Natural Resources University
3- Sari Agricultural Sciences and Natural Resrouces University
4- Caspian Sea Ecology Research Institute
Abstract:   (2106 Views)
In this study, for the first time in Iran, the effect of edible coating of sodium alginate and whey protein in combination with innclulated cultivation of Pediococcus acidilactici and Lactobacillus plantarum bacteria on rainbow trout fillets was studied. Accordingly, chemical indicators such as pH, TVB-N, TBA and microbial laod at 0, 7, 14 and 21 days of refrigeration storage at 4C were investigated. Results showed that in all samples pH, TVB-N and TBA increased over time. In terms of microbial parameters, probiotic coating could reduce the number of TVC in coated fillets on day 21 compared to control treatment. However, the TVC level in all treatments at the end of the storage period was higher than the allowable range for human consumption (P<0.05).  The number of LAB also increased during the storage period and there was a significant difference in coated treatments compared to control (P<0.05).  The highest changes were observed in control treatment and the lowest changes were related the coated treatments. Overall, using higher percentages of sodium alginate containing probiotic bacteria can be recommended for better preservation of the fillet during the refrigerated storage. 
Keywords: Edible coating, Probiotic bacteria, Rainbow trout, Fillet quality
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Article Type: Original Research | Subject: Preservation and shelflife
Received: 2019/01/21 | Published: 2020/05/13
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