Evaluation of applying Lactobacillus plantarum and Lactobacillus sakei starters on chemical and microbial properties of "Mahyaveh" fermented fish sauce
2025
Sh. Nademi | N. Mooraki | M. Sedaghati
Mahyaveh, a traditional fermented fish product consumed as condiments in the southern part of Iran. In this study, the effects of the Lactobacillus plantarum and Lactobacillus as starters culture on the chemical and microbial properties of fermented sauce were studied during a 45-days interval. The studied parameters were pH, acidity, crude protein, TVB-N, salt content, biogenic amines (i.e. Histamine and tyramine), halophilic bacteria, LAB, mold and yeast counts. The results showed that pH values and crude protein content were significantly different among the studied groups (p<0.05). The interaction between time and applying starters on significant changes in acidity was observed. The highest amount of TVB-N was measured for the treated group. The amount of histamine and the salt content of the samples decreased over time. There was also a significant difference in the tyramine levels of the samples (p<0.05). The highest count of Halophiles, Bacillus, Mold and Yeast were observed in the control group. The cfu of LAB increased during the time of fermentation process. It can be concluded that the inoculated sauce with L. plantarum and L.starters was more acceptable in terms of chemical and microbial properties compared to the control group.
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