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Meat Science

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https://www.readbyqxmd.com/read/27919564/corrigendum-to-influence-of-physicochemical-parameters-and-high-pressure-processing-on-the-volatile-compounds-of-serrano-dry-cured-ham-after-prolonged-refrigerated-storage-meat-science-volume-2016-101-108
#1
https://www.readbyqxmd.com/read/27918929/long-term-red-meat-preservation-using-chilled-and-frozen-storage-combinations-a-review
#2
REVIEW
Cassius E O Coombs, Benjamin W B Holman, Michael A Friend, David L Hopkins
This paper reviews current literature relating to the effects of chilled and frozen storage on the quality characteristics of red meat (lamb and beef). These characteristics include tenderness (shear force), juiciness (fluid losses), flavour (lipid oxidation), colour and microbial loading. Research suggests that chilled storage of red meat can improve certain properties, such as shear force and species-specific flavour, to threshold levels before the effects on flavour and colour become deleterious, and key microbial species proliferate to spoilage levels...
December 1, 2016: Meat Science
https://www.readbyqxmd.com/read/27918928/effect-of-a-grazing-period-prior-to-finishing-on-a-high-concentrate-diet-on-meat-quality-from-bulls-and-steers
#3
L Moran, M G O'Sullivan, J P Kerry, B Picard, M McGee, E G O'Riordan, A P Moloney
Bulls and steers (n=60) were assigned to a pre-finishing grazing period and subsequently finished on concentrates or offered concentrates without grazing until slaughter (19months). Colour and pH of longissimus thoracis were measured (48h post-slaughter), and samples collected for proximate composition, collagen, sarcomere length, muscle fibre and enzymatic profile analysis. Steaks for texture, cook loss and sensory were aged (14days). Castration increased intramuscular fat content, cook loss and myosin isoforms IIa and I proportions, and decreased IIx proportion (P<0...
November 29, 2016: Meat Science
https://www.readbyqxmd.com/read/27888773/the-combined-effects-of-grain-supplementation-and-tenderstretching-on-alpaca-vicugna-pacos-meat-quality
#4
M A Smith, R D Bush, R J van de Ven, D L Hopkins
This study investigated the effects of feeding a mixed grain supplement and tenderstretching (TS) alpaca carcasses on meat quality. A total of 56 castrated 24month old alpacas were divided into two treatments (pasture-only, and pasture plus supplementation). Supplemented groups were fed a mixed grain ration in addition to ad lib pasture for 10weeks. Animals were slaughtered across two kill days (n=28). One half of each carcass was suspended by the pelvis (TS) prior to chilling, and the other half was Achilles tendon hung (AH)...
November 21, 2016: Meat Science
https://www.readbyqxmd.com/read/27888774/prediction-of-sodium-content-in-commercial-processed-meat-products-using-near-infrared-spectroscopy
#5
Massimo De Marchi, Carmen L Manuelian, Sofia Ton, Davide Manfrin, Michele Meneghesso, Martino Cassandro, Mauro Penasa
The present study evaluated the ability of near infrared transmittance (NIT) spectroscopy (FoodScan, 850-1050nm) to predict sodium (Na) content in commercial processed meat products (n=310) as intact and ground samples. Prediction models were built with all samples spectra and with spectra divided in 5 categories according to the manufacturing meat process. Sodium content (%) was determined using inductively coupled plasma optical emission spectrometry. Modified partial least squares regression for the overall samples showed satisfactory predictive ability for intact (coefficient of determination in cross-validation, R(2)CV=0...
November 19, 2016: Meat Science
https://www.readbyqxmd.com/read/27918927/meatballs-with-3-and-6-dietary-fibre-from-rye-bran-or-pea-fibre-effects-on-sensory-quality-and-subjective-appetite-sensations
#6
Ursula Kehlet, Mette Pagter, Margit D Aaslyng, Anne Raben
This study investigated dose-response effects of rye bran and pea fibre added to meatballs on sensory quality and subjective appetite sensations. Pea fibre or rye bran was added to meatballs in doses ranging from 3g to 6g dietary fibre per 100g. In a sensory profile, a trained panel (n=9) evaluated the meatballs in terms of odour, appearance, texture and flavour attributes. In a cross-over appetite study, 27 healthy men were served five test meals. Subjective appetite sensations were assessed over a 4-hour period...
