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Meat Science

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https://www.readbyqxmd.com/read/28342329/cheese-powder-as-an-ingredient-in-emulsion-sausages-effect-on-sensory-properties-and-volatile-compounds
#1
Chen Xiang, Jorge Ruiz-Carrascal, Mikael A Petersen, Anders H Karlsson
Different types of cheese powder were added to meat emulsion sausages in order to address its influence on chemical composition, volatile compounds profile and sensory properties, and its potential to reduce salt content through boosting saltiness. Addition of cheese powder to emulsion sausages modified their profile of volatile compounds. Blue cheese increased some ketones, alcohols, and esters, while brown cheese brought typical Maillard reaction compounds. Overall, addition of cheese powders to sausages enhanced the intensity of flavour traits...
March 21, 2017: Meat Science
https://www.readbyqxmd.com/read/28342838/the-effect-of-the-packaging-system-and-storage-time-on-myofibrillar-protein-degradation-and-oxidation-process-in-relation-to-beef-tenderness
#2
Małgorzata Moczkowska, Andrzej Półtorak, Magdalena Montowska, Edward Pospiech, Agnieszka Wierzbicka
This study investigated the impact of packaging systems on the degradation and oxidation of beef proteins regarding beef tenderness of longissimus lumborum (LL) and biceps femoris (BF) muscles stored in vacuum skin packaging (VSP), a modified atmosphere with high oxygen concentration (MAP), and combined of these two methods (VSP+MAP). A significant decrease in the Warner-Bratzler shear force (WBSF) in VSP at D14 and D28 for LL was observed compared to BF. A significant effect of packaging system on troponin-T (Tn-T) and desmin degradation was shown (p≤0...
March 18, 2017: Meat Science
https://www.readbyqxmd.com/read/28324870/effects-of-long-spray-chilling-on-water-pocket-development-in-ribeyes
#3
A S de Mello, T P Ringkob, Y Yeh
Water Pocket (WP) is a defect on beef that may lead to significant economic losses. Our hypothesis is that longer spray-chilling time increases WP incidence on ribeyes (M. longissimus thoracis). Ribeyes (28,801) were visually evaluated for the presence of WP after 24 or 72h of spray chilling. Additionally, 252 beef sides were evaluated prior to chilling to predict WP development after 24h of spray chilling. Also, the 12th rib fat thickness was measured on 313 sides and the sides were assigned to two categories of WP or no WP to evaluate fat thickness as an indicator for WP...
March 11, 2017: Meat Science
https://www.readbyqxmd.com/read/28324869/applications-of-high-pressure-to-pre-rigor-rabbit-muscles-affect-the-functional-properties-associated-with-heat-induced-gelation
#4
Siwen Xue, Huijuan Yang, Rui Liu, Chang Qian, Mengyao Wang, Yufeng Zou, Xinglian Xu, Guanghong Zhou
High pressure (HP) was applied to pre-rigor rabbit muscles (PRRMs) for the manufacture of value-added gel-type products. A 2×3 factorial design was adopted for HP-treatment (100, 200 and 300MPa for 15 or 180s) to PRRMs. The HP-treated meat was used for gel preparation and determination of water mobility properties and textural profiles. Salt-soluble meat proteins (SSMP) were then extracted from meat for estimating the tertiary conformational changes (hydrophobic and sulfhydryl groups). The water-holding capacity of treated samples increased significantly (P<0...
March 10, 2017: Meat Science
https://www.readbyqxmd.com/read/28314171/improving-pork-burgers-quality-using-zingiber-officinale-roscoe-powder-ginger
#5
Simone Mancini, Gisella Paci, Filippo Fratini, Beatrice Torracca, Roberta Nuvoloni, Alessandro Dal Bosco, Valentina Roscini, Giovanna Preziuso
Pork burgers were evaluated for physical-chemical characteristics, fatty acids profile, lipid oxidation, antioxidant capacity, microbiological growth and sensory evaluation during storage time of seven days at 4°C as function of three formulations as only meat (control, B) and meat added with ginger powder at the percentage of 1 and 2% (BG1 and BG2). BG1 and BG2 were less redness than control ones with incremented yellow hue. These modifications in color parameters did not modify sensory characteristics of burgers...
