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Biochemical and Utralmicroscopic Evaluation of Myofibril Proteins and Collagen during Ageing in Broiler Chicken PSE (Pale, Sof, Exudative) Meat BABT
Marchi,Denis Fabrício; Beteto,Flávia Maria; Almeida,Gleice Rocha dos Santos; Soares,Adriana Lourenço; Hernandez-Blazquez,Francisco Javier; Ida,Elza Iouko; Shimokomaki,Massami.
Abstract The aim of this work was to study the myofibril proteins and collagen fraction changes in broiler chickens PSE (pale, soft, exudative) meat during ageing and their relationship to meat quality. The results presented an increase of myofibril proteins and collagen solubility promoted by the enhanced proteases activities during storage. Ultramicroscopically, the PSE meat samples revealed intracellularly a sarcomere super contraction and lacunas within the A and I bands while Z-lines appeared very dense and fragmented in comparison to normal samples. This observation was noticed already at 4h storage while extracellularly collagen fibrils decreased visually within the endomysium only after 24h of conditioning. These results influenced the quality as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cooking loss; Tenderness; Collagen content; Myofibrillar Fragmentation Index.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100503
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Broiler chicken PSE (Pale, Soft, Exudative) meat and water release during chicken carcass thawing and brazilian legislation BABT
Kato,Talita; Barbosa,Claudia Freitas; Ida,Elza Iouko; Soares,Adriana Lourenço; Shimokomaki,Massami; Pedrao,Mayka Reghiany.
The objective of this work was to investigate the relationship between poultry PSE meat and water loss of frozen chicken carcass in two experiments. The first experiment was carried out in commercial abattoir. Poultry carcass were classified as PSE meat (n=59) (pH <5.8) and control samples (n=55) (pH &gt;5.8). Water absorption and drip test were performed according to the Brazilian legislation methodologies. The second experiment was carried out with commercial whole five brands frozen carcasses purchased from the local supermarkets (n=30) and analyzed for pH, water holding capacity (WHC) and drip test. PSE poultry meats absorbed 3.59% of water during the processing similar to the control samples; however, released 0.38% more water during thawing of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Drip loss; Water absorption; Water holding capacity.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000600015
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Broiler transportation conditions in a Brazilian commercial line and the occurrence of breast PSE (Pale, Soft, Exudative) meat and DFD-like (Dark, Firm, Dry) meat BABT
Langer,Roselane Oliveira de Souza; Simões,Gislaine Silveira; Soares,Adriana Lourenço; Oba,Alexandre; Rossa,Alessandro; Shimokomaki,Massami; Ida,Elza Iouko.
The objective of this work was to investigate the effect of road transportation conditions on the occurrence of broiler PSE-(Pale, Soft, Exudative) and DFD-like (Dark, Firm, Dry) meats in the Brazilian commercial slaughterhouse plant. Samples of Pectoralis major m from 47-day-old broilers of commercial lineage were analyzed. The results indicated that water-bathing birds just before journey over 3.0km promoted the occurrence of 46.0% of PSE and 4.0% of DFD-like meat, while birds under non-water bathing conditions presented 14.7 and 2.0%, respectively. For a distance of 68.0km, the occurrences of PSE-and DFD-like meat were 44.0 and 0.0% under water bathing conditions, and 52.0 and 0.0% without water bathing, respectively. Water bathing at the farm was a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Truck microclimate; Meat quality; Broiler chicken stress.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000500021
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Carnes PSE (Pale, Soft, Exudative) e DFD (Dark, Firm, Dry) em lombo suíno numa linha de abate industrial Ciênc. Tecnol. Aliment.
Maganhini,Magali Bernardes; Mariano,Bruno; Soares,Adriana Lourenço; Guarnieri,Paulo D.; Shimokomaki,Massami; Ida,Elza Iouko.
A necessidade para uma maior produção de carne magra em suínos tem acarretado modificações nas características bioquímicas do músculo conduzindo ao desenvolvimento das anomalias nas suas cores, as denominadas carnes PSE e DFD. Estas carnes por apresentarem alterações de suas propriedades funcionais, resultam em grandes perdas econômicas. Nesse experimento, foram utilizadas 946 amostras de Longissimus dorsi m., lombos de suínos da linhagem Dalland, machos castrados e fêmeas, com 100 dias de idade, em um Frigorífico localizado na Região Sul do País. Os lombos foram classificados com base no valor de L*24 h e pH24 h. Foi constatada uma incidência de 22,8% de carnes PSE, 1,0% de DFD e 76,2% de normal. Esses valores relativamente altos de carnes PSE mostram a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cor; PH; Longissimus dorsi m.; Manejo pré e pós-abate.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612007000500012
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Commercial preslaughter blue light ambience for controlling broiler stress and meat qualities BABT
Barbosa,Claudia Freitas; Carvalho,Rafael Humberto de; Rossa,Alessandro; Soares,Adriana Lourenço; Coró,Fábio Augusto Garcia; Shimokomaki,Massami; Ida,Elza Iouko.
