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https://www.readbyqxmd.com/read/28550782/immunofluorescence-evaluation-of-4-hydroxynonenal-and-8-hydroxy-2-deoxyguanosine-activation-in-zebrafish-daino-rerio-larvae-brain-exposed-microinjected-to-propyl-gallate
#1
Ahmet Topal, Selim Çomakli, Mustafa Özkaraca, Alper Baran, Mine Köktürk, Veysel Parlak, Yavuz Selim Sağlam, Muhammed Atamanalp, Saltuk Buğrahan Ceyhun
Propyl gallate (PG) is a chemical compound obtained by esterification of propanol with gallic acid. Due to its antioxidative properties, it is widely used in cosmetics and pharmaceutical industries as well as to protect the oils in foods such as butter, milk-based desserts, chewing gum, mayonnaise, meat, soups, cereals, spices and seasonings from rancidity. This study has been designed to assessment 8-OHdG and 4-HNE activity, and histopathological changes in the brain tissues of zebrafish larvae, which is a lecithotrophic organism, after 96 h of PG exposure via microinjecting to yolk sac of embryo...
May 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28547842/a-rapid-analytical-method-of-major-milk-proteins-by%C3%A2-reversed-phase-high-performance-liquid-chromatography
#2
Lu Ma, Yongxin Yang, Jingting Chen, Jiaqi Wang, Dengpan Bu
A reversed-phase high-performance liquid chromatography (RP-HPLC) method with rapid and automated analysis, good separation, high resolution, high accuracy and reproducible results was successfully developed and used to separate and quantify the major cow milk proteins within 30 min analytical time. Standard solutions of single purified cow milk proteins were used to develop calibration equations. The RP-HPLC method was validated with respect to intra-day repeatability, inter-day precision, linearity, accuracy and limit of detection (LOD)...
May 26, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28540709/rapd-scar-approaches-for-identification-of-adulterant-breeds-milk-in-dairy-products
#3
Joana T Cunha, Lucília Domingues
Food safety and quality are nowadays a major consumers' concern. In the dairy industry the fraudulent addition of cheaper/lower-quality milks from nonlegitimate species/breeds compromises the quality and value of the final product. Despite the already existing approaches for identification of the species origin of milk, there is little information regarding differentiation at an intra-species level. In this protocol we describe a low-cost, sensitive, fast, and reliable analytical technique-Random Amplified Polymorphic DNA/Sequence Characterized Amplified Region (RAPD/SCAR)-capable of an efficient detection of adulterant breeds in milk mixtures used for fraudulent manufacturing of dairy products and suitable for the detection of milk adulteration in processed dairy foods...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28537817/the-action-of-probiotic-microorganisms-on-chemical-contaminants-in-milk
#4
Katia Francine Wochner, Tânia Aparecida Becker-Algeri, Eliane Colla, Eliana Badiale-Furlong, Deisy Alessandra Drunkler
Consumption of milk and its derivatives is an important food habit in the diet of all age groups. However, there has been increasing concern about physical, biological (pathogenic or spoilage microorganisms) and chemical (metals, pesticides and mycotoxins) contaminants in milk and dairy products. Considering the high levels of consumption, it is important that milk and dairy products are free from toxic compounds. Microbial degradation as a strategy for chemical decontamination is an emerging biotechnological approach that is considered a safe and inexpensive practice...
May 24, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28535747/in-vitro-assessment-of-pediococcus-acidilactici-kp10-for-its-potential-use-in-the-food-industry
#5
Sahar Abbasiliasi, Joo Shun Tan, Fatemeh Bashokouh, Tengku Azmi Tengku Ibrahim, Shuhaimi Mustafa, Faezeh Vakhshiteh, Subhashini Sivasamboo, Arbakariya B Ariff
BACKGROUND: Selection of a microbial strain for the incorporation into food products requires in vitro and in vivo evaluations. A bacteriocin-producing lactic acid bacterium (LAB), Pediococcus acidilactici Kp10, isolated from a traditional dried curd was assessed in vitro for its beneficial properties as a potential probiotic and starter culture. The inhibitory spectra of the bacterial strain against different gram-positive and gram-negative bacteria, its cell surface hydrophobicity and resistance to phenol, its haemolytic, amylolytic and proteolytic activities, ability to produce acid and coagulate milk together with its enzymatic characteristics and adhesion property were all evaluated in vitro...