March 8, 2017: Meat Science
https://www.readbyqxmd.com/read/28324871/herd-specific-random-regression-carcass-profiles-for-beef-cattle-after-adjustment-for-animal-genetic-merit
#6
Tanya M Englishby, Kirsty L Moore, Donagh P Berry, Mike P Coffey, Georgios Banos
Abattoir data are an important source of information for the genetic evaluation of carcass traits, but also for on-farm management purposes. The present study aimed to quantify the contribution of herd environment to beef carcass characteristics (weight, conformation score and fat score) with particular emphasis on generating finishing herd-specific profiles for these traits across different ages at slaughter. Abattoir records from 46,115 heifers and 78,790 steers aged between 360 and 900days, and from 22,971 young bulls aged between 360 and 720days, were analysed...
March 7, 2017: Meat Science
https://www.readbyqxmd.com/read/28285116/effect-of-borage-and-green-tea-aqueous-extracts-on-the-quality-of-lamb-leg-chops-displayed-under-retail-conditions
#7
M Bellés, V Alonso, P Roncalés, J A Beltrán
Different concentrations of two aqueous extracts from green tea leaves and borage seeds with potential antioxidant activity were evaluated in lamb leg chops. Chops were sprayed with 0.005, 0.05, 0.5, 5% (p/v) green tea extracts (T) and 0.5, 5 and 10% (p/v) borage seed extracts (B) and displayed under retail conditions for 13days. Total polyphenols, TBARS, colour, microbial and sensory analyses were performed. The extracts showed a concentration-dependent action; the minimum concentration of polyphenols which significantly reduced lipid oxidation was 2...
March 6, 2017: Meat Science
https://www.readbyqxmd.com/read/28285115/teriyaki-sauce-with-carvacrol-or-thymol-effectively-controls-escherichia-coli-o157-h7-listeria-monocytogenes-salmonella-typhimurium-and-indigenous-flora-in-marinated-beef-and-marinade
#8
Hyeree Moon, Nam Hee Kim, Soon Han Kim, Younghoon Kim, Jee Hoon Ryu, Min Suk Rhee
An effective bactericidal cold-marinating method for beef products is described, exploiting the synergism between soy sauce and natural compounds (carvacrol, CV or thymol, TM) to reduce microbiological risks. Beef slices inoculated with Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella Typhimurium (3.1-3.5logCFU/g) were marinated in a teriyaki sauce with or without CV and TM (0.3 and 0.5%). After 1, 3, and 7days at 4°C, indigenous microflora population, color, lipid oxidation, marinade uptake, and pH of marinated beef and leftover marinade samples were examined...
March 6, 2017: Meat Science
https://www.readbyqxmd.com/read/28284124/effect-of-nitrate-on-residual-nitrite-decomposition-rate-in-cooked-cured-pork
#9
Masahiro Waga, Shiro Takeda, Ryoichi Sakata
The effects of nitrate on the color stability of cooked cured pork were examined. Nitrate inhibited the nitrite decrement and discoloration in the cooked cured ham. Nitrate reduction and nitrite accumulation were observed in the uncooked sausage models, but were not detected in the sausage models cooked at 75°C. The kinetics of nitrite degradation was subsequently examined at various concentrations of nitric acid at constant acidity. The degradation rate of nitrite was clearly found to decrease with nitric acid content...
March 6, 2017: Meat Science
https://www.readbyqxmd.com/read/28273584/antioxidant-activity-of-pomegranate-peel-extract-on-lipid-and-protein-oxidation-in-beef-meatballs-during-frozen-storage
#10
Sebahattin Serhat Turgut, Fatma Işıkçı, Ayla Soyer
Antioxidant effect of pomegranate peel extract (PE) to retard lipid and protein oxidation in beef meatballs was investigated during frozen storage at -18±1°C. Concentrated and freeze dried aqueous extract of pomegranate peel was incorporated into freshly prepared meatball mix at 0.5% and 1.0% concentrations, and compared with 0.01% butylated hydroxytoluene (BHT) and control (without any antioxidant). In PE treated samples, particularly in high PE concentration, peroxide, malondialdehyde and carbonyl formation, loss of total protein solubility and sulfhydryl groups were significantly lower than control after 6months of storage...