November 18, 2016: Meat Science
https://www.readbyqxmd.com/read/27886641/comparison-of-hot-versus-cold-boning-of-beef-carcasses-on-bacterial-growth-and-the-risk-of-blown-pack-spoilage
#7
Rachael Reid, Séamus Fanning, Paul Whyte, Joe Kerry, Declan Bolton
Primals were prepared from beef Longissimus thoracis et lumborum (LTL), psoas major (PM), quadriceps femoris (QF) and semitendinosus (S) muscles from cold and hot boned carcasses, vacuum-packaged and stored for 42 or 100days at 2°C and 7°C. Storage temperature, carcass or primal surface temperature, pH and aw were monitored. Samples were taken periodically and tested for total viable count mesophilic (TVCm), TVC psychrophilic (TVCp), total Enterobacteriaceae count (TEC), presumptive Pseudomonas spp., lactic acid bacteria (LAB), Clostridium spp...
November 17, 2016: Meat Science
https://www.readbyqxmd.com/read/27883958/antimicrobial-activity-and-bioguided-fractionation-of-rumex-tingitanus-extracts-for-meat-preservation
#8
Dhekra Mhalla, Amira Bouaziz, Karim Ennouri, Rachid Chawech, Slim Smaoui, Raoudha Jarraya, Slim Tounsi, Mohamed Trigui
: This study was undertaken to investigate the antibacterial and antifungal activities of Rumex tingitanus leaves extracts as well as the identification of bioactive components and their performance in meat preservation. Total phenolics and flavonoids showed the highest content of phenolics and flavonoids in the ethyl acetate fraction (Rt EtOAcF). For antimicrobial efficacy, leaves extract and derived fraction were tested for their capacity to inhibit bacterial and fungal proliferation in vitro and in vivo...
November 17, 2016: Meat Science
https://www.readbyqxmd.com/read/27886640/perceived-importance-and-responsibility-for-market-driven-pig-welfare-literature-review
#9
REVIEW
Cecilie A H Thorslund, Margit Dall Aaslyng, Jesper Lassen
This review explores barriers and opportunities for market-driven pig welfare in Europe. It finds, first, that consumers generally rank animal welfare as important, but they also rank it low relative to other societal problems. Second, consumers have a wide range of concerns about pig welfare, but they focus especially on naturalness. Third, pig welfare is seen as an important indicator of meat quality. Fourth, consumers tend to think that responsibility for pig welfare lies with several actors: farmers, governments and themselves...
November 16, 2016: Meat Science
https://www.readbyqxmd.com/read/27883957/effect-of-freezing-prior-to-aging-on-myoglobin-redox-forms-and-cie-color-of-beef-from-nellore-and-aberdeen-angus-cattle
#10
Carolina Naves Aroeira, Robledo de Almeida Torres Filho, Paulo Rogério Fontes, Alcinéia de Lemos Souza Ramos, Lúcio Alberto de Miranda Gomide, Márcio Machado Ladeira, Eduardo Mendes Ramos
The objective of this study was to evaluate the effect of freezing prior to wet aging on the color of Nellore and Aberdeen Angus cattle meat. Samples of the Longissimus thoracis muscle were subjected to two treatments: conventional aging (0, 7, 14 and 21days); and freezing (-20°C for 40days) followed by thawing and aging. Freezing promoted (P<0.05) formation of metmyoglobin during aging, especially in Nellore beef. Frozen meats showed (P<0.05) lower lightness (L*) values and higher redness (a*), chroma (C*) and hue angle (h*) values at the first day of storage, deteriorating quickly with aging time...
