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https://www.readbyqxmd.com/read/28923659/corrigendum-to-short-communication-survival-of-vaccinia-virus-in-inoculated-cheeses-during-60-day-ripening-j-dairy-sci-100-7051-7054
#1
Izabelle S Rehfeld, Ana Luiza S Fraiha, Ana Carolina D Matos, Maria Isabel M C Guedes, Erica A Costa, Marcelo R de Souza, Luigi F L Cavalcante, Zélia I P Lobato
No abstract text is available yet for this article.
October 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28923017/within-breed-and-multi-breed-gwas-on-imputed-whole-genome-sequence-variants-reveal-candidate-mutations-affecting-milk-protein-composition-in-dairy-cattle
#2
Marie-Pierre Sanchez, Armelle Govignon-Gion, Pascal Croiseau, Sébastien Fritz, Chris Hozé, Guy Miranda, Patrice Martin, Anne Barbat-Leterrier, Rabia Letaïef, Dominique Rocha, Mickaël Brochard, Mekki Boussaha, Didier Boichard
BACKGROUND: Genome-wide association studies (GWAS) were performed at the sequence level to identify candidate mutations that affect the expression of six major milk proteins in Montbéliarde (MON), Normande (NOR), and Holstein (HOL) dairy cattle. Whey protein (α-lactalbumin and β-lactoglobulin) and casein (αs1, αs2, β, and κ) contents were estimated by mid-infrared (MIR) spectrometry, with medium to high accuracy (0.59 ≤ R(2) ≤ 0.92), for 848,068 test-day milk samples from 156,660 cows in the first three lactations...
September 18, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28922028/analysis-of-aflatoxin-m1-in-breast-milk-and-its-association-with-nutritional-and-socioeconomic-status-of-lactating-mothers-in-lebanon
#3
Jomana Elaridi, Maya Bassil, Joelle Abi Kharma, Farah Daou, Hussein F Hassan
Aflatoxin B1 (AFB1) is the most potent of the dietary aflatoxins, and its major metabolite, aflatoxin M1 (AFM1), is frequently found in the breast milk of lactating mothers. The aim of this study was to assess the occurrence and factors associated with AFM1 contamination of breast milk collected from lactating mothers in Lebanon. A total of 111 breast milk samples were collected according to the guidelines set by the World Health Organization. Samples were analyzed with a competitive enzyme-linked immunosorbent assay between December 2015 and November 2016...
September 18, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28921480/the-biodiversity-of-lactobacillus-spp-from-iranian-raw-milk-motal-cheese-and-antibacterial-evaluation-based-on-bacteriocin-encoding-genes
#4
Fahimeh Azizi, Mohammad B Habibi Najafi, Mohammad R Edalatian Dovom
Lactobacilli, as the largest group of lactic acid bacteria, produce large amounts of antimicrobial metabolites such as organic acids, fatty acids, ammonia, hydrogen peroxide, diacetyl and bacteriocin, which inhibit the growth of pathogenic bacteria and increase shelf life of food. The aim of this study was to identify the Lactobacillus spp. isolated from Iranian raw milk Motal cheese and to detect the presence of bacteriocin genes in the isolated Lactobacillus strains exhibiting antimicrobial activity. For this purpose, 6 Motal cheese samples from Dasht-e-Moghan region, Iran, were subjected to microbial characterization...