The objective of this work was to study the effect of blue light diffuser on the broiler stress control by measuring the occurrence of PSE meat just before slaughtering. Birds were divided into the following two groups before slaughter at the point of being hung on shackles: broiler group under low intensity blue light ambience (475, 17-20 lx) and control group under white light (550-650nm, 321-332 lx). Birds' stressful conditions were measured by the occurrence of PSE meat. Breast fillets were classified as PSE meat based on pH (<5.8) and lightness (L*&gt; 53.0). The fillet samples in the control group had the following characteristics: pHu=5.77, L* = 54.26 and b*= 6.27. The fillet samples from birds under blue light ambience had the following...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Color; Preslaughter handlings; PSE meat.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000500013
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Development of a gas chamber for detecting broiler chicken halothane sensitivity and PSE (Pale, Soft, Exudative) meat formation BABT
Marchi,Denis Fabrício; Oba,Alexandre; Ziober,Iris Lamberti; Soares,Adriana Lourenço; Ida,Elza Iouko; Shimokomaki,Massami.
The objective of this work was to investigate the use of a halothane to screen broiler chickens prone to develop PSE (Pale, Soft, Exudative) meat through a special gas chamber connected to a veterinarian anaesthetic apparatus developed in our laboratory. Anaesthesia was induced with approx. 3.0% halothane at a flow rate of 6.0 Lm-1 in pure oxygen for 5 min. Commercial male broilers (n=342) aged 46 days old were evaluated and classified as either halothane sensitive (HAL+) or insensitive (HAL-), depending on the leg rigidity response. Approximately 27.5% (n=94) of broilers were HAL+ and 72.5% (n=248) were HAL-. This is a simple and rapid technique to evaluate broiler sensitivity to halothane and identify broilers prone to develop PSE meat. The occurrence of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Halothane test; Colour; PH.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700024
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Functional properties of PSE (Pale, Soft, Exudative) broiler meat in the production of mortadella BABT
Kissel,Cassiana; Soares,Adriana Lourenço; Rossa,Alessandro; Shimokomaki,Massami.
This work was carried out in order to evaluate whether the functional properties of broiler meat are affected by the factors that lead to PSE (Pale, Soft, Exudative). PSE meat was characterized by pH and L* values, and mortadella formulations consisted of isolated soy protein, sodium tripolyphosphate, and cassava starch in addition to PSE and normal meats. The functionality of the meat was evaluated by examining the water holding capacity (WHC), texture profile, emulsion stability (ES) and color of the final products. The results show that in mortadella prepared with PSE meat, the protein denaturation affected the ES. Additives are necessary to enhance the functional properties of PSE meat.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mortadella; Water holding capacity; Texture profile; Meat color; Emulsion stability.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700027
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Influence of Cooling on the Glycolysis Rate and Development of PSE (Pale, Soft, Exudative) Meat BABT
Pedrão,Mayka Reghiany; Kato,Talita; Soares,Adriana Lourenço; Ida,Elza Iouko; Coró,Fábio Augusto Garcia; Grespan,Moises; Paião,Fernanda; Shimokomaki,Massami.
The aim of this work was to evaluate pH values fall rate in chicken breast meat under commercial refrigeration processing conditions and the development of PSE (pale, soft, exudative) meat. Broiler breast samples from the Cobb breed, both genders, at 47 days of age (n = 100) were taken from refrigerated carcasses (RS) immersed in water and ice in a tank chilled at 0°C (±2). pH and temperature (T) values were recorded at several periods throughout refrigeration in comparison to samples left at room T as control (CS). The ultimate pH (pHu) value of 5.86 for RS carcasses were only reached at 11°C after 8.35 h post mortem (PM) while, for CS samples, pHu value was 5.94 at 22°C after 4.08 h PM. Thus, under commercial refrigeration conditions, the glycolysis rate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Post mortem management; Commercial processing refrigeration; Water chiller.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000200272
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Lipid oxidation and fatty acid profile related to broiler breast meat color abnormalities BABT
Soares,Adriana Lourenço; Marchi,Denis Fabrício; Matsushita,Makoto; Guarnieri,Paulo Donizeti; Droval,Adriana Aparecida; Ida,Elza Iouko; Shimokomaki,Massami.
