Effect of salt concentration and temperature of storage water on the physicochemical properties of fish proteins

Y. J. Choi, T. M. Lin, K. Tomlinson, Jae W. Park

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Biochemical and physical properties of fish proteins from damaged (filleted and skinned) and undamaged (free of trauma or broken skin) Pacific whiting were investigated during chilling in various salt concentrations at 0.7 to -1.1 °C. The increase of pH and moisture content were suppressed when chilling water contained higher concentration of NaCl. Conductivities of damaged fish were maximal after 24 h storage, but those of undamaged fish continuously increased throughout 72 h. K-values increased, but rapidly increased at lower salt concentrations. Puncture force and deformation were very low when chilled water contained higher concentration of salt (2-3 g/100 ml). Gel colors were also negatively affected as the concentration of salt increased for chilling water. Our study suggest Pacific whiting may be stored at 0-2 °C, but at 0-1 g/100 ml salt concentration.

Original languageEnglish
Pages (from-to)460-468
Number of pages9
JournalLWT - Food Science and Technology
Volume41
Issue number3
DOIs
Publication statusPublished - 2008 Apr 1
Externally publishedYes

Fingerprint

Fish Proteins
salt concentration
storage temperature
Fish
physicochemical properties
Chilling
Salts
Proteins
Temperature
Water
Merluccius productus
fish
proteins
water
Fishes
Punctures
skin (animal)
physical properties
Skin
Moisture

ASJC Scopus subject areas

  • Food Science
  • Engineering (miscellaneous)

Cite this

Effect of salt concentration and temperature of storage water on the physicochemical properties of fish proteins. / Choi, Y. J.; Lin, T. M.; Tomlinson, K.; Park, Jae W.

In: LWT - Food Science and Technology, Vol. 41, No. 3, 01.04.2008, p. 460-468.

Research output: Contribution to journalArticle

Choi, Y. J. ; Lin, T. M. ; Tomlinson, K. ; Park, Jae W. / Effect of salt concentration and temperature of storage water on the physicochemical properties of fish proteins. In: LWT - Food Science and Technology. 2008 ; Vol. 41, No. 3. pp. 460-468.
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