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https://www.readbyqxmd.com/read/29223015/thiamine-accumulation-and-thiamine-triphosphate-decline-occur-in-parallel-with-atp-exhaustion-during-postmortem-aging-of-pork-muscles
#1
S Muroya, M Oe, K Ojima
We aimed to clarify the mechanisms affecting postmortem thiamine and its phosphoester contents in major edible pork muscles, namely the longissimus lumborum (LL) in addition to vastus intermedius (VI). Metabolomic analysis by capillary electrophoresis-time of flight mass spectrometry revealed that the level of thiamine triphosphate (ThTP), approximately 1.8-fold higher in LL than in VI muscle at 0h postmortem, declined in the first 24h, resulting in an undetectable level at 168h postmortem in both muscles. In contrast, the thiamine content in both muscles increased after 24h postmortem during the aging process...
December 2, 2017: Meat Science
https://www.readbyqxmd.com/read/29218859/looking-for-new-approaches-for-the-use-of-serology-in-the-context-of-control-programmes-against-pig-salmonellosis
#2
R C Mainar-Jaime, A Casanova-Higes, S Andrés-Barranco, J P Vico
Most swine Salmonella national control programmes in Europe have been based on the categorization of herds according to risk levels based on serological results. However, none of the non-Scandinavian countries have reported of any significant success on Salmonella infection reduction in fattening pigs or the number of human cases attributable to pigs or pork. The limited accuracy of the tests used, the small number of animals sampled and the likely lack of herd representativeness of the samples used could be major factors affecting the suitability of these programmes...
December 8, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29209306/ctx-m-15-producing-e-coli-isolates-from-food-products-in-germany-are-mainly-associated-with-an-incf-type-plasmid-and-belong-to-two-predominant-clonal-e-coli-lineages
#3
Alexandra Irrgang, Linda Falgenhauer, Jennie Fischer, Hiren Ghosh, Elisabet Guiral, Beatriz Guerra, Silvia Schmoger, Can Imirzalioglu, Trinad Chakraborty, Jens A Hammerl, Annemarie Käsbohrer
Extended-spectrum beta-lactamases (ESBL) mediating resistance to 3rd generation cephalosporins are a major public health issue. As food may be a vehicle in the spread of ESLB-producing bacteria, a study on the occurrence of cephalosporin-resistantu Escherichia coli in food was initiated. A total of 404 ESBL-producing isolates were obtained from animal-derived food samples (e.g., poultry products, pork, beef and raw milk) between 2011 and 2013. As CTX-M-15 is the most abundant enzyme in ESBL-producing E. coli causing human infections, this study focusses on E...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29209285/reduction-of-salmonella-shedding-by-sows-during-gestation-in-relation-to-its-fecal-microbiome
#4
Guillaume Larivière-Gauthier, Alexandre Thibodeau, Ann Letellier, Étienne Yergeau, Philippe Fravalo
Pork meat is estimated to be responsible for 10-20% of human salmonellosis cases in Europe. Control strategies at the farm could reduce contamination at the slaughterhouse. One of the targeted sectors of production is maternity, where sows could be Salmonella reservoirs. The aim of this study was to assess the dynamics of shedding of Salmonella in terms of variation in both shedding prevalence and strains excreted during gestation in Quebec's maternity sector. The evolution of the fecal microbiota of these sows during gestation was also assessed to detect bacterial populations associated with these variations...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29207846/tiny-creature-in-oral-cavity-a-case-report
#5
Cheena Singh, M Parvathi Devi, Kamal Sagar
Oral cavity is nidus of much pathology. Some may arise due to altered eating habits such as meat, uncooked food etc. The parasitic infections arising from ingesting uncooked pork (larva of pork tapeworm) called as cysticercosis and being undiagnosed lead to "diagnostic dilemma". Herein we report a case of cysticercosis involving the right dorsum of tongue along with review of literature.