November 16, 2016: Meat Science
https://www.readbyqxmd.com/read/27871036/influence-of-red-wine-pomace-seasoning-and-high-oxygen-atmosphere-storage-on-carcinogens-formation-in-barbecued-beef-patties
#11
Javier García-Lomillo, Olga Viegas, Maria L Gonzalez-SanJose, Isabel M P L V O Ferreira
Polycyclic aromatic hydrocarbons (PAHs) and heterocyclic aromatic amines (HAs) are carcinogenic compounds formed in barbecued meat. Conditions that reduce their formation are of major interest. This study aims to evaluate the influence of red wine pomace seasoning (RWPS) and high-oxygen atmosphere storage on the formation of PAHs and HAs in barbecued beef patties. In general, the levels of PAHs and HAs quantified were low. The storage (9days) promoted higher formation of PAHs in control patties without increase of HAs...
November 15, 2016: Meat Science
https://www.readbyqxmd.com/read/27871035/analyzing-ph-induced-changes-in-a-myofibril-model-system-with-vibrational-and-fluorescence-spectroscopy
#12
Petter Vejle Andersen, Eva Veiseth-Kent, Jens Petter Wold
The decline of pH and ultimate pH in meat postmortem greatly influences meat quality (e.g. water holding capacity). Four spectroscopic techniques, Raman, Fourier transform infrared (FT-IR), near infrared (NIR) and fluorescence spectroscopy, were used to study protein and amino acid modifications to determine pH-related changes in pork myofibril extracts at three different pH-levels, 5.3, 5.8 and 6.3. Protonation of side-chain carboxylic acids of aspartic and glutamic acid and changes in secondary structure, mainly the amide I-III peaks, were the most important features identified by Raman and FT-IR spectroscopy linked to changes in pH...
November 14, 2016: Meat Science
https://www.readbyqxmd.com/read/27883959/evaluation-of-the-effectiveness-of-non-irradiated-and-chlorine-free-packaging-for-fresh-beef-preservation
#13
José B M Rodrigues, Claire I G L Sarantópoulos, Renata Bromberg, Juliana C Andrade, Kleber Brunelli, Luciana Miyagusku, Miriam G Marquezini, Eunice A Yamada
This study evaluates the potential of using non-irradiated barrier-shrink bags containing ethylene-vinyl alcohol copolymer (EVOH), polyamide (PA) and ethylene ionomer in their structures to preserve vacuum-packaged fresh beef as an alternative to traditional gamma-ray cross-linked bags containing polyvinylidene chloride (PVDC). Boneless beef rib eye roll cuts were vacuum-packed in an industrial processing plant using EVOH 44% mol, EVOH 32% mol and a control PVDC barrier shrink bags. The cuts were evaluated during storage at 0...
November 12, 2016: Meat Science
https://www.readbyqxmd.com/read/27842245/carnosine-content-in-the-porcine-longissimus-thoracis-muscle-and-its-association-with-meat-quality-attributes-and-carnosine-related-gene-expression
#14
Joël D'Astous-Pagé, Claude Gariépy, Richard Blouin, Simon Cliche, Brian Sullivan, Frédéric Fortin, Marie-France Palin
Muscle carnosine has pH-buffering, antioxidant and carbonyl scavenging properties, which may affect pork quality attributes. Study objectives were to: (1) compare muscle carnosine content and carnosine-related gene mRNA abundance in purebred pigs (n=282), (2) study the effect of muscle carnosine content on pork quality attributes and gene expression across breeds, and (3) study transcript abundance of carnosine-related genes in various tissues. Pigs were raised under similar conditions and slaughtered at 120±4...
November 9, 2016: Meat Science
https://www.readbyqxmd.com/read/27838574/effect-of-tempering-methods-on-quality-changes-of-pork-loin-frozen-by-cryogenic-immersion
#15
Eun Ji Choi, Hae Woong Park, Young Bae Chung, Sung Hoon Park, Jin Se Kim, Ho Hyun Chun
The quality characteristics of pork loin frozen by cryogenic immersion were examined, such as the drip loss, cooking loss, water holding capacity, moisture content, protein solubility, lipid and protein oxidation, color, and microstructure, and compared after different tempering methods: radio frequency (27.12MHz), water immersion, forced-air convection, and microwave tempering. Forced-air tempering was the most time-consuming process, whereas electromagnetic energy methods (radio frequency and microwave) were the shortest...
