Color attributes and oxidative stability of longissimus lumborum and psoas major muscles from Nellore bulls

Anna C.V.C.S. Canto, Bruno R.C. Costa-Lima, Surendranath P. Suman, Maria Lucia G. Monteiro, Fernanda M. Viana, Ana Paula A.A. Salim, Mahesh N. Nair, Teofilo J.P. Silva, Carlos A. Conte-Junior

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

The influence of muscle source on color stability of fresh beef from purebred Bos indicus cattle was investigated. Longissimus lumborum (LL) and psoas major (PM) muscles obtained from twelve (n = 12) Nellore bull carcasses (24 h post-mortem) were fabricated into 2.54-cm steaks, aerobically packaged, and stored at 4 °C for nine days. Steaks were analyzed on day 0 for proximate composition and myoglobin concentration, whereas pH, instrumental color, metmyoglobin reducing activity (MRA), lipid oxidation, and protein oxidation were evaluated on days 0, 3, 6, and 9. LL steaks exhibited greater (P < 0.05) redness, color stability, and MRA than PM counterparts. On the other hand, PM steaks demonstrated greater (P < 0.05) myoglobin content, lipid oxidation, and protein oxidation than LL steaks. These results indicated the critical influence of muscle source on discoloration of fresh beef from Bos indicus animals and suggested the necessity to engineer muscle-specific strategies to improve color stability and marketability of beef from Bos indicus cattle.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalMeat Science
Volume121
DOIs
StatePublished - Nov 1 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Ltd.

Keywords

  • Beef color stability
  • Bos indicus
  • Longissimus lumborum
  • Muscle-specificity
  • Oxidation
  • Psoas major

ASJC Scopus subject areas

  • Food Science

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