Research Article: Chemical and microbial properties of a fermented fish sauce in the presence of Lactobacillus plantarum and Paenibacillus polymyxa
Publish place: Iranian Journal of Fisheries Sciences، Vol: 20، Issue: 3
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-20-3_006
تاریخ نمایه سازی: 23 بهمن 1400
Abstract:
Mahyaveh is an Iranian fermented fish sauce produced from fish, salt, spices and water during fermentation period. The main problem related to this product is very high histamine content of it. Effects of starter cultures (Lactobacillus plantarum and Paenibacillus polymyxa) on reduction of histamine in mahyaveh, as “Southern Iran Fermented Fish Sauce” were investigated. This study was performed in ۴ experimental groups, including control and treatments on ۳۰th and ۴۵th days of the product. Chemical analysis of treated and control samples revealed that pH, salt percentage, TVB-N content decreased significantly (p<۰.۰۵), and acidity increased significantly (p<۰.۰۵) in treated samples compared to control samples. Also inoculate starter culture (Lactobacillus plantarum and Paenibacillus polymyxa) reduced the amount of histamine content to about ۰.۳۴۷ and ۰.۳۲۶ mg mL-۱ from ۰.۴۷۳ and ۰.۳۶۸ mg mL-۱ in control and treated samples, respectively. Results of microbial evaluation revealed that populations of Halophiles, Enterobacteriaceae and fungi decreased significantly in treated samples compared to those of control samples (p<۰.۰۵), but colony populations of Bacillus and LAB increased significantly in treated samples compared to those of control samples (p<۰.۰۵). In general, addition of starter culture had a positive effect in reducing the amount of histamine and improving other chemical properties and microbial quality of the fermented fish sauce.
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Authors
M. Nazari
North Tehran Branch, Islamic Azad University, Tehran, Iran
N. Mooraki
North Tehran Branch, Islamic Azad University, Tehran, Iran
M. Sedaghati
North Tehran Branch, Islamic Azad University, Tehran, Iran
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