características fisico-químicas e sensoriais da carne de bubalinos murrah abatidos em diferentes períodos de confinamento physical-chemical and sensory characteristics of meat from murrah buffaloes slaughtered at different feedlot periods

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ID: 129357
2008
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Abstract
Objetivou-se avaliar as características físicas, químicas e sensoriais da carne de búfalos abatidos em diferentes períodos de confinamento. Foram utilizados 20 bubalinos da raça Murrah, castrados, descornados, com idade média inicial de 15 meses, abatidos aos 75, 100, 125 ou 150 dias de confinamento. Após o abate, as carcaças foram identificadas e resfriadas por 24 horas. Durante a desossa, foram colhidas amostras do contrafilé entre a 10ª e 11ª costelas para análise das características sensoriais e das perdas por cocção; entre a 11ª e 12ª costelas para avaliação da composição centesimal, do valor calórico, do pH e do índice de fragmentação miofibrilar (IFM); e entre a 12ª e 13ª costelas para a avaliação do escore de marmorização e da força de cisalhamento. A composição centesimal, o pH, a força de cisalhamento, o valor calórico, as perdas por cocção e o IFM não diferiram estatisticamente entre os períodos de confinamento. O grau de marmorização diferiu entre as idades de abate, uma vez os animais abatidos aos 75 dias de confinamento apresentaram escore de 1,25; os abatidos aos 100 e 125 dias, escore 2; e aqueles abatidos aos 150 dias de confinamento, escore 2,2. Em todos os períodos de confinamento, a carne bubalina foi classificada como macia (média 3,94 kgf) e apresentou com características que não diferiram pelo painel sensorial entre os 75 e 150 dias de confinamento. O abate de bubalinos aos 75 e 150 dias de confinamento não influencia as características sensoriais sabor, aroma e cor da carne bubalina.
The objective was to evaluate the physical, chemical and sensory of buffaloes meat slaughtered in different periods of feedlot. Twenty castrated, hornless Murrah buffaloes with initial average age of 15 months old were slaughtered at 75, 100, 125 or 150 days of feedlot. After slaughter, the carcasses were identified and cooled for 24 hours. During the deboning, samples were taken from striploin between the 10th and 11st ribs for sensory characteristics analyses and cooking losses; between 11st and 12nd ribs for centesimal composition, caloric value, pH and myofibril fragmentation index (MFI); and between the 12nd and 13rd ribs for marbling score and shear force analysis. Centesimal composition, pH, shear force, caloric value, cooking losses and MFI did not differ among feedlot periods. Marbling score differed among slaughter ages since animals slaughtered at 75 days of feedlot showed marbling score of 1.25, and that slaughtered at 100 and 125 days, marbling score of 2, and those slaughtered at 150 days of feedlot, score 2.2. In all feedlot periods, buffaloes meat was classified as soft (3.94 kgf), with characteristics that did not differ among sensory panel at 75 and 150 days of feedlot. Buffalo slaughter at 75 and 150 days of feedlot does not influence the sensory characteristics as flavor, aroma and color of Buffalo meat.
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andrighetto2008revistacaractersticas Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cristiana Andrighetto, André Mendes Jorge, Roberto de Oliveira Roça, Érico Rodrigues, Waldmaryan Bianchini, Caroline de Lima Francisco
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Journal european journal of lipid science and technology
Year 2008
DOI
10.1590/S1516-35982008001200015
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982008001200015
Keywords
sensory evaluation river water buffalo

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