The aim of this work was to study the influence of lipid oxidation on broiler breast meat (Pectoralis major m) color abnormalities. There were 27.0 % more lipid oxidation in PSE in relation to normal meat and 41.0 % more in relation to DFD-like meat (p<0.05). The fatty acid profile was also significantly different since the arachidonic acid (AA) fraction increased 38.6 and 70.5 % in PSE meat comparing to normal and DFD-like meats, respectively. The ratio PUFA/SFA changed in these three types of meat: 0.736, 0.713 and 0.694 for PSE, normal and DFD-like meat respectively, reflecting the highest production of polyunsaturated fatty acids in the PSE meat samples. Results indicated that phospholipase A2 enzyme activities played a relevant role towards the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PSE meat; DFD meat; Arachidonic acid.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000600023
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Sensitivity to halothane and its relationship to the development of PSE (Pale, Soft, Exudative) meat in female lineage broilers BABT
Marchi,Denis Fabrício; Trindade,Marco Antônio; Oba,Alexandre; Soares,Adriana Lourenço; Ida,Elza Iouko; Ferraz,José Bento Sterman; Michelan Filho,Tércio; Ziober,Iris Lamberti; Shimokomaki,Massami.
This work aimed to evaluate female lineage broilers for halothane sensitivity and for their susceptibility to the subsequent development of PSE meat. The halothane test was carried out in an anesthetic chamber with 3.0% halothane. The unconscious birds were examined for leg muscle rigidity. If one or both legs became extended and rigid, the birds were classified as halothane sensitive (HAL+), while unresponsive birds were classified as halothane negative (HAL-). The results showed that of 298 birds aged 42 days old, 95.6% were HAL- and 4.4% were HAL+. A sample of pectoralis major muscle was collected from HAL- (n=105) and HAL+ (n=13) birds. The pH and breast fillet color were determined at 4ºC, 24 hours post-mortem. Interestingly, only 2.5% of HAL+ birds...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Environmental factors; Pectoralis major; Meat color abnormality.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700028
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Synergism between dietary vitamin E and exogenous phytic acid in prevention of warmed-over flavour development in chicken breast meat, Pectoralis major M. BABT
Soares,Adriana Lourenço; Olivo,Rubison; Shimokomaki,Massami; Ida,Elza Iouko.
The effect of alpha-tocopheryl acetate (AT) supplementation and exogenous application of this vitamin E associated with phytic acid (PA) on chicken breast meat WOF development was assessed. Control group was fed with 7.7IU of AT/kg of ration and supplemented group was fed with 200.0IU of AT/kg of ration. Dietary vitamin E as measured by TBARS inhibited WOF development by 78.9; 69.0; 60.7 and 46.5% (p<0.05) during storage at 6° C for 0, 1, 3 and 5 days, respectively. This inhibition was significantly increased (p<0.05) by 86.1; 91.6; 92.9 and 95.3% during storage at 6° C for 0, 1, 3 and 5 days, respectively, when 2mM PA was added in supplemented breast meat. In the exogenous experiment, through Response Surface Methodology design it was found out AT...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Warmed over flavour; Vitamin E; Phytic acid; Lipid oxidation inhibition; Response surface methodology; Breast poultry meat.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000100008
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The effect of management of transport and lairage conditions on broiler chicken breast meat quality and DOA (Death on Arrival) BABT
Oba,Alexandre; Almeida,Mauricio de; Pinheiro,João Waine; Ida,Elza Iouko; Marchi,Denis Fabricio; Soares,Adriana Lourenço; Shimokomaki,Massami.
The aim of this work was to evaluate the influence of time of broiler chicken transportation and lairage prior to slaughtering on the occurrence of PSE (Pale, Soft, Exudative) meat and Death On Arrival (DOA) under non-commercial conditions in the Brazilian summer. Male birds (n=250) from a commercial line were subjected to different periods of journey (30, 90, and 180 min) and lairage (0, 90, and 180 min) before slaughtering. The occurrence of PSE was higher in broilers subjected to shorter journeys and lairage periods, whereas DOA was more pronounced upon longer periods of transport and lairage. The DOA occurrence percentage was much higher in comparison to commercially available figures, confirming that broiler chickens are very sensitive to both...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water holding capacity; PSE meat; Color abnormalities; Broiler management.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700026
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Turkey Meat. Seasonal Effect on Meat Quality and on Dead on Arrival Index in a Commercial Plant BABT
Carvalho,Rafael Humberto de; Soares,Adriana Lourenço; Guarnieri,Paulo Donizete; Oba,Alexandre; Ida,Elza Iouko; Shimokomaki,Massami.
ABSTRACT The objective of this study was to determine the incidence of Pale, Soft, Exudative (PSE) meat and to characterize the Dark, Fim, Dry (DFD) meat as well as the Dead on Arrival (DOA) index in a commercial turkey slaughterhouse in southern Brazil during the summer and winter seasons. The journeys (n=64) were over a distance of 36 ± 20 km and took approximately 95 ± 20 min. Color (L*) and pH distribution of turkey breast meat (n=5,352) were evaluated from different farms (n=64) during the 2015-2016 years. The pH, water-holding capacity, color (L*, a*, b*) were used to establish cutoff values for DFD meat (L* < 44.0 and pH > 5.90) and presented correlation among them. The L* value was the highest during the summer (P<0.01), indicating the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal Welfare; Color Meat; DFD meat; PSE meat; Slaughterhouse.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132018000100505
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