November 9, 2016: Meat Science
https://www.readbyqxmd.com/read/27865127/beef-consumer-segment-profiles-based-on-information-source-usage-in-poland
#16
Sylwia Żakowska-Biemans, Zuzanna Pieniak, Krystyna Gutkowska, Jerzy Wierzbicki, Katarzyna Cieszyńska, Marta Sajdakowska, Małgorzata Kosicka-Gębska
The main aim of this study was to identify market segments based on consumers' usage of information sources about beef and to investigate whether the use of information sources was associated with the type of information consumers were searching for, factors guiding their decision processes to buy beef and motives related to beef consumption. Data were collected in 2014 through a self-administered survey of 501 regular beef consumers. Three distinct clusters were identified: Enthusiast (38.5%), Conservative (43...
November 5, 2016: Meat Science
https://www.readbyqxmd.com/read/27835835/effect-of-natural-antioxidants-in-spanish-salchich%C3%A3-n-elaborated-with-encapsulated-n-3-long-chain-fatty-acids-in-konjac-glucomannan-matrix
#17
P E S Munekata, R Domínguez, D Franco, R Bermúdez, M A Trindade, Jose M Lorenzo
The effect of natural antioxidants on physicochemical properties, lipid and protein oxidation, volatile compounds and free fatty acids (FFA) were determined in Spanish salchichón enriched with n-3 fatty acids encapsulated and stabilized in konjac matrix. Phenolic compounds of beer residue extract (BRE), chestnut leaves extract (CLE) and peanut skin extract (PSE) were also identified and quantified. Five batches of salchichón were prepared: control (CON, without antioxidants), butylated hydroxytoluene (BHT), BRE, CLE and PSE...
November 5, 2016: Meat Science
https://www.readbyqxmd.com/read/27846444/effect-of-pla-films-containing-propolis-ethanolic-extract-cellulose-nanoparticle-and-ziziphora-clinopodioides-essential-oil-on-chemical-microbial-and-sensory-properties-of-minced-beef
#18
Nassim Shavisi, Ali Khanjari, Afshin Akhondzadeh Basti, Ali Misaghi, Yasser Shahbazi
This study was conducted to examine the effects of polylactic acid (PLA) film containing propolis ethanolic extract (PE), cellulose nanoparticle (CN) and Ziziphora clinopodioides essential oil (ZEO) on chemical, microbial and sensory properties of minced beef during storage at refrigerated temperature for 11days. The initial total volatile base nitrogen (TVB-N) was 8.2mg/100g and after 7days reached to 29.1mg/100g in control, while it was lower than 25mg/100g for treated samples. At the end of storage time in control samples peroxide value (PV) reached to 2...
October 29, 2016: Meat Science
https://www.readbyqxmd.com/read/27835833/an-assessment-of-the-fatty-acid-composition-of-horse-meat-available-at-the-retail-level-in-northern-spain
#19
Xabier Belaunzaran, Paz Lavín, Luis J R Barron, Angel R Mantecón, John K G Kramer, Noelia Aldai
The objective of the present study was to assess the fatty acid composition of horse-meat available at the retail market in northern Spain. Horse steaks (Longissimus thoracis et lumborum muscle; n=82) were purchased from butcher-shops and large grocery stores throughout six northern regions of Spain in two different seasons. Fat content differed significantly among regions (1.12 to 2.77%). Samples with higher intramuscular fat content presented the highest percentages of total monounsaturated fatty acids and the lowest contents of dimethylacetal and polyunsaturated fatty acids (PUFA), while the opposite was found in the leanest samples...
October 29, 2016: Meat Science
https://www.readbyqxmd.com/read/27816853/characterization-of-hemorrhages-in-the-ham-topsides-and-tenderloins-of-slaughter-pigs
#20
Kristine Dich-Jørgensen, Helle Daugaard Larsen, Páll S Leifsson, Henrik Elvang Jensen
The aim of the study was to characterize the different types of muscle hemorrhages in the ham and tenderloin of CO2-stunned slaughter pigs. The distinct types of hemorrhages were characterized according to their distribution and size. The hemorrhages in the ham were multiple, pinpoint hemorrhages predominantly distributed in the caudal part of the muscle. The hemorrhages in the tenderloin were single and circular, located either at the tip or the head. Histologically, three distinct types of hemorrhages were observed...
October 29, 2016: Meat Science
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