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Registros recuperados: 13
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Anoxia stress and effect on flesh quality and gene expression of tilapia Ciênc. Tecnol. Aliment.
ZUANAZZI,Jovana Silva Garbelini; LARA,Jorge Antonio Ferreira de; GOES,Elenice Souza dos Reis; ALMEIDA,Fernanda Losi Alves de; OLIVEIRA,Carlos Antonio Lopes de; RIBEIRO,Ricardo Pereira.
Abstract We evaluated the effect of the length of stay out of water on stress, gene expression, pH variation, blood parameters, histological analysis and water holding capacity (WHC) in fillets of the Nile tilapia (Oreochromis niloticus) cultivated in net-tanks. For this purpose, the fishes were maintained out of water under different periods of anoxia. Three and 6 min of anoxia in the pre-slaughter period increased the blood levels and mRNA expression of heat shock protein 70 the Nile tilapia and produced fillets with a less firm texture (greater sarcomere length). The evaluated periods of anoxia did not markedly affect pH and WHC. These results demonstrate that a pre-slaughter period of acute stress of up to 6 min does not considerably affect the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: HSP70; Oreochromis niloticus; PH; Sarcomere length; Water holding capacity.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000100195
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Biochar to Climate Change Adaptation. Repositório Alice
GONDIM, R. S.; MUNIZ, C. R.; GURGEL, C.M.; JUNIOR, R.N. de. A.; SANTOS, C.L.A. dos..
2015
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Water holding capacity; Adaptation strategy; Climate change; Biochar; Water holding capacity; Adaptation strategy; Climate change; Biochar.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1030179
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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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Características físicas da carne de queixada (Tayassu pecari Link, 1795). Repositório Alice
PIOVEZAN, U.; ZUANAZZI, J. G.; FELIX, G. A.; LARA, J. A. F. de.
A fauna é um agente que não pode ser ignorado na gestão de recursos naturais renováveis. Além de sua importância direta na conservação dos ecossistemas, o desenvolvimento do potencial econômico das espécies silvestres pode viabilizar, em curto prazo, a conservação de tais organismos também de ecossistemas. Este estudo descreve características físicas da carne de queixa das (Tayassu pecari) produzidas em cativeiro. Quinze animais (seis machos e nove fêmeas) criados no município de Mineiros-GO foram abatidos em frigorífico de Formosa-GO, em novembro de 2007. Os parâmetros considerados foram: queda do pH 24h após o abate, perdas por cozimento (PPC) e capacidade de retenção de água (CRA) do músculo Longissimus dorsi. O pH médio foi de 6,20, as perdas por...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Capacidade de retenção de água; Carne DFD; Manejo sustentável; Perdas por cozimento; Qualidade da carne; Water holding capacity; DFD meat; Sustainable management; Cooking losses; Meat quality.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/973557
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Economic gains of improving soil fertility and water holding capacity with clay application: the impact of soil remediation research in northeast Thailand AgEcon
Saleth, Rathinasamy Maria; Inocencio, Arlene; Noble, Andrew D.; Ruaysoongnern, Sawaeng.
Declining productivity of agricultural soils in Northeast Thailand is a challenge facing land managers and farmers. A program was initiated in 2002 to investigate the potential role of incorporating clay-based materials into degraded soils as a means of enhancing productivity. This research report attempts to provide an ex-post assessment of the field level impact and economic viability of this approach, using the empirically derived estimates of the average income impacts that the application of bentonite or clay technology has generated among farm communities in Northeast Thailand. From an exclusive IWMI perspective, the impact evaluation suggests that the program has a net present value (NPV) of US$0.41 million with a benefit-cost ratio (BCR) of 2.44...
Tipo: Report Palavras-chave: Soil improvement; Impact assessment; Research projects; Soil fertility; Sandy soils; Water holding capacity; Clay soils; Soil water relations; Soil management; Farming systems; Crop yield; Vegetable crops; Rice; Sorghum; Models; Statistical methods; Cost benefit analysis; Economic analysis; Economic aspects; Thailand; Agribusiness; Agricultural Finance; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Land Economics/Use; Production Economics; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods.
Ano: 2009 URL: http://purl.umn.edu/53064
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Effects of transportation stress on quality and sensory profiles of Nile tilapia fillets Scientia Agricola
Goes,Elenice Souza dos Reis; Lara,Jorge Antônio Ferreira de; Gasparino,Eliane; Goes,Marcio Douglas; Zuanazzi,Jovana Silva Garbelini; Lopera-Barrero,Nelson Maurício; Rodriguez,Maria del Pilar Rodriguez; Castro,Pedro Luiz de; Ribeiro,Ricardo Pereira.
ABSTRACT: This study evaluated pre-slaughter stress and its influence on the stress indicators, quality characteristics and sensory characteristics of Nile tilapia fillets. To this end, two experiments were conducted: (1) two transportation times (60 and 240 min), with a density of 200 kg m−3, were compared to control treatment fish (in which the fish were removed from the net cage and immediately euthanized); and (2) two transportation densities (100 and 400 kg m−3), transported for 180 min, compared with control treatment fish. In experiment 1, the transportation time of 60 min resulted in higher levels of serum cortisol and plasma glucose compared to the transportation time of 240 min and the control. Fish fillets transported for 240 min had higher...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oreochromis niloticus; PH; Colorimetry; Water holding capacity; Sensory analysis.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000400321
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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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Meat and carcass traits of the red-winged tinamou (Rhynchotus rufescens) Rev. Bras. Ciênc. Avic.