September 18, 2017: AMB Express
https://www.readbyqxmd.com/read/28919693/antimicrobial-activity-of-yeasts-against-some-pathogenic-bacteria
#5
Gamal Younis, Amal Awad, Rehab E Dawod, Nehal E Yousef
AIM: This study was designed to isolate and identify yeast species from milk and meat products, and to test their antimicrobial activity against some bacterial species. MATERIALS AND METHODS: A total of 160 milk and meat products samples were collected from random sellers and super markets in New Damietta city, Damietta, Egypt. Samples were subjected to yeast isolation procedures and tested for its antimicrobial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28918154/hot-topic-geographical-distribution-and-strain-diversity-of-lactobacillus-wasatchensis-isolated-from-cheese-with-unwanted-gas-formation
#6
Michele Culumber, Donald J McMahon, Fatih Ortakci, Lauren Montierth, Beatriz Villalba, Jeffery R Broadbent, Craig J Oberg
Lactobacillus wasatchensis, an obligate heterofermentative nonstarter lactic acid bacteria (NSLAB) implicated in causing gas defects in aged cheeses, was originally isolated from an aged Cheddar produced in Logan, Utah. To determine the geographical distribution of this organism, we isolated slow-growing NSLAB from cheeses collected in different regions of the United States, Australia, New Zealand, and Ireland. Seven of the cheeses showed significant gas defects and 12 did not. Nonstarter lactic acid bacteria were isolated from these cheeses on de Man, Rogosa, and Sharpe medium supplemented with ribose, a preferred substrate for Lb...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918151/internal-transcribed-spacer-its-sequencing-reveals-considerable-fungal-diversity-in-dairy-products
#7
A J Buehler, R L Evanowski, N H Martin, K J Boor, M Wiedmann
Fungi are important spoilage organisms in dairy products. However, little is known about the diversity of naturally occurring spoilage fungi in raw milk and processed dairy products, due at least in part to the fact that classical fungal identification methods require considerable expertise. To gain further insight into the fungal diversity in the dairy system, we isolated fungi from raw milk, raw and pasteurized milk cheese, and yogurt using the selective dichloran rose bengal chloramphenicol agar. In total, 361 fungal isolates were obtained and further characterized by DNA sequencing of the internal transcribed spacer (ITS) region and the nuclear ribosomal large subunit (LSU) rRNA gene if needed...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918140/technical-note-feasibility-of-near-infrared-transmittance-spectroscopy-to-predict-cheese-ripeness
#8
S Currò, C L Manuelian, M Penasa, M Cassandro, M De Marchi
The aim of the study was to evaluate the feasibility of near infrared (NIR) transmittance spectroscopy to predict cheese ripeness using the ratio of water-soluble nitrogen (WSN) to total nitrogen (TN) as an index of cheese maturity (WSN/TN). Fifty-two Protected Designation of Origin cow milk cheeses of 5 varieties (Asiago, Grana Padano, Montasio, Parmigiano Reggiano, and Piave) and different ripening times were available for laboratory and chemometric analyses. Reference measures of WSN and TN were matched with cheese spectral information obtained from ground samples by a NIR instrument that operated in transmittance mode for wavelengths from 850 to 1,050 nm...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918139/comparison-of-milk-protein-composition-and-rennet-coagulation-properties-in-native-swedish-dairy-cow-breeds-and-high-yielding-swedish-red-cows
#9
Nina A Poulsen, Maria Glantz, Anette K Rosengaard, Marie Paulsson, Lotte B Larsen
Recent studies have reported a very high frequency of noncoagulating milk in Swedish Red cows. The underlying factors are not fully understood. In this study, we explored rennet-induced coagulation properties and relative protein profiles in milk from native Swedish Mountain and Swedish Red Polled cows and compared them with a subset of noncoagulating (NC) and well-coagulating (WC) milk samples from modern Swedish Red cows. The native breeds displayed a very low prevalence of NC milk and superior milk coagulation properties compared with Swedish Red cows...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918134/crystallization-and-demineralization-phenomena-in-washed-rind-cheese
#10
Gil F Tansman, Paul S Kindstedt, John M Hughes
This report documents an observational study of a high-moisture washed-rind cheese. Three batches of cheese were sampled on a weekly basis for 6 wk and again at wk 10. Center, under-rind, rind, and smear samples were tested for pH, moisture, and selected mineral elements. Powder x-ray diffractometry and petrographic microscopy were applied to identify and image the crystal phases. The pH of the rind increased by over 2 pH units by wk 10. The pH of the under-rind increased but remained below the rind pH, whereas the center pH decreased for most of aging and only began to rise after wk 5...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28916574/systematic-review-of-the-gastrointestinal-effects-of-a1-compared-with-a2-%C3%AE-casein
#11
REVIEW
Simon Brooke-Taylor, Karen Dwyer, Keith Woodford, Natalya Kost
This is the first systematic review, to our knowledge, of published studies investigating the gastrointestinal effects of A1-type bovine β-casein (A1) compared with A2-type bovine β-casein (A2). The review is relevant to nutrition practice given the increasing availability and promotion in a range of countries of dairy products free of A1 for both infant and adult nutrition. In vitro and in vivo studies (all species) were included. In vivo studies were limited to oral consumption. Inclusion criteria encompassed all English-language primary research studies, but not reviews, involving milk, fresh-milk products, β-casein, and β-casomorphins published through 12 April 2017...
