| Registro completo |
| Provedor de dados: |
PAB
|
| País: |
Brazil
|
| Título: |
Heat shock proteins on beef quality
|
| Autores: |
Moncau,Cristina Tschorny
Rosa,Alessandra Fernandes
Eler,Joanir Pereira
Balieiro,Júlio César de Carvalho
|
| Data: |
2018-01-01
|
| Ano: |
2018
|
| Palavras-chave: |
Bos taurus indicus
Biomarker
HSP27
HSP70
Meat tenderness
|
| Resumo: |
Abstract: The objective of this work was to quantify heat shock proteins (HSP) 27 and 70 in the Longissimus dorsi muscle of cattle during aging and to check their potential as biomarkers for meat quality. A total of 191 steers ½ South African Simmental x ½ Nellore (16-18 months, 391.7±99.7 kg), castrated, and feedlot finished were used. Meat quality was measured by pH, color, cooking loss, and shear force (SF) at 1 and 14 days of aging time. HSP27 and HSP70 were quantified according to the SF values in the more and less tender meat groups, with 20 samples each, for each aging time. HSP27 concentrations in more and less tender meat decrease from 1 to 14 days of aging, and do not differ when evaluated at the same period. HSP70 concentrations in more tender meat increase during aging, and, in less tender meat, there is no difference between periods or at the same period. The correlations between the HSP27 and HSP70 concentrations and meat quality characteristics are low for South African Simmental x Nellore, which indicate the low potential of HSP as biomarkers for these traits, especially for meat tenderness.
|
| Tipo: |
Info:eu-repo/semantics/article
|
| Idioma: |
Inglês
|
| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000100090
|
| Editor: |
Embrapa Secretaria de Pesquisa e Desenvolvimento
Pesquisa Agropecuária Brasileira
|
| Relação: |
10.1590/s0100-204x2018000100010
|
| Formato: |
text/html
|
| Fonte: |
Pesquisa Agropecuária Brasileira v.53 n.1 2018
|
| Direitos: |
info:eu-repo/semantics/openAccess
|
|