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29202184/consideration-of-insects-as-a-source-of-dietary-protein-for-human-consumption
#6
Tyler A Churchward-Venne, Philippe J M Pinckaers, Joop J A van Loon, Luc J C van Loon
Consumption of sufficient dietary protein is fundamental to muscle mass maintenance and overall health. Conventional animal-based protein sources such as meat (ie, beef, pork, lamb), poultry, fish, eggs, and dairy are generally considered high-quality sources of dietary protein because they meet all of the indispensable amino-acid requirements for humans and are highly digestible. However, the production of sufficient amounts of conventional animal-based protein to meet future global food demands represents a challenge...
November 30, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29197768/consumer-sensory-and-hedonic-perception-of-sheep-meat-coppa-under-blind-and-informed-conditions
#7
Juliana Cunha de Andrade, Elen Silveira Nalério, Citieli Giongo, Marcia Dutra de Barcellos, Gastón Ares, Rosires Deliza
The development of air-dried cured sheep meat products represents an interesting option to add value to the meat of adult animals. In this context, the aim of the present study was to evaluate consumer sensory and hedonic perception of sheep meat coppa, an innovative product. Four sheep meat coppa samples were formulated by varying smoking (smoked vs. non-smoked) and salt content (4.5% vs. 3.4%), and compared with two commercial samples of regular pork meat coppa. Samples were evaluated under blind or informed conditions by 202 consumers, who had to rate their liking and to answer a check-all-that-apply question...
November 22, 2017: Meat Science
https://www.readbyqxmd.com/read/29197767/the-effects-of-sodium-chloride-and-pse-meat-on-restructured-cured-smoked-pork-loin-quality-a-response-surface-methodology-study
#8
Gabriela de Barros Silva Haddad, Ana Paula Rocha Moura, Paulo Rogério Fontes, Simone de Fatima Viana da Cunha, Alcinéia de Lemos Souza Ramos, Eduardo Mendes Ramos
The effects of the PSE meat proportion (0 to 100%) and sodium chloride contents (0 to 2%) on technological and saltiness of restructured cured-smoked pork loins were investigated by using response surface methodology (RSM). Lipid oxidation, pH values and reheating loss of the products were most affected by the proportion of PSE meat, while the salt concentration mainly affected the water activity, expressible moisture values, hardness, chewiness and sliceability of the products. Perception of the salt flavor increased with the addition of salt and proportion of PSE meat in the elaborated products, where the addition of 0...
November 24, 2017: Meat Science
https://www.readbyqxmd.com/read/29197764/impact-of-reducing-nitrate-nitrite-levels-on-the-behavior-of-salmonella-typhimurium-and-listeria-monocytogenes-in-french-dry-fermented-sausages
#9
Souad Christieans, Laurent Picgirard, Emilie Parafita, André Lebert, Thierry Gregori
Salmonella and Listeria monocytogenes are two pathogenic bacteria that most frequently contaminate pork meat. In dry fermented sausages, several hurdles are used for controlling bacterial growth such as nitrite and salt addition. In Europe, practices consist of adding potassium nitrate (250ppm expressed as NaNO3) or a combination of nitrate/nitrite (150/150ppm expressed as NaNO3/NaNO2 respectively). However, involvement of these additives in nitrosamine formation is a matter of concern. Consequently, a decrease in nitrite/nitrate amounts is proposed...