September 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28916044/antibiotic-affinity-strategy-for-bioluminescent-detection-of-viable-gram-positive-bacteria-using-daptomycin-as-recognition-agent
#12
Mengyao Wang, Yue Wu, Yong He, Xiaoxiao Su, Hui Ouyang, Zhifeng Fu
A bioluminescent method was proposed for rapid detection of viable Gram-positive bacteria based on a novel antibiotic-affinity strategy on a magnetic beads (MBs) platform. Daptomycin, a highly efficient lipopeptide antibiotic for Gram-positive bacteria, was used as a recognition agent to functionalize MBs. The daptomycin-functionalized MBs showed high capture and concentration efficiency for Gram-positive bacteria due to the strong binding between daptomycin and bacterial cell membrane in the presence of Ca(2+) ion...
September 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28913823/dietary-patterns-as-a-red-flag-for-higher-risk-of-eating-disorders-among-female-teenagers-with-and-without-type-i-diabetes-mellitus-adolescents-with-type-i-diabetes-mellitus-are-a-risk-factor-for-eating-disorders-a-case-control-study
#13
Ruth Bartelli Grigolon, Karin Louise Lenz Dunker, Mireille Coelho Almeida, Denise Claudino Achôa, Angélica Medeiros Claudino
BACKGROUND: Female adolescents with type I diabetes mellitus (TIDM) have an increased risk of developing eating disorders (ED) due to the dietary recommendations. OBJECTIVE: Investigate the association between dietary intake and increased risk of ED. METHODS: Case-control study with 50 T1DM female adolescents (11-16 years) and 100 healthy peers (CG). Measures included food frequency questionnaire (FFQ-PP), Child-EDE.12, economic and anthropometric data...
September 14, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28906156/canadian-consumer-food-safety-practices-and-knowledge-foodbook-study
#14
Regan Murray, Shiona Glass-Kaastra, Christine Gardhouse, Barbara Marshall, Nadia Ciampa, Kristyn Franklin, Matt Hurst, M Kate Thomas, Andrea Nesbitt
Understanding consumers' food safety practices and knowledge supports food safety education for the prevention of foodborne illness. The objective of this study was to describe Canadian consumer food safety practices and knowledge. This study identifies demographic groups for targeted food safety education messaging and establishes a baseline measurement to assess the effectiveness of food safety interventions over time. Questions regarding consumer food safety practices and knowledge were included in a population-based telephone survey, Foodbook, conducted from November 2014 to March 2015...
September 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28904848/aflatoxin-m1-contamination-levels-in-cheeses-sold-in-isfahan-province-iran
#15
Ali Sharifzadeh, Payam Ghasemi-Dehkordi, Mohsen Foroughi, Elham Mardanpour-Shahrekordi, Shahin Ramazi
OBJECTIVES: Aflatoxin M1 (AFM1)-contaminated dairy products pose serious human health risks, causing liver and renal failure if consumed. They are also related to decreased milk and egg production in infected animals. This study investigated the AFM1 contamination levels in cheeses sold in Isfahan province, Iran, by enzyme-linked immunosorbent assay (ELISA). METHODS: A total of 100 white cheese samples were randomly collected from supermarkets in Isfahan province and after extraction using dichloromethane were prepared for the ELISA...
