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Title Compositional and chill storage characteristics of microwaveblanched sutchi catfish (pangasianodon hypophthalmus) fillets
 
Names Binsi, P.K.
Ninan, G.
Zynudheen, A.A.
Neethu, R.
Ronda, V.
Ravishankar, C.N.
Date Issued 2014 (iso8601)
Abstract The effect of microwave blanching on quality characteristics of vacuum and conventional polyethylenepacked
sutchi catfish fillets was evaluated under chilled condition. Emphasis has been given to retain the
sensory characteristics such as colour and textural properties, which is a major problem in sutchi catfish
fillets during extended chill storage. In general, microwave blanching imposed minimum changes on fatty
acid and mineral composition of fish meat. A marginal increase in fat content was recorded after microwave
heating of fish fillets. The microwave-blanched fillets showed minimum cooking loss of 3.2 mL per
100 g meat. A slower increase in spoilage parameters was obtained with microwave-blanched samples
compared with unblanched samples, demonstrating the higher storage stability of the sample under chilled
conditions. Microwave heating of fish fillets coupled with quick-chilling and packing under vacuum
improved the colour and texture stability of sutchi catfish fillets to a considerable extent. Microwave
blanching increased the hardness and chewiness values and decreased the stiffness values of fish fillets.
The biochemical and sensory evaluation of microwave-blanched and vacuum-packed sutchi catfish fillets
showed extended storage life of 21 days, compared with 12 days for unblanched vacuum-packed samples
Genre Article
Topic microwave blanching
Identifier Internationa Journal of Food Science and Technology 2014: 49(2), 364-372