November 22, 2017: Meat Science
https://www.readbyqxmd.com/read/29196004/anti-inflammatory-effect-of-dietary-pork-extract-on-proliferation-and-cytokine-secretion-using-mouse-primary-splenocytes
#10
Hye-Jin Kim, Dongwook Kim, Mooha Lee, Aera Jang
The anti-inflammatory effects of boiled pork meat (BPM) and hot water extracts of pork meat (WPM) on splenocyte proliferation and T cell cytokine regulation in BALB/c mice were evaluated. The proliferation of splenocytes in high concentration WPM groups was significantly higher than the control stimulated by LPS and Con A. In the white blood cells, WPM groups had significantly higher counts of lymphocytes and lower counts of neutrophils than the control (p<0.05). The Th1 (IFN-γ, TNF-α, IL-2) and Th2 (IL-4, IL-5, IL-10) cytokine levels in high-concentration WPM groups were higher than those in the control...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29195938/technological-aspects-of-horse-meat-products-a-review
#11
REVIEW
José M Lorenzo, Paulo E S Munekata, Paulo Cezar Bastianello Campagnol, Zhenzhou Zhu, Hami Alpas, Francisco J Barba, Igor Tomasevic
Horse meat and its products can be considered as a food with a high nutritional value. However, due to cases of economically motivated food adulteration by the intentional addition of horse meat beef products in recent years, horse meat has become a controversial issue. Consumer confidence in meat products and the meat industry has diminished, although consumers consider the differences between the food content and the label as the major issue rather than the safety and nutritional characteristics of horse meat...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29186182/identification-of-a-novel-linear-b-cell-epitope-in-nonstructural-protein-11-of-porcine-reproductive-and-respiratory-syndrome-virus-that-are-conserved-in-both-genotypes
#12
Nan Jiang, Huan Jin, Yi Li, Xinna Ge, Jun Han, Xin Guo, Lei Zhou, Hanchun Yang
Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the most economically important pathogens, that hinder the development of global pork industry. Its nonstructural protein 11 (nsp11), with the nidoviral uridylate-specific endoribonuclease (NendoU) domain, is essential for PRRSV genome replication and it also contributes to host innate immunity suppression. However, the immunogenicity and immune structure of PRRSV nsp11 have not been well investigated yet. In this study, a monoclonal antibody (mAb), designated 3F9, that against nsp11 was generated...
2017: PloS One
https://www.readbyqxmd.com/read/29184238/effect-of-natural-antioxidants-on-physicochemical-properties-and-lipid-stability-of-pork-liver-p%C3%A3-t%C3%A3-manufactured-with-healthy-oils-during-refrigerated-storage
#13
Paulo Eduardo Sichetti Munekata, Rubén Domínguez, Paulo Cezar Bastianello Campagnol, Daniel Franco, Marco Antonio Trindade, José Manuel Lorenzo
This study aimed to evaluate the effect of natural antioxidants in pork liver pâté manufactured with the combination of pork backfat, fish oil and olive oil. Phenolic composition of beer residue extract (BRE), chestnut leaves extract (CLE) and peanut skin extract (PSE) were identified and quantified. Four batches of pork liver pâté were produced: control, BRE, CLE and PSE. Pork liver pâté was evaluated for proximate composition, pH, instrumental colour, free fatty acid content, lipid-derived volatile compounds and lipid oxidation...
December 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29183385/an-investigation-into-aflatoxin-m-1-in-slaughtered-fattening-pigs-and-awareness-of-aflatoxins-in-vietnam
#14
Hu Suk Lee, Johanna Lindahl, Hung Nguyen-Viet, Nguyen Viet Khong, Vuong Bui Nghia, Huyen Nguyen Xuan, Delia Grace
BACKGROUND: Aflatoxin M1 (AFM1) is a hydroxylated metabolite formed after aflatoxin B1 (AFB1) is consumed by humans and animals; it can be detected in urine, milk and blood. It is well recognized that AFB1 is toxic to humans and other animals. The International Agency for Research on Cancer (IARC) classifies aflatoxins as group 1 carcinogens and AFM1 as group 2B carcinogen. The main objective of this study was to evaluate the exposure of pigs to aflatoxins as well as to assess the public awareness of aflatoxins among people in five provinces in Vietnam...
November 28, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29179030/efficacy-of-species-specific-probiotic-pediococcus-acidilactici-ft28-on-blood-biochemical-profile-carcass-traits-and-physicochemical-properties-of-meat-in-fattening-pigs
#15
Runjun Dowarah, Ashok Kumar Verma, Neeta Agarwal, Putan Singh
The present study investigates the influence of supplementing Pediococcus acidilactici strain FT28 on serum biochemistry, carcass and physicochemical properties of meat in fattening pigs. A total of 36 piglets (28day) were randomly divided into three groups of four replicates of three animals in each. Each group was fed one of the experimental diet as basal diet alone (Control-T0); basal diet supplemented with Pediococcus acidilactici strain FT28 (swine origin probiotic-T1) and basal diet supplemented with Lactobacillus acidophilus NCDC-15 (dairy origin probiotic-T2)...