Queiroz,FA de; Carvalho,MM de; Sugui,JK; Nunes,J; Felipe,L; Santos,EC dos; Tonhati,H; Boiago,MM; Hata,ME; Tholon,P; Queiroz,SA de.
Tinamou (Rhynchotus rufescens) is a native bird of the Brazilian fauna and has great potential to become a domesticated species. From this perspective, the objective of this study was to evaluate the carcass and main parts yield and to assess meat quality of that bird. Two trials, one studying stocking density and the other litter materials, lasting 60 days each, were conducted. The studied traits were evaluated in two birds/replicate/treatment. Performance was evaluated by the least square method. The results showed that bird age at slaughter significantly influenced carcass and breast yields (p<0.05). Mean carcass, breast, thighs+drumstick and wing yields were 86.50±2.78%, 32.84±1.50%, 27.71±1.44%, and 13.21±0.94%, respectively. Shear force, pH, water...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass yield; Lightness; PH; Shear force; Water holding capacity.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2013000200006
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Physicochemical and microbiological changes in gutted and ungutted red tilapia (Oreochromis ssp) stored in ice Ciencia e Investigación Agraria
Ruíz-Osorio,Yaneth L; Amorocho-Cruz,Claudia M; Gutiérrez-Guzmán,Nelson.
We assessed the degree of freshness of gutted and ungutted red tilapia (Oreochromis ssp) using physicochemical and microbiological analyses of samples of gutted red tilapia on days 0, 3, 5, 8, 11, 14 and 17 and of ungutted red tilapia on days 0, 3, 6, 9, 11, 14 and 16. The total sample size was five fish stored in ice at temperatures between 0 and 4 °C. Different methods were used to study the degree of freshness: pH, water holding capacity (WHC) and microbiological analysis (aerobic mesophilic count). Once we obtained the results, a one-way analysis of variance (ANOVA) was used to determine possible correlations between the values of deterioration and the data obtained by other analysis methods. The one-way ANOVA showed that statistically significant...
Tipo: Journal article Palavras-chave: Aerobic mesophilic bacteria; Fishes; PH; Storage; Water holding capacity; WHC.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202015000200012
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Quality of wild boar meat and commercial pork Scientia Agricola
Marchiori,Andréa Fernanda; Felício,Pedro Eduardo de.
Presently there is a growing interest in the production and marketing of wild boar meat, and to attend a differentiated consumer demand the quality attributes of this product should be well established. To characterize the quality of wild boar meat in comparison to commercial pork, post mortem changes in the longissimus dorsi and semimembranosus muscles were determined by pH and temperature decline, and color (CIE L*a*b*) measurements. Water holding capacity (WHC) was determined by the compression method and the exudate loss (EL) by the drip loss test. Decline in longissimus dorsi muscle pH of wild boar was gradual and in the pork it was faster and more extensive. Temperature differences were observed in some post mortem times, and the lowest values were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PH; Color; Drip loss; Water holding capacity.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000100001
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Role of charcoal addition on infiltration processes and soil water content characteristics of a sandy loam soil CIGR Journal
Villagra-Mendoza, Karolina.
Terra preta (TP) is a soil amendment which is enriched with powdered charcoal, with nutrient sources from organic residues, and that constitutes a resource to improve soils for sustainable land use systems (Glaser, 2007).  Terra preta-dark soil is inspired by the highly successful historic practice of soil building in the Amazon and other parts of the world.  This work involves a relatively unexplored topic: the comprehension of infiltration processes and soil water content characteristics in a sandy loam soil combined with different fractions of terra preta amendments.  This analysis contributes to a better understanding of the relationship between fractions of charcoal in terms of terra preta content and soil water holding capacity.  First, a physical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil conservation charcoal; Infiltration; Sandy loam; Sustainable farming; Terra preta; Water holding capacity.
Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3770
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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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คุณภาพเนื้อของโคดอย และโคขาวลำพูน เปรียบเทียบกับโคลูกผสมบราห์มัน Thai Agricultural
Sukanya Yodsoi; Niraporn Chaiwang; Saowaluck Yammuen-art; Korawan Sringarm; Songkiet Suwansirikul; Sanchai Jaturasitha.
The study was conducted to investigate the meat quality of Mountainous and White Lamphun cattle compared to Brahman crossbred. Twenty four cattle with the average age of 4 years old, and raised under natural grazing conditions were used in the experiment in a completely randomized design. The result found that Longissimus dorsi of Mountainous beef had lower (P < 0.05) maximum shear force value (51.8 N) and higher (P < 0.05) soluble collagen content (0.317 g/100g meat) compared to Brahman crossbred (55.0 N and 0.261 g/100g meat) and White Lamphun beef (58.8 N and 0.270 g/100g meat). Moreover, the insoluble and total collagen content of Mountainous beef was lower than (0.869 and 1.19 g/100g meat) Brahman crossbred (0.950 and 1.21 g/100g meat) and white...
Tipo: PhysicalObject Palavras-chave: Mountainous cattle; White Lamphun cattle; Brahman crossbred cattle; Meat quality; Water holding capacity; WHC; Sensory evaluation; Shear force; Collagen content; โคดอย; โคขาวลำพูน; โคลูกผสมบราห์มัน; โคเนื้อ; โคพื้นเมือง; คุณภาพเนื้อ; กล้ามเนื้อสันนอก; ความสามารถในการอุ้มน้ำของเนื้อ; การประเมินทางประสาทสัมผัส; แรงตัดผ่าน; ปริมาณคอลลาเจน.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5789
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