May 23, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28530587/trace-elements-in-raw-milk-of-buffaloes-bubalus-bubalis-from-campania-italy
#6
Mauro Esposito, Oto Miedico, Stefania Cavallo, Roberta Pellicanò, Guido Rosato, Loredana Baldi, A Eugenio Chiaravalle
The profile of 18 trace elements was traced in 68 milk samples collected from buffalo farms in the territory known as the "Land of Fires" in the Campania region (Italy). This area has been polluted by the illegal dumping in fields of industrial or domestic waste, wich is sometimes then burned spreading toxic contaminants. Milk from buffaloes raised on rural farms might be a good indicator of environmental contamination risk in the human food chain. Trace element analysis in milk was performed using mass spectrometry...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28527801/genetic-and-nongenetic-factors-contributing-to-differences-in-%C3%AE-s-casein-phosphorylation-isoforms-and-other-major-milk-proteins
#7
Z H Fang, H Bovenhuis, A Delacroix-Buchet, G Miranda, D Boichard, M H P W Visker, P Martin
Relative concentrations of αS-casein (αS-CN) phosphorylation isoforms vary considerably among milk of individual cows. We aimed to explore to what extent genetic and other factors contribute to the variation in relative concentrations of αS-CN phosphorylation isoforms and the phosphorylation degree of αS-CN defined as the proportion of isoforms with higher degrees of phosphorylation. We also investigated the associations of genetic variants of milk proteins and casein haplotypes with relative concentrations of αS-CN phosphorylation isoforms and with the phosphorylation degree of αS-CN in French Montbéliarde cattle from the cheese production area of Franche-Comté...
May 17, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28526454/generation-and-characterization-of-caprine-chymosin-in-corn-seed
#8
Wen-Guo Liu, Yun-Peng Wang, Zhi-Jun Zhang, Min Wang, Qing-Xue Lv, Hong-Wei Liu, Ling-Cong Meng, Ming Lu
Chymosin is widely used in the dairy industry, and much is produced through recombinant DNA in organisms such as bacteria and tobacco. In this study, we used a new transgenic method to express caprine chymosin in corn seeds with lower cost and better storage capability. The recombinant chymosin protein was successfully expressed at an average level of 0.37 mg/g dry weight, which is 0.27% of the total soluble protein in the corn seed. Prochymosin can be activated to produce a chymosin protein with the ability to induce clotting in milk, similar to the commercial protein...
May 16, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28515656/isolation-and-characterization-of-listeria-phages-for-control-of-growth-of-listeria-monocytogenes-in-milk
#9
Sunhee Lee, Min Gon Kim, Hee Soo Lee, Sunhak Heo, Mirae Kwon, GeunBae Kim
In this study, two Listeria bacteriophages, LMP1 and LMP7, were isolated from chicken feces as a means of biocontrol of L. monocytogenes. Both bacteriophages had a lytic effect on L. monocytogenes ATCC 7644, 15313, 19114, and 19115. Phages LMP1 and LMP7 were able to inhibit the growth of L. monocytogenes ATCC 7644 and 19114 in tryptic soy broth at 10°C and 30°C. Nevertheless, LMP1 was more effective than LMP7 at inhibiting L. monocytogenes ATCC 19114. On the contrary, LMP7 was more effective than LMP1 at inhibiting L...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28512690/translational-studies-on-a-ready-to-use-intramuscular-injection-of-penethamate-for-bovine-mastitis
#10
I G Tucker, R Jain, F Alawi, K Nanjan, O Bork
Bovine mastitis caused by bacterial infections of the mammary gland (udder) of dairy cows is a costly pathology for the dairy industry due to direct and indirect losses in production. Penethamate, a pro-drug of benzylpenicillin, is used by intramuscular injection (IM). The existing products are powders which must be reconstituted in water-for-injection and this presents difficulties in the field. Penethamate is too unstable to be formulated as an aqueous formulation but a chemically stable suspension formulation was possible in certain oils; however, some literature suggests that such formulations would have unacceptable prolonged release...