November 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29175766/estimation-of-pork-quality-in-live-pigs-using-biopsied-muscle-fibre-number-composition
#16
Jun-Mo Kim, Kyu-Sang Lim, Kyung-Bo Ko, Youn-Chul Ryu
Here, we newly provided the parameters for estimating meat quality in live pigs using the muscle biopsy. The biopsied longissimus thoracis muscle was used to identify the muscle fibre characteristics (MFCs). Of the various MFCs in biopsied muscle, muscle fibre number (MFN) composition showed the greatest correlation with the MFCs in postmortem muscle (P<0.001). Moreover, the pigs cluster groups, based on the biopsied MFN composition, demonstrated statistically significant differences in meat quality traits such as muscle pH, drip loss, and meat colour (P<0...
November 20, 2017: Meat Science
https://www.readbyqxmd.com/read/29173627/correlation-between-slaughter-practices-and-the-distribution-of-salmonella-and-hygiene-indicator-bacteria-on-pig-carcasses-during-slaughter
#17
W Biasino, L De Zutter, W Mattheus, S Bertrand, M Uyttendaele, I Van Damme
This study investigated the distribution of hygiene indicator bacteria and Salmonella on pig carcasses. Moreover, the relation between hygiene indicator counts and Salmonella presence as well as associations between specific slaughter practices and carcass contamination were determined for each carcass area. Seven Belgian pig slaughterhouses were visited three times to swab five randomly selected carcasses at nine different areas, after evisceration and trimming. Information about slaughter practices was collected using a questionaire...
April 2018: Food Microbiology
https://www.readbyqxmd.com/read/29170739/market-impacts-of-reducing-the-prevalence-of-bovine-respiratory-disease-in-united-states-beef-cattle-feedlots
#18
Kamina Keiko Johnson, Dustin L Pendell
Bovine respiratory disease (BRD) is a common endemic disease among North American feedlot cattle. BRD can lead to significant economic losses for individual beef cattle feedlot producers through mortality and morbidity. With promising new management and technology research that could reduce BRD prevalence, this study evaluates the potential impacts of a reduction of BRD in the US beef cattle feedlot sector. Using a multi-market, multi-commodity partial equilibrium economic model of the US agricultural industry, we evaluate the market impacts of reduced BRD to producers from various livestock, meat, and feedstuffs industries...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29169372/association-between-diet-and-gallstones-of-cholesterol-and-pigment-among-patients-with-cholecystectomy-a-case-control-study-in-korea
#19
Yongsoon Park, Doyeon Kim, Ju Seon Lee, Yu Na Kim, Yoon Kyung Jeong, Kyeong Geun Lee, Dongho Choi
BACKGROUND: The prevalence of cholesterol gallstones is high in Western populations, while pigment gallstones are common in Asian populations. Dietary factors are suggested to be associated with gallstone risk, but their relationship with gallstone type has not been evaluated. This study investigated the association between diet and risk of cholesterol gallstone or pigment gallstone in a Korean population whose dietary pattern and type of gallstone were changed during the last 30 years...
November 23, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/29168191/genetic-variants-in-il15-promoter-affect-transcription-activity-and-intramuscular-fat-deposition-in-longissimus-dorsi-muscle-of-pigs
#20
D He, Z Jiang, Y Tian, H Han, M Xia, W Wei, L Zhang, J Chen
Intramuscular fat (IMF) content is a key aspect of pork quality. Elucidation of intramuscular adipocyte regulation mechanisms is important for improving IMF content. Intramuscular adipocytes are dispersed among muscle fibers, so they are inclined to be affected by muscle-derived factors. Interleukin-15 is a major muscle-secreted factor. In this study, the genetic and physiological impacts of IL15 on adipogenesis is investigated. The promoter region of IL15 was scanned by comparative sequencing using two DNA pools of high- and low-IMF individuals...
November 22, 2017: Animal Genetics
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