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https://www.readbyqxmd.com/read/27921314/flavonoids-biosynthesis-in-plants-and-its-further-analysis-by-capillary-electrophoresis
#1
REVIEW
Baljinder Singh, Ashwini Kumar, Ashok Kumar Malik
Flavonoids represent an important bioactive component in plants. Accumulation of flavonoids often occurs in plants subjected to abiotic stresses including the adaptation of plants to the environment and in overcoming their stress conditions. This fact makes their analysis and determination an attractive field in food science since they can give interesting information on the quality and safety of foods. In this review we discuss reports on plants flavonoids biosynthesis against abiotic stresses and advances in analytical capillary electrophoresis used for their identification and quantification in plants...
December 6, 2016: Electrophoresis
https://www.readbyqxmd.com/read/27920760/prevalence-of-the-antibiotic-resistance-genes-in-coagulase-positive-and-negative-staphylococcus-in-chicken-meat-retailed-to-consumers
#2
Kamelia Osman, Jihan Badr, Khalid S Al-Maary, Ihab M I Moussa, Ashgan M Hessain, Zeinab M S Amin Girah, Usama H Abo-Shama, Ahmed Orabi, Aalaa Saad
The use of antibiotics in farm management (growing crops and raising animals) has become a major area of concern. Its implications is the consequent emergence of antibiotic resistant bacteria (ARB) and accordingly their access into the human food chain with passage of antibiotic resistance genes (ARG) to the normal human intestinal microbiota and hence to other pathogenic bacteria causative human disease. Therefore, we pursued in this study to unravel the frequency and the quinolone resistance determining region, mecA and cfr genes of methicillin-susceptible Staphylococcus aureus (MSSA), methicillin-resistant S...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27920757/advances-and-challenges-in-viability-detection-of-foodborne-pathogens
#3
REVIEW
Dexin Zeng, Zi Chen, Yuan Jiang, Feng Xue, Baoguang Li
Foodborne outbreaks are a serious public health and food safety concern worldwide. There is a great demand for rapid, sensitive, specific, and accurate methods to detect microbial pathogens in foods. Conventional methods based on cultivation of pathogens have been the gold standard protocols; however, they take up to a week to complete. Molecular assays such as polymerase chain reaction (PCR), sequencing, microarray technologies have been widely used in detection of foodborne pathogens. Among molecular assays, PCR technology [conventional and real-time PCR (qPCR)] is most commonly used in the foodborne pathogen detection because of its high sensitivity and specificity...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27919811/biochemical-characterization-of-a-novel-l-asparaginase-from-paenibacillus-barengoltzii-being-suitable-for-acrylamide-reduction-in-potato-chips-and-mooncakes
#4
Ran Shi, Yu Liu, Qing Mu, Zhengqiang Jiang, Shaoqing Yang
A novel L-asparaginase gene (PbAsnase) from Paenibaeillus barengoltzii CAU904 was cloned and expressed in Escherichia coli. The L-asparaginase gene was 1011bp encoding 336 amino acids. Multiple sequence alignment of PbAsnase with other known L-asparaginases revealed that the enzyme showed high similarities with some Rhizobial-type L-asparaginases, sharing the highest identity of 32% with a characterized L-asparaginase from Rhizobium etli CFN 42, suggesting that it should be a novel L-asparaginase. The recombinant L-asparaginase (PbAsnase) was purified to homogeneity and biochemically characterized...
December 2, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27919344/jcl-roundtable-risk-evaluation-and-mitigation-strategy
#5
REVIEW
W Virgil Brown, Dean A Bramlet, Joyce L Ross, James A Underberg
Many factors enter into the decision by the Food and Drug Administration (FDA) to approve a new drug for use by physicians and other health care providers in treating diseases. Initially, the FDA authority was restricted to issues of safety and only later did the documentation of efficacy become part of the review process required for approval. However, all drugs have the potential for causing harm at some dose level to all and at lower doses in certain patients with vulnerability to the particular pharmacology of the agent...
November 2016: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/27919152/-monitoring-plan-of-environmental-contaminants-in-sheep-milk-from-areas-next-to-an-italian-contaminated-site-named-%C3%A2-aree-industriali-di-porto-torres-e-discarica-di-calancoi%C3%A2-industrial-areas-of-porto-torres-and-landfill-of-calancoi-in-sardinia-region-southern
#6
Francesco Sgarangella, Giuseppe Bitti, Maria Caterina Suelzu, Pietro Desini, Patrizia Piras, Gianuario Fiori, Maurizio Cossu, Giannina Chessa
OBJECTIVES: to assess concentration levels of dioxins, PCBs, and chemical elements in sheep milk produced in areas close to the Italian contaminated site (CS) located in the North-West of Sardinia (Southern Italy), named «Aree industriali di Porto Torres e discarica di Calancoi» (i.e., industrial areas of Porto Torres and landfill of Calancoi). DESIGN: monitoring plan of environmental contaminants on zootechnical productions based on analysis of dioxins, PCBs, heavy metals (Cd, Hg, Pb), and other elements (As, Be, Cr, Ni, Tl , Zn) in sheep bulk milk...
