In collaboration with Payame Noor University and Iranian Society of Physiology and Pharmacology

Document Type : Article

Authors

1 Assistant Professor, Faculty of Environment Sciences, Payame Noor University, Tehran, Iran

2 Ph.D. in Electromagnetism, Vice President of Research, Afra Sanat Kimia Research Engineering Company, Mashhad, Iran

3 M.Sc. Student of Environment, Faculty of Environment Sciences, Payame Noor University, Tehran, Iran

4 B.A in Chemistry, Technical Expert of Research, Afra Sanat Kimia Research Engineering Company, Mashhad, Iran

Abstract

  Abstract
Fish meat has high nutritional value and putrescence. For this reason, it is very important increase the shelf life and fish meat quality. In this study tried to go up the shelf life and quality fish meat by ozon ice. The number of Rainbow trout with weight 300±10 purchased and transferred to the Mashhad laboratory (Iran) immediately. The fish was divided into four groups, control (A), dose of 3g (B) 4g (C) and 5g of ozone per 50 kg ice with the brine 5% (D). Daily to the fourteenth day of corruption were used on the WHO chart. Moreover sampling of skin, meat and gill tissue was done every day to the 12th day for check bacterial by (PCA) cultured. The amount of histamine (ELISA method), peroxide (PV) (Egan method) and TVN (Kldal distiller method), was obtained respectively. The results showed that A sample (control) had corrupted the most number of bacteria in depth and surface have existence ten days significantly (P <0.05). Amounts of peroxide and TVN in B sample lower than to the other fish samples and had no significant increased (P 0.05). Histamine changes was not significant in all samples (P<0.05) and all of the fishes ozone treated have better maintenace and quality. Thus it can be infered that ozone is an effective mater to increase the durability of fish.


Keywords

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