May 16, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28507308/barriers-to-breastfeeding-in-lebanon-a-policy-analysis
#11
Chaza Akik, Hala Ghattas, Suzanne Filteau, Cecile Knai
Although the issue of breastfeeding in Lebanon has risen on the political agenda, the country does not meet international recommendations for early breastfeeding practices. This study analysed barriers to dissemination, implementation, and enforcement of key policies to improve early breastfeeding practices. We conducted interviews with stakeholders in breastfeeding policy in Lebanon and used a framework approach for analysing data. We found a disconnect between policy endorsement and translation on the ground, weak engagement of professional associations and governmental institutions, undue influence by the breast milk substitute industry, and competing priorities-most notably the current refugee crisis...
May 15, 2017: Journal of Public Health Policy
https://www.readbyqxmd.com/read/28501165/a-portable-somatic-cell-counter-based-on-a-multi-functional-counting-chamber-and-a-miniaturized-fluorescence-microscope
#12
Byeongyeon Kim, Yu Jin Lee, Jong Gwan Park, Dongwon Yoo, Young Ki Hahn, Sungyoung Choi
A somatic cell count is the concentration or density of somatic cells in milk, and is an important indicator for monitoring mastitis incidence and milk quality in the dairy industry. Managing and controlling mastitis based on somatic cell counts can help ensure high milk quality and yield. A major challenge when translating existing cell counting methods to such application is that they require off-chip sample preparation and complicated sample and reagent delivery steps that cannot be easily performed in resource-limited settings such as dairy farms...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28493294/commercial-mineral-enhanced-dairy-by-products-as-sodium-replacers-antioxidants-and-calcium-fortifiers-in-sausages
#13
Anne Maren Engeloug, Gu Yi, Bjørg Egelandsdal, Anna Haug, Berit Nordvi
Sausages are perceived as high in Na and with a too high Na:K ratio. Frankfurter type sausages are regarded as important contributors of sodium in the diet and thereby of health risks. Surplus products from the dairy industry are various mineral powders enriched in either potassium, calcium, or phosphate and include various amounts of lactose. Sausages were produced at 3 sodium levels (equivalent to 13, 15, and 17 g NaCl/kg sausage) using 4 different milk ingredients (a dried skimmed milk powder, a calcium enriched milk powder, a potassium enriched powder, and a lactose enriched powder)...
May 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28490081/qualitative-and-quantitative-analysis-of-milk-for-the-detection-of-adulteration-by-laser-induced-breakdown-spectroscopy-libs
#14
S Moncayo, S Manzoor, J D Rosales, J Anzano, J O Caceres
The present work focuses on the development of a fast and cost effective method based on Laser Induced Breakdown Spectroscopy (LIBS) to the quality control, traceability and detection of adulteration in milk. Two adulteration cases have been studied; a qualitative analysis for the discrimination between different milk blends and quantification of melamine in adulterated toddler milk powder. Principal Component Analysis (PCA) and neural networks (NN) have been used to analyze LIBS spectra obtaining a correct classification rate of 98% with a 100% of robustness...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28482457/nutrient-losses-and-greenhouse-gas-emissions-from-dairy-production-in-china-lessons-learned-from-historical-changes-and-regional-differences
#15
Nannan Zhang, Zhaohai Bai, Jiafa Luo, Stewart Ledgard, Zhiguo Wu, Lin Ma
The dairy industry in China was rapidly expanded and intensified from 1980 to 2010, engendering potential long-term impacts on the environment and natural resources. However, impacts of dairy intensification on nitrogen (N) and phosphorus (P) losses and greenhouse gas (GHG) emissions were unknown. This study was undertaken to examine these relations using the NUtrient flows in Food chains, Environment and Resources use (NUFER)-dairy model. Results showed that milk yield increased by 64% from 1980 to 2010 on average, and the use of concentrate feeds increased by 57% associated with a shift of production from traditional and grassland systems to collective and industrialized systems...