August 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28903832/validation-of-modifications-to-the-ansr-for-listeria-method-for-improved-internal-positive-control-performance
#16
Susan Alles, Evan Meister, Edan Hosking, Eric Tovar, Rebecca Shaulis, Mark Schonfeld, Lei Zhang, Lin Li, Preetha Biswas, Mark Mozola, Robert Donofrio
A study was conducted to validate a minor reagent formulation change to the ANSR for Listeria method, Performance Tested Method(SM) 101202. This change involves increasing the master mix volume prelyophilization by 40% and addition of salmon sperm DNA (nontarget DNA) to the master mix. These changes improve the robustness of the internal positive control response and reduce the possibility of obtaining invalid results due to weak-positive control curves. When three foods (hot dogs, Mexican-style cheese, and cantaloupe) and sponge samples taken from a stainless steel surface were tested, no significant differences in performance between the ANSR and U...
September 14, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28902217/a-bifunctional-old-yellow-enzyme-from-penicillium-roqueforti-is-involved-in-ergot-alkaloid-biosynthesis
#17
Nina Gerhards, Shu-Ming Li
The blue cheese-making fungus Penicillium roqueforti produces isofumigaclavine A as the main ergot alkaloid. Recently, genome mining revealed the presence of two DNA loci bearing the genetic potential for its biosynthesis. In this study, a short-chain dehydrogenase/reductase (SDR) from one of the loci was proved to be responsible for the conversion of chanoclavine-I to its aldehyde. Furthermore, a putative gene coding for an enzyme with high homology to Old Yellow Enzymes (OYEs) involved in the ergot alkaloid biosynthesis was found outside the two clusters...
September 13, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28898575/green-and-sustainable-route-to-carbohydrate-vinyl-ethers-for-accessing-bio-inspired-materials-with-a-unique-microspherical-morphology
#18
Konstantin Rodygin, Irina Werner, Valentine P Ananikov
Synthesizing chemicals and materials based on renewable sources is one of the main tasks of modern science. Carbohydrates represent excellent renewable natural raw materials, that are eco-friendly, inexpensive and biologically compatible. Herein, we developed a green vinylation procedure for carbohydrates using readily available calcium carbide. Various carbohydrates were utilized as starting materials resulting in mono-, di- and tetra-vinyl ethers in high to excellent yields (81-92 %). The synthesized bio-based vinyl ethers were utilized as monomers in free radical and cationic polymerizations...
September 12, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28883140/draft-genome-sequences-of-listeria-monocytogenes-strains-from-listeriosis-outbreaks-linked-to-soft-cheese-in-washington-state
#19
Zhen Li, Paula A Marsland, Roxanne T Meek, Kaye Eckmann, Marc W Allard, Ailyn C Pérez-Osorio
Listeria monocytogenes has caused listeriosis outbreaks linked to soft cheese. Here, we report the draft genome sequences of seven L. monocytogenes isolates from two possibly related outbreaks caused by soft cheese products in Washington State.
September 7, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28875322/application-of-in-plant-control-measures-in-some-egyptian-micro-scale-dairy-enterprises-and-its-impact-on-heavy-metal-contents-of-their-products
#20
Magda Magdy Abd El-Salam, Mohamed F Farahat, Gaber I Abu-Zuid, Samia G Saad
Egypt is encouraging micro-scale enterprises as proved to be one of the most important reasons of economic growth. Most of the annual milk production is processed in micro-scale dairy enterprises located in squatter areas with high health risks and negative environmental impact. The aim of this study was to assess the effectiveness of in-plant control measures in controlling lead and cadmium levels in dairy products from nine Egyptian micro-scale enterprises. The results revealed that white cheese enterprises had the highest mean lead and cadmium contents; both in their raw milk (0...
September 5, 2017: Environmental Monitoring and Assessment
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