November 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27919005/tracking-listeria-monocytogenes-contamination-and-virulence-associated-characteristics-in-the-ready-to-eat-meat-based-food-products-industry-according-to-the-hygiene-level
#7
A R Henriques, L T Gama, M J Fraqueza
Listeria monocytogenes isolates collected from final products and food contact surfaces of 10 ready-to-eat meat-based food products (RTEMP) producing industries were analyzed to relate their virulence-associated characteristics and genetic profiles with the hygiene assessment of those industries. Together with sample collection, an audit was performed to evaluate the implemented food safety management system and to investigate the specific audit requisites more associated to the occurrence of those L. monocytogenes serogroups frequently related with human disease...
November 21, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27917969/targeted-social-protection-in-a-pastoralist-economy-case-study-from-kenya
#8
S A Janzen, N D Jensen, A G Mude
Social protection programmes are designed to help vulnerable populations - including pastoralists - maintain a basic level of well-being, manage risk, and cope with negative shocks. Theory suggests that differential targeting according to poverty status can increase the reach and effectiveness of budgeted social protection programmes. Chronically poor households benefit most from social protection designed to help them meet their basic needs and make vital investments necessary to graduate from poverty. Vulnerable non-destitute households benefit from protection against costly temporary shocks, but do not necessarily need regular assistance...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27917968/innovations-in-food-preservation-in-pastoral-zones
#9
C Jans, D W Mulwa Kaindi, L Meile
Food preservation makes a significant contribution to food security and food safety in pastoral communities with limited access to external food sources. Raw materials are preserved by heating, drying, smoking, pickling, salting, curing or fermentation with microorganisms. This article describes preservation techniques in the pastoral context, targeting the major dietary components of milk, meat and cereals; related health risks; and potential innovations for food preservation. Sustainable elimination of pathogenic microorganisms, preventing re-contamination, sporulation and the growth of zoonotic and foodborne microorganisms, is necessary to enhance food safety and ensure food security by reducing post-harvest losses and food waste...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27916394/hypoactive-sexual-desire-disorder-international-society-for-the-study-of-women-s-sexual-health-isswsh-expert-consensus-panel-review
#10
REVIEW
Irwin Goldstein, Noel N Kim, Anita H Clayton, Leonard R DeRogatis, Annamaria Giraldi, Sharon J Parish, James Pfaus, James A Simon, Sheryl A Kingsberg, Cindy Meston, Stephen M Stahl, Kim Wallen, Roisin Worsley
The objective of the International Society for the Study of Women's Sexual Health expert consensus panel was to develop a concise, clinically relevant, evidence-based review of the epidemiology, physiology, pathogenesis, diagnosis, and treatment of hypoactive sexual desire disorder (HSDD), a sexual dysfunction affecting approximately 10% of adult women. Etiologic factors include conditions or drugs that decrease brain dopamine, melanocortin, oxytocin, and norepinephrine levels and augment brain serotonin, endocannabinoid, prolactin, and opioid levels...
November 30, 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27915428/influential-impacts-of-combined-government-policies-for-safe-disposal-of-dead-pigs-on-farmer-behavior
#11
Xiujuan Chen, Guangqian Qiu, Linhai Wu, Guoyan Xu, Jianhua Wang, Wuyang Hu
Improper disposal of dead pigs by pig farmers may have an adverse impact on the ecological environment and food safety. In this paper, disposal of dead pigs by pig farmers in four main pig production provinces in China (Jiangsu, Anhui, Hubei, and Hunan) was empirically investigated. Then, pig farmers' awareness and evaluation of current combined government policies for the safe disposal of dead pigs were analyzed. Furthermore, the influential effects of combined government policies on the disposal of dead pigs by pig farmers were examined using Decision-Making Trial and Evaluation Laboratory (DEMATEL)...
December 3, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27914632/the-us-food-and-drug-administration-s-risk-evaluation-and-mitigation-strategy-rems-program-current-status-and-future-direction
#12
Jasmanda Wu, Juhaeri Juhaeri
The US Food and Drug Administration (FDA) Amendments Act of 2007 granted the FDA new authorities to enhance drug safety by requiring application holders to submit a proposed Risk Evaluation and Mitigation Strategy (REMS). A REMS is a required risk management plan that uses tools beyond the package insert. REMS elements may include a medication guide and patient package insert for patients and a communication plan focused on health care professionals. Elements to assure safe use (ETASUs) are put in place to mitigate a specific known serious risk when other less restrictive elements of a REMS are not sufficient to mitigate such risk...
