Resumen
The influence of harvest method on proximate composition, protein oxidation, and texture profile of beef from Nellore cattle were investigated. Longissimus lumborum (LL) muscles were obtained from twelve grain-fed Nellore carcasses. The animals were slaughtered after stunning (STU; n=6) or without stunning (WST; n=6) and after 24 hours postmortem, the LL was sliced into 2.54-cm steaks, packed under aerobic conditions, and stored at 4°C for nine days. Proximate composition was analyzed on day 0, whereas protein oxidation (carbonyl content) and texture profile (hardness, chewiness, cohesiveness, and springiness) were evaluated on days 0, 3, 6, and 9. STU and WST steaks exhibited similar proximate composition, hardness, and chewiness (p > 0.05). WST steaks exhibited greater protein oxidation and lower cohesiveness than their STU counterparts on day 0 (p < 0.05). Concerning the storage period, WST steaks demonstrated a decrease in springiness and a more pronounced increase in cohesiveness than their STU counterparts (p < 0.05). These results indicated that the harvest method influenced LL protein oxidation and texture profile from Bos indicus cattle.
| Idioma original | English |
|---|---|
| Número de artículo | e59110 |
| Publicación | Acta Scientiarum - Animal Sciences |
| Volumen | 45 |
| DOI | |
| Estado | Published - 2023 |
Nota bibliográfica
Publisher Copyright:© 2023, Eduem - Editora da Universidade Estadual de Maringa. All rights reserved.
Financiación
This study was supported by the National Council for Scientific and Technological Development (CNPq), Brazil (grant numbers 400136/2014-7, 311422/2016-0) and the Carlos Chagas Filho Research Foundation (FAPERJ), Brazil (grant numbers E-26/010.001703/2015, E-26/010.001547/2016; E-26/203.049/2017). Ana Paula A. A. Salim was supported by FAPERJ postdoctoral fellowship (E-26/202.416/2019). Surendranath P. Suman was supported by CNPq Special Visiting Researcher fellowship (303477/2014-8) through the Science without Borders program. This work was also supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, Hatch-Multistate Project 1014747.
| Financiadores | Número del financiador |
|---|---|
| Carlos Chagas Filho Research Foundation | |
| U.S. Department of Agriculture | 1014747 |
| US Department of Agriculture National Institute of Food and Agriculture, Agriculture and Food Research Initiative | |
| Conselho Nacional de Desenvolvimento Científico e Tecnológico | 311422/2016-0, 400136/2014-7 |
| Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro | E-26/202.416/2019, E-26/010.001547/2016, E-26/203.049/2017, 303477/2014-8, E-26/010.001703/2015 |
ASJC Scopus subject areas
- Food Science
- Animal Science and Zoology
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