Reach Us +44-1477412632
All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Abstract

The effects of different thawing methods on protein quality of frozen fish

In this study, the effects of thawing in running water, microwave and room temperature on protein quality of rainbow trout (Oncorhynchus mykiss) and sardine (Sardina pilchardus) were investigated. The amounts of myofibriller protein, protein solubility and Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) were analyzed to determine the proteinquality of fish. The amount of myofibriller protein significantly decreased in each two fish species as a result of freezing-thawing process (p0.05). Thawing in microwave and room temperature caused a decrease in the amount of myofibriller proteins of rainbow tout and sardine (p0.05) In general, freezing-thawing process caused a significant decrease in protein solubility (p0.05), while the effect of different hawing process on protein solubility changed depending on fsh species. The highest protein solubility in rainbow torut and sardine obtained with thawing in running water. As a result of SDS-PAGE, it was found that the different thawing methods didn’t cause protein denaturation via disulfide covalent bonds. According to these data, it was suggested that the reason of the decrease in protein solubility could be resulted from polymerization of protein via non-disulphide covalent bonds and/or interaction of protein with other compounds such as the lipid-protein interaction.


Author(s): Tokur Bahar

Abstract | Full-Text | PDF

Share this  Facebook  Twitter  LinkedIn  Google+

Abstracted/Indexed in

  • ProQuest
  • Chemical Abstracts Service (CAS)
  • Index Copernicus
  • Google Scholar
  • Academic Journals Database
  • Genamics JournalSeek
  • The Global Impact Factor (GIF)
  • China National Knowledge Infrastructure (CNKI)
  • CiteFactor
  • Electronic Journals Library
  • Centre for Agriculture and Biosciences International (CABI)
  • Directory of Research Journal Indexing (DRJI)
  • WorldCat
  • Proquest Summons
  • Advanced Science Index
  • Publons
  • ResearchGate
  • Secret Search Engine Labs
Flyer image