Thermal Gelation Properties of Protein Fractions from Pork and Chicken Breast Muscles

Y. H. LAN, J. NOVAKOFSKI, R. H. McCUSKER, M. S. BREWER, T. R. CARR, F. K. McKEITH

Research output: Contribution to journalArticlepeer-review

Abstract

Thermal gelation properties of myosin, actin, myofibrils (MF), sarcoplasmic protein (SP) and connective tissue (CTS) from pork semimem‐branosus and chicken breast (CB) were evaluated. Gels were prepared at pH 6.0, 2% NaCl and cooked to 70°C at 0.7°C/min. Pork myosin had a higher gel strength and a lower cooking loss than CB myosin at 7% protein. Actin from both species did not form a measurable gel. MF gels from pork and CB had the lowest cooking loss while CTS and SP had the highest cooking loss. Difference in gel strength between muscle and MF+SP+CTS at 7% protein was not consistent with that at 10% protein.

Original languageEnglish (US)
Pages (from-to)742-747
Number of pages6
JournalJournal of food science
Volume60
Issue number4
DOIs
StatePublished - Jul 1995

Keywords

  • actin
  • connective‐tissue
  • myofibrils
  • myosin
  • sarcoplasmic‐protein

ASJC Scopus subject areas

  • Food Science

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