Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus)
The proximate chemical composition of hump, known in Brazil as cupim, Rhomboideus m. (RB), of Nelore (Bos indicus) aged 24 months revealed it to be a unique beef muscle. It presents a lipid fraction 14-fold as high as that of Longissimus dorsi m. (LD) taken from the same animal (p<0.05), the highest value reported so far. This was unequivocally observed by the histological evaluation. Proportionally more protein fraction and conversely less moisture were also observed in RB. Analysis of collagen and its crosslinking with hydroxylysylpyridinium (HP) showed there to be 22.9% more collagen and 14-fold as much HP in RB as in LD. Contrary to the expectations, the tenderness of fresh samples evaluated by Warner Bratzler shear force measurements led to values of 8.05 and 5.81 kgf for LD and RB, respectively (p<0.05). These results showed that the abundant fat in fresh RB acted as a lubricant for the needle penetration, irrespective of the quantity and quality of collagen fibres present.
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Instituto de Tecnologia do Paraná - Tecpar
2009
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oai:scielo:S1516-891320090003000232009-07-22Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus)Pedrão,Mayka ReghianyLassance,FernandaSouza,Nilson Evelazio deMatsushita,MakotoTelles,PauloShimokomaki,Massami zebu breed collagen hydroxylysylpyridinium meat tenderness marbling fat The proximate chemical composition of hump, known in Brazil as cupim, Rhomboideus m. (RB), of Nelore (Bos indicus) aged 24 months revealed it to be a unique beef muscle. It presents a lipid fraction 14-fold as high as that of Longissimus dorsi m. (LD) taken from the same animal (p<0.05), the highest value reported so far. This was unequivocally observed by the histological evaluation. Proportionally more protein fraction and conversely less moisture were also observed in RB. Analysis of collagen and its crosslinking with hydroxylysylpyridinium (HP) showed there to be 22.9% more collagen and 14-fold as much HP in RB as in LD. Contrary to the expectations, the tenderness of fresh samples evaluated by Warner Bratzler shear force measurements led to values of 8.05 and 5.81 kgf for LD and RB, respectively (p<0.05). These results showed that the abundant fat in fresh RB acted as a lubricant for the needle penetration, irrespective of the quantity and quality of collagen fibres present.info:eu-repo/semantics/openAccessInstituto de Tecnologia do Paraná - TecparBrazilian Archives of Biology and Technology v.52 n.3 20092009-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300023en10.1590/S1516-89132009000300023 |
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Pedrão,Mayka Reghiany Lassance,Fernanda Souza,Nilson Evelazio de Matsushita,Makoto Telles,Paulo Shimokomaki,Massami |
| spellingShingle |
Pedrão,Mayka Reghiany Lassance,Fernanda Souza,Nilson Evelazio de Matsushita,Makoto Telles,Paulo Shimokomaki,Massami Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| author_facet |
Pedrão,Mayka Reghiany Lassance,Fernanda Souza,Nilson Evelazio de Matsushita,Makoto Telles,Paulo Shimokomaki,Massami |
| author_sort |
Pedrão,Mayka Reghiany |
| title |
Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| title_short |
Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| title_full |
Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| title_fullStr |
Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| title_full_unstemmed |
Comparison of proximate chemical composition and texture of cupim, Rhomboideus m. and lombo, Longissimus dorsi m. of Nelore (Bos indicus) |
| title_sort |
comparison of proximate chemical composition and texture of cupim, rhomboideus m. and lombo, longissimus dorsi m. of nelore (bos indicus) |
| description |
The proximate chemical composition of hump, known in Brazil as cupim, Rhomboideus m. (RB), of Nelore (Bos indicus) aged 24 months revealed it to be a unique beef muscle. It presents a lipid fraction 14-fold as high as that of Longissimus dorsi m. (LD) taken from the same animal (p<0.05), the highest value reported so far. This was unequivocally observed by the histological evaluation. Proportionally more protein fraction and conversely less moisture were also observed in RB. Analysis of collagen and its crosslinking with hydroxylysylpyridinium (HP) showed there to be 22.9% more collagen and 14-fold as much HP in RB as in LD. Contrary to the expectations, the tenderness of fresh samples evaluated by Warner Bratzler shear force measurements led to values of 8.05 and 5.81 kgf for LD and RB, respectively (p<0.05). These results showed that the abundant fat in fresh RB acted as a lubricant for the needle penetration, irrespective of the quantity and quality of collagen fibres present. |
| publisher |
Instituto de Tecnologia do Paraná - Tecpar |
| publishDate |
2009 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300023 |
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