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:: Volume 28, Issue 1 (5-2019) ::
isfj 2019, 28(1): 59-68 Back to browse issues page
Comparison and determining the quality and evaluation of corruption of Frozen Fillets Tilapia Nile fish (Oreochromis niloticus) imported and cultured in Iran
M. Mosaiepour , B. Shabanpour * 1, P. Pourashouri , A. Jamshidi , Y. Etemadian
1- Department of Fish processing, Faculty of Fisheries and Environmental, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
Abstract:   (3389 Views)
One of the problems products produced of imported frozen fillets tilapia fish such as nuggets, bitterness of the products in during storage in freezing conditions. Since in this study, the quality of imported frozen fillets with fillets of tilapia that cultured in Iran, during two months was evaluated and the trend of corruption in the fillets was compared. According to the results of evaluation (proximate composition, thiobarbituric acid (TBARS), free fatty acids (FFA), Hypoxantin (HX), formaldehyde (FA), dimethyl amine (DMA), peptides soluble in trichloroacetic acid (TCA), protein solubility, electrophoresis and fatty acid profile) the DMA and TCA levels of imported fillets were 0.6 miligram DMA-N Per 100 g sample and 0.35 milimol tyrosine per g sample respectively, that were higher as compared to DMA and TCA cultured fillet zero time (0.2 miligram DMA-N Per 100 g sample and 0.18 milimol tyrosine per g sample respectively) and their protein contents was lower than cultured fillets (15.65 % in imported fillet and 18.60 % in cultured fillet). As a result, high levels of peptides and their production during subsequent processes in imported frozen fillets can be a source of bitterness for the products produced from them.
Keywords: Quality evaluation, Corruption Indicators, Frozen fillet, Shelflife
Full-Text [PDF 709 kb]   (973 Downloads)    
Type of Study: Research | Subject: بيوتكنولوژي و فرآوري هاي شيلاتي
Received: 2018/10/18 | Accepted: 2019/06/25 | Published: 2019/06/25
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Mosaiepour M, Shabanpour B, Pourashouri P, Jamshidi A, Etemadian Y. Comparison and determining the quality and evaluation of corruption of Frozen Fillets Tilapia Nile fish (Oreochromis niloticus) imported and cultured in Iran. isfj 2019; 28 (1) :59-68
URL: http://isfj.ir/article-1-2117-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 28, Issue 1 (5-2019) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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