Volume 9, Issue 34 (2012)
FSCT 2012, 9(34): 13-23 |
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Effect of antimicrobial coating on shelf-life extension of rainbow trout (Oncorhynchus mykiss). FSCT 2012; 9 (34) :13-23
URL: http://fsct.modares.ac.ir/article-7-6776-en.html
URL: http://fsct.modares.ac.ir/article-7-6776-en.html
Abstract: (4445 Views)
The present study was conducted to evaluate the effect of antimicrobial coating on the shelf-life of trout fillet. Antimicrobial coatings were obtained by incorporating cinnamon oil in coating formulations prepared from chitosan. Coated fish were stored at refrigerated (4±1˚C) and were periodically evaluated for Total viable counts, psychrophilic counts, lactic acid bacteria and Enterobacteriaceae as well as total volatile basic-nitrogen(TVB-N) and pH. Sensory evaluations were performed for Texture, odor, color, overall acceptability. Results showed that cinnamon oil and chitosan coating had synergistic effects (P < 0.05) in reducing the Total viable counts, psychrophilic counts, lactic acid bacteria and Enterobacteriaceae. Chitosan coated enriched with cinnamon significantly (P < 0.05) reduced chemical spoilage as reflected in TVB-N .Texture, odor, color, overall acceptability significantly (P < 0.05) changed only for the control samples.
Received: 2009/05/31 | Accepted: 2009/08/1 | Published: 2012/04/29
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