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Sensory quality of meat from eight different types of cattle in relation with their biochemical characteristics

作  者:
Gagaoua, M.;Terlouw, E. M. C.;Micol, D.;Hocquette, J-F;Moloney, A. P.;Nuernberg, K.;Bauchart, D.;Boudjellal, A.;Scollan, N. D.;Richardson, R. I.;Picard, B.
单  位:
FBN Leibniz Inst Farm Anim Biol, W Stahl Allee 2, D-18196 Dummerstorf, Germany;Univ Freres Mentouri Constantine, Equipe Maquev, INATAA, Route Ain El Bey, Constantine 25000, Algeria;Univ Bristol, Div Farm Anim Sci, Langford House, Bristol BS40 5DU, Avon, England;INRA, UMRH 1213, Unite Rech Herbivores, F-63122 St Genes Champanelle, France;TEAGASC, Anim & Grassland Res & Innovat Ctr, Dunsany, Meath, Ireland;Aberystwyth Univ, Inst Biol Environm & Rural Sci, Aberystwyth SY23 3EB, Dyfed, Wales;VetAgro Sup, UMRH 1213, Unite Rech Herbivores, F-63122 St Genes Champanelle, France
关键词:
cattle;muscle characteristics;meat sensory qualities;gender;breed;prediction
摘  要:
The present study compared eight breeds of cattle differing in gender (heifers, bulls and steers) to determine associations between muscle characteristics and meat sensory qualities of the Longissimus thoracis muscle. Animal types differed in all the muscle characteristics and sensory qualities. Many correlations among muscle characteristics and among sensory qualities were consistent for most animal types. Isocitrate dehydrogenase (ICDH) activities allowed discrimination of muscles with respect to myosin heavy chain (MyHC)-I proportions for all animal types. Lactate dehydrogenase (LDH) and phosphofructokinase (PFK) activities were positively correlated for most animal types. Overall liking was correlated with beef flavour and abnormal flavour in all animal types and with global tenderness for all animal types except for Charolais cross breed steers. For all animal types except for AngusxFriesian heifers, beef flavour and abnormal flavour were negatively correlated. Overall liking was not correlated with juiciness. PFK, ICDH and citrate synthase (CS) activities were strongly associated with tenderness, beef flavour and overall liking when average values for all animal types were used. However, associations between muscle characteristics and sensory qualities within animal types were weak and inconsistent.

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