May 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28465826/effects-of-saccharomyces-cerevisiae-fermentation-products-on-performance-and-rumen-fermentation-and-microbiota-in-dairy-cows-fed-a-diet-containing-low-quality-forage
#16
Wen Zhu, Zihai Wei, Ningning Xu, Fan Yang, Ilkyu Yoon, Yihua Chung, Jianxin Liu, Jiakun Wang
BACKGROUND: A possible option to meet the increased demand of forage for dairy industry is to use the agricultural by-products, such as corn stover. However, nutritional value of crop residues is low and we have been seeking technologies to improve the value. A feeding trial was performed to evaluate the effects of four levels of Saccharomyces cerevisiae fermentation product (SCFP; Original XP; Diamond V) on lactation performance and rumen fermentation in mid-lactation Holstein dairy cows fed a diet containing low-quality forage...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28460937/difference-thresholds-for-added-sugar-in-chocolate-flavoured-milk-recommendations-for-gradual-sugar-reduction
#17
Denize Oliveira, Felipe Reis, Rosires Deliza, Amauri Rosenthal, Ana Giménez, Gastón Ares
Reducing the concentration of added sugar in processed foods is one of the most realistic strategies to reduce the intake of this nutrient in the short-term. In order to be effective, gradual sugar reduction strategies need to determine the maximum sugar reduction that can be unnoticed by consumers. In this context, the present work aimed at providing recommendations for gradual sugar reduction in chocolate-flavoured milk by determining difference thresholds for added sugar and evaluating consumers' sensory and hedonic perception of reduced-sugar products...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28459616/effect-of-water-activity-on-the-thermal-tolerance-and-survival-of-salmonella-enterica-serovars-tennessee-and-senftenberg-in-goat-s-milk-caramel
#18
Oscar Acosta, Jessie Usaga, John J Churey, Randy W Worobo, Olga I Padilla-Zakour
The low thermal tolerance of Salmonella enterica in foods with intermediate moisture levels, such as caramel sauces, ensures that mild heat treatment is sufficient to achieve 5-log reductions of this pathogen. This treatment mitigates the risk posed by salmonellae in raw materials; however, recontamination might occur because of survival of the pathogen in products that are not heated before consumption. This study was conducted to evaluate the effect of water activity (aw) on the thermal tolerance and survival of S...
May 1, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28457550/effects-of-rare-sugar-d-allulose-on-acid-production-and-probiotic-activities-of-dairy-lactic-acid-bacteria
#19
H Kimoto-Nira, N Moriya, S Hayakawa, K Kuramasu, H Ohmori, S Yamasaki, M Ogawa
It has recently been reported that the rare sugar d-allulose has beneficial effects, including the suppression of postprandial blood glucose elevation in humans, and can be substituted for sucrose as a low-calorie food ingredient. To examine the applications of d-allulose in the dairy industry, we investigated the effects of d-allulose on the acid production of 8 strains of yogurt starter (Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus thermophilus) and 4 strains of lactococci, including potential probiotic candidates derived from dairy products...
April 27, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28439262/turn-up-the-heat-food-and-clinical-escherichia-coli-isolates-feature-two-transferrable-loci-of-heat-resistance
#20
Erik J Boll, Roger Marti, Henrik Hasman, Søren Overballe-Petersen, Marc Stegger, Kim Ng, Susanne Knøchel, Karen A Krogfelt, Joerg Hummerjohann, Carsten Struve
Heat treatment is a widely used process to reduce bacterial loads in the food industry or to decontaminate surfaces, e.g., in hospital settings. However, there are situations where lower temperatures must be employed, for instance in case of food production such as raw milk cheese or for decontamination of medical devices such as thermo-labile flexible endoscopes. A recently identified locus of heat resistance (LHR) has been shown to be present in and confer heat resistance to a variety of Enterobacteriaceae, including Escherichia coli isolates from food production settings and clinical ESBL-producing E...
2017: Frontiers in Microbiology
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