March 2, 2017: Meat Science
https://www.readbyqxmd.com/read/28273585/consumer-profile-analysis-for-different-types-of-meat-in-spain
#11
Carmen Escriba-Perez, Amparo Baviera-Puig, Juan Buitrago-Vera, Luis Montero-Vicente
It is important to analyse the consumer profile of each type of meat to better adapt the marketing mix to each one. To this end, we examined the average consumption frequency of different types of meat based on two methodologies: consumer segmentation using the food-related lifestyle (FRL) framework, giving rise to 4 segments, and analysis of socio-demographic profiles. The variables used were: sex, age, educational level, social class, number of people in the household, presence of children younger than 18 in the home, geographical area and habitual residence...
March 1, 2017: Meat Science
https://www.readbyqxmd.com/read/28267646/a-comparison-of-intact-and-degraded-desmin-in-cooked-and-uncooked-pork-longissimus-thoracis-and-their-relationship-to-pork-quality
#12
E Richardson, B M Bohrer, E K Arkfeld, D D Boler, A C Dilger
The objective was to compare desmin abundance (intact, degraded, and the ratio of intact desmin to degraded desmin) in samples from cooked and uncooked pork and establish its relationship to pork quality traits. Pork chops (2.54-cm thick) from twenty-four pork loins were randomly assigned to treatment (cooked or uncooked). Intact and degraded desmin in cooked and uncooked chops aged 1d were weakly correlated (r<|0.35|) with Warner-Bratzler shear force at 1 and 14d postmortem aging. Intact and degraded desmin in cooked and uncooked chops aged 14d were moderately correlated (|0...
February 28, 2017: Meat Science
https://www.readbyqxmd.com/read/28268205/consumer-preferences-for-pork-chops-in-five-canadian-provinces
#13
T M Ngapo
The aim of this study is to identify the most important characteristics of fresh pork that determine consumer choice in five Canadian provinces. Within-consumer preference replication and systematic image manipulation in surveying showed differences in strategies for pork choice in lean colour (P<0.001) and marbling (P=0.006). High proportions of Nova Scotians (29%) chose light red pork, Albertans (42%) dark red and Quebecers (29%) non-marbled pork. Overall, the most important choice criteria were fat cover (57% preferred lean, 8% fatty) and lean colour (35% dark red, 18% light red)...
February 27, 2017: Meat Science
https://www.readbyqxmd.com/read/28259074/a-gr-impedance-probe-proves-unsuitable-for-measuring-gr-depth-in-australian-lamb-carcases
#14
Stephanie M Fowler, Jordan M Hoban, Remy van de Ven, Mal Boyce, Andrew Williams, David W Pethick, David L Hopkins
Multiple studies were conducted at 3 abattoirs to determine the potential of a dual function GR/Impedance probe to measure GR soft- tissue depth (depth at the 12th rib, 110mm from the mid line of the carcase) of typical lamb carcases processed in Australia. Lamb carcases (1016) were measured approximately 25min post slaughter with the probe and a GR knife as the most commonly used measurement. Modelling indicated that variation in the measurement using the probe compared to the measurement using the knife occurred with increasing carcase weight and fatness as well as between different abattoirs...
February 27, 2017: Meat Science
https://www.readbyqxmd.com/read/28284123/the-impact-of-high-hydrostatic-pressure-on-the-functionality-and-consumer-acceptability-of-reduced-sodium-naturally-cured-wieners
#15
Z Pietrasik, N J Gaudette, S P Johnston
The effects of high pressure processing (HPP; 600MPa for 3min at 8°C) on the quality and shelf life of reduced sodium naturally-cured wieners was studied. HPP did not negatively impact processing characteristics and assisted in extending shelf life of all wiener treatments up to a 12week storage period. At week 8, HPP wieners received higher acceptability scores, indicating HPP can effectively extend the sensory quality of products, including sodium reduced formulations containing natural forms of nitrite...
