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Provedor de dados:  Scientia Agricola
País:  Brazil
Título:  Quality characteristics of Longissimus dorsi muscle from Bos indicus animals treated with vitamin D3
Autores:  Pedreira,Aparecida Carla de Moura Silveira
Luchiari Filho,Albino
Leite,Vanderley Benedito de Oliveira
Carvalho,Marina Hojaij
Data:  2003-12-01
Ano:  2003
Palavras-chave:  Nelore cattle
Meat tenderness
Carcass characteristics
Resumo:  Among several techniques to improve beef tenderness, vitamin D3, important for calcium mobilization, has recently been developed as an alternative. It acts on the intracellular calcium-dependent proteases (mu- and m-calpain). Ten days prior to slaughter, 36 Nelore steers were fed 0, 3, 6 and 9 million IU of supplemental vitamin D3 (D3) per animal per day (an-1 d-1). Animals were slaughtered and tenderness (shear force), cooking losses (1, 8 and 15 days of aging), sensory evaluation, and minerals in blood plasma and muscle (Longissimus dorsi) were measured. There were no differences (P > 0.05) among treatments for blood plasma and muscle mineral concentration, evaporation losses, and sensory juiciness. For drip and total loss, the smallest losses were for the 6 × 10(6) IU an-1 d-1 treatment. The control treatment resulted in lowest shear force and aging also tended to lower resistance to shearing. The 3 × 10(6) IU an-1 d-1 treatment had a positive effect on tenderness, flavor and overall palatability. High levels of supplemental D3 did not improve the quality characteristicsof Longissimus dorsi muscle from Bos indicus animals.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000400005
Editor:  São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Relação:  10.1590/S0103-90162003000400005
Formato:  text/html
Fonte:  Scientia Agricola v.60 n.4 2003
Direitos:  info:eu-repo/semantics/openAccess
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