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Annamalai J.,Fish Processing Division Central Institute of Fisheries Technology Cochin 682 029 India | Sasikala R.,Fish Processing Division Central Institute of Fisheries Technology Cochin 682 029 India | Debbarma J.,Fish Processing Division Central Institute of Fisheries Technology Cochin 682 029 India | Chandragiri Nagarajarao R.,Fish Processing Division Central Institute of Fisheries Technology Cochin 682 029 India | And 4 more authors.
Journal of Food Processing and Preservation | Year: 2015

The effect of delayed icing on the quality of Litopenaeus vannamei was assessed by chemical, microbiological and sensory evaluation. Shrimps were divided into three lots. One lot was immediately iced and the other two lots were subjected to delayed icing after keeping in ambient conditions (30±2C) for 2 and 4h, respectively. White shrimp had a moisture content of 77.21%, protein 18.80%, ash 1.47% and fat 1.30% on wet weight basis. Total volatile basic nitrogen, trimethylamine, thiobarbituric acid and K value showed increasing trend during chilled storage. It was observed that there is a significant (P<0.05) decrease in the hardness of shrimp meat during storage. Sensory evaluation indicated that the shelf life of white shrimp iced immediately after catch and 2h delayed iced was approximately 9 days, whereas 4h delayed iced sample had shortened shelf life of 6 days. © 2015 Wiley Periodicals, Inc. Source

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