February 24, 2017: Meat Science
https://www.readbyqxmd.com/read/28267644/production-of-dry-cured-formed-ham-with-different-concentrations-of-microbial-transglutaminase-mass-spectrometric-analysis-and-sensory-evaluation
#16
Wolfgang Jira, Arash Sadeghi-Mehr, Dagmar A Brüggemann, Fredi Schwägele
Dry-cured formed hams were produced with different concentrations of microbial transglutaminase (TG; 0.05, 0.1, 0.2, 0.5, and 0.8% Activa PB) and glucono-delta-lactone as control. A sensory evaluation was performed during a 43-day storage to determine cohesion, cavities, and local separation of dry-cured formed ham. Rising TG concentrations resulted in a slight increase in the evaluation of all sensory parameters, whereas amounts of TG higher than 0.5% led to an only very minor improvement. Dry-cured formed ham samples were analyzed by a sensitive HPLC-MS/MS method for the detection of TG using five tryptic marker peptides...
February 24, 2017: Meat Science
https://www.readbyqxmd.com/read/28259075/the-effect-of-carbon-monoxide-pretreatment-exposure-time-on-the-colour-stability-and-quality-attributes-of-vacuum-packaged-beef-steaks
#17
Lauren Anne Van Rooyen, Paul Allen, Sarah M Crawley, David I O'Connor
The effect of 5% CO pretreatments prior to vacuum packaging of beef striploin steaks (Longissimus thoracis et lumborum, LTL) on quality attributes, primarily colour stability was investigated. The aim was to determine the optimum pretreatment that would induce the desirable red colour, while allowing discoloration to occur by the end of a 28-day display period (2°C), so as to not mask spoilage. A range of pretreatment exposure times (1, 3, 5, 7, 9, 15 and 24h) were applied to steaks using a gas mixture of 5% CO, 60% CO2 and 35% N2...
February 24, 2017: Meat Science
https://www.readbyqxmd.com/read/28284125/consumer-preferences-for-pig-welfare-can-the-market-accommodate-more-than-one-level-of-welfare-pork
#18
Sigrid Denver, Peter Sandøe, Tove Christensen
The purpose of the present paper is to investigate the market potential of pork labelled to indicate medium and high levels of animal welfare. The paper asks, in particular, whether there is a risk that Danish consumers will abandon high level welfare pork if less expensive products with a medium level of animal welfare became available. The study was based on an online questionnaire with a choice experiment involving 396 Danish respondents. The results indicated that the Danish market could accommodate more than one pork product with a welfare label but the price differential separating medium and high level animal welfare pork will have to be quite narrow...
February 22, 2017: Meat Science
https://www.readbyqxmd.com/read/28267645/determination-of-critical-levels-of-residual-oxygen-to-minimize-discoloration-of-sliced-packaged-norwegian-salami-under-light-display
#19
Oddvin Sørheim, Ingrid Måge, Hanne Larsen
Discoloration of sliced packaged salami is contributing to rejection of the product, food waste and economical loss. A combination of residual O2 in the headspace of packages and light is causing photooxidation and deterioration of colour. The aim of this study was to establish maximum tolerable concentrations of residual O2 in packages of salami slices with 100% N2 under light display at 4 and 20°C. Salami sausages had variable inherent O2 consumption rate. Storage of salami in 1% O2 in darkness did not induce discoloration...
February 21, 2017: Meat Science
https://www.readbyqxmd.com/read/28237742/sensor-array-based-evaluation-and-grading-of-beef-taste-quality
#20
Yunxiu Han, Xiaodan Wang, Yaoxuan Cai, Zhiyuan Li, Lei Zhao, Hongmei Wang, Jiahui Jin, Yingming Cai, Liping Xu, Lingtao Zhu
A sensor array composed of ion electrodes including 2 glass electrodes, 3 liquid-membrane electrodes and 7 insoluble salt electrodes was built. Before detection, the working electrodes were activated as required in activate fluids, and the stability states of sensors were analyzed in deionized water. Beef samples were evaluated after all working electrodes stabilized. The response signals from the samples were recorded by an electrochemical workstation and used as the evaluation results. A beef taste sensory evaluation criterion was built and used into sensory evaluation of beef samples...
February 20, 2017: Meat Science
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