Use of Torrymeter for measurement of freshness of some commercially important Indian marine fishes


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Authors

  • C N Ravi Shankar University of Agricultural Sciences, Bangalore, Karnataka 560 024
  • T M R Setty University of Agricultural Sciences, Bangalore, Karnataka 560 024
  • T S Shetty University of Agricultural Sciences, Bangalore, Karnataka 560 024

Abstract

The freshness of mackerel (Rastrelliger kanagurta), oil sardine {Sardinella longiceps), common
shark (Scoliodon laticadus), croaker (Johnius sp.). lizard fish (Saurida tumbil) and seer fish
(Scomberomorws commerson), iced immediately after catch, was assesed by using Torrymeier as well
as by other biochemical and microbiological tests and compared with sensory scores obtained. The
Torrymeter readings generally showed good correlation with sensory scores for all the species studied
except shark. The decrease of Torrymeter readings was fairly consistant and gradual only in initial
storage period, indicating the usefulness of Torrymeter in measuring the initial loss of freshness of icestored
fish. It was observed that fat content of fish in some way interferes with the reading of the
instrument.

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Author Biographies

  • C N Ravi Shankar, University of Agricultural Sciences, Bangalore, Karnataka 560 024
    University of Agricultural Sciences, Bangalore, Karnataka 560 024
  • T M R Setty, University of Agricultural Sciences, Bangalore, Karnataka 560 024
    University of Agricultural Sciences, Bangalore, Karnataka 560 024
  • T S Shetty, University of Agricultural Sciences, Bangalore, Karnataka 560 024
    University of Agricultural Sciences, Bangalore, Karnataka 560 024

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Issue

Vol. 41 No. 2 (1994)

Section

Articles

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Ravi Shankar, C. N., Setty, T. M. R., & Shetty, T. S. (2011). Use of Torrymeter for measurement of freshness of some commercially important Indian marine fishes. Indian Journal of Fisheries, 41(2), 28-32. https://epubs.icar.org.in/index.php/IJF/article/view/10162