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:: Volume 25, Issue 4 (1-2017) ::
isfj 2017, 25(4): 109-120 Back to browse issues page
The effects of chitosan coating combined with natamycin on quality of salted kutum (Rutilus frisii kutum) roe during refrigerated storage
Y. Motallebi1 , M. Ojagh * 1, A.A. Motallebi2 , R. Safari3
1- Gorgan University of Agricultural Sciences and Natural Resources
2- Islamic Azad University,Science and Research Branch
3- Caspian Sea Ecology Center
Abstract:   (6093 Views)

The effects of chitosan (Ch) (Medium molecular weight chitosan) coating combined with natamycin (Ch+ N) on quality of salted kutum (Rutilus frisii kutum) roe (treated with 4% NaCl salt) during refrigerated storage (4±1°C) were studied over a period of 90 days. A solution of Ch (1%, w/v) and Ch+ N (1%, w/v Ch +5 and 10 mg natamycin per Kg salted roe) was used for the coating. The control (salted roe) and the coated roe samples were analyzed periodically (0. 30, 60 and 90 days) for chemical (TVB-N, PV, TBA), remaining salt and pH characteristics. The results indicated that the chitosan coating enhanced the storage quality of the kutum salted roe as compared to an uncoated salted roe (control). Chitosan coating combined with natamycin afforded better protection than chitosan coating for chemical parameters (TVB-N, PV, TBA). Remaining salt was determined lower than 2% for all treatment. The conclusion was showed the combination of chitosan coating and natamycin at a 10 mg per Kg of roe were increased shelf life of the kutum roe.

Keywords: Rutilus frisii kutum, Chitosan, Natamycin, Shelf life
Full-Text [PDF 709 kb]   (1737 Downloads)    
Type of Study: Research | Subject: بيوتكنولوژي و فرآوري هاي شيلاتي
Received: 2016/09/5 | Accepted: 2017/01/31 | Published: 2017/01/31
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Motallebi Y, Ojagh M, Motallebi A, Safari R. The effects of chitosan coating combined with natamycin on quality of salted kutum (Rutilus frisii kutum) roe during refrigerated storage. isfj 2017; 25 (4) :109-120
URL: http://isfj.ir/article-1-1634-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 25, Issue 4 (1-2017) 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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