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Physico-Chemical and Functional Properties of Proteins from Pelagic Fatty Fish (Sardinella longiceps) as a Function of Water Washing

Karthikeyan, M. and Shamasundar, B. A. and Sijo, Mathew and Ramesh Kumar, P. (2004) Physico-Chemical and Functional Properties of Proteins from Pelagic Fatty Fish (Sardinella longiceps) as a Function of Water Washing. International Journal of Food Properties, 7 (3). pp. 353-365.

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Abstract

<p align="justify">The minced meat from oil sardine (Sardinella longiceps) was subjected to once, thrice, and five water washings. The changes in proximate composition of meat,physico-chemical and functional properties of proteins as affected by number of washings were investigated. A positive correlation (p less than 0.05) existed between number of washings and fat content, water absorption capacity, gel strength,expressible water content and emulsion capacity of meat. A reduction in low molecular weight components of proteins during different washings was evident from gel filtration profile. The sodium dodecyl sulfate polyacrylamide gel electrophoresis patterns of total proteins revealed that increase in myosin heavy chain content and decrease in the concentration of 55 and 36kD components with number of washings. The dynamic visco-elastic behavior of once washed sardine meat in the temperature range of 30–90C had higher ability to form elastic component (G0) than thrice and five times washed meat.</p>

Item Type: Article
Uncontrolled Keywords: Pelagic Fatty Fish physico-chemical properties functional properties
Subjects: 600 Technology > 08 Food technology > 14 Physical properties
600 Technology > 08 Food technology > 16 Nutritive value > 03 Proteins
600 Technology > 08 Food technology > 28 Meat, Fish & Poultry
Divisions: Protein Chemistry and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 21 Nov 2005
Last Modified: 28 Dec 2011 09:25
URI: http://ir.cftri.res.in/id/eprint/224

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