November 30, 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/27913911/assessing-the-food-safety-attitudes-and-awareness-of-managers-of-school-feeding-programmes-in-mpumalanga-south-africa
#13
J J Sibanyoni, F T Tabit
The managers of school feeding programmes are responsible for ensuring the safety of the food which is provided to schoolchildren, but very few studies have been conducted on the food safety knowledge and awareness of these managers. The objective of this study is to evaluate the food safety attitudes and awareness of managers of the National School Nutrition Programme (NSNP) in schools in Mpumalanga, a province of South Africa. A cross-sectional survey study was conducted in which questionnaires were used to collect data from 300 NSNP food service managers...
December 2, 2016: Journal of Community Health
https://www.readbyqxmd.com/read/27913785/safety-assessment-of-alumina-and-aluminum-hydroxide-as-used-in-cosmetics
#14
Lillian C Becker, Ivan Boyer, Wilma F Bergfeld, Donald V Belsito, Ronald A Hill, Curtis D Klaassen, Daniel C Liebler, James G Marks, Ronald C Shank, Thomas J Slaga, Paul W Snyder, F Alan Andersen
This is a safety assessment of alumina and aluminum hydroxide as used in cosmetics. Alumina functions as an abrasive, absorbent, anticaking agent, bulking agent, and opacifying agent. Aluminum hydroxide functions as a buffering agent, corrosion inhibitor, and pH adjuster. The Food and Drug Administration (FDA) evaluated the safe use of alumina in several medical devices and aluminum hydroxide in over-the-counter drugs, which included a review of human and animal safety data. The Cosmetic Ingredient Review (CIR) Expert Panel considered the FDA evaluations as part of the basis for determining the safety of these ingredients as used in cosmetics...
November 2016: International Journal of Toxicology
https://www.readbyqxmd.com/read/27912750/fermented-barley-and-soybean-bs-mixture-enhances-intestinal-barrier-function-in-dextran-sulfate-sodium-dss-induced-colitis-mouse-model
#15
Jong Kyu Woo, Seungho Choi, Ju-Hee Kang, Dae Eung Kim, Byung-Serk Hurh, Jong-Eun Jeon, Sun Yeou Kim, Seung Hyun Oh
BACKGROUND: Inflammatory bowel disease (IBD) is characterized by chronic or relapsing immune system activation and inflammation within the gastrointestinal tract. The lack of safety and efficacy of standard therapies, the use of food supplements for managing IBD is increasing, and many studies have reported that various food supplements provide many beneficial effects for the IBD. METHODS: This study aimed to evaluate the anti-colitis effects of dietary supplementation with a fermented barley and soybean mixture (BS) on intestinal inflammation using a murine model of IBD...
December 3, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27911675/on-safety-margin-for-drug-interchangeability
#16
Jiayin Zheng, Shein-Chung Chow, Fuyu Song
As more and more generic (or biosimilar) drug products become available in the market place, it is a concern whether the approved generic (or biosimilar) drug products are safe and efficacious and hence can be used interchangeably. According to current regulation, most regulatory agencies such as the United States Food and Drug Administration (FDA) indicate an approved generic (or biosimilar) drug product can serve as a substitute for the innovative drug product. Bioequivalence (biosimilarity) assessment for regulatory approval among generic copies (or biosimilars) of the innovative drug product are not required...
December 2, 2016: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/27911360/development-of-a-more-sensitive-and-specific-chromogenic-agar-medium-for-the-detection-of-vibrio-parahaemolyticus-and-other-vibrio-species
#17
Marie Yeung, Trevor Thorsen
Foodborne infections in the US caused by Vibrio species have shown an upward trend. In the genus Vibrio, V. parahaemolyticus is responsible for the majority of Vibrio-associated infections. Thus, accurate differentiation among Vibrio spp. and detection of V. parahaemolyticus is critically important to ensure the safety of our food supply. Although molecular techniques are increasingly common, culture-depending methods are still routinely done and they are considered standard methods in certain circumstances...
November 8, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909986/toxicity-and-pharmacokinetic-profile-for-single-dose-injection-of-aby-029-a-fluorescent-anti-egfr-synthetic-affibody-molecule-for-human-use
#18
Kimberley S Samkoe, Jason R Gunn, Kayla Marra, Sally M Hull, Karen L Moodie, Joachim Feldwisch, Theresa V Strong, Daniel R Draney, P Jack Hoopes, David W Roberts, Keith Paulsen, Brian W Pogue
PURPOSE: ABY-029, a synthetic Affibody peptide, Z03115-Cys, labeled with a near-infrared fluorophore, IRDye® 800CW, targeting epidermal growth factor receptor (EGFR) has been produced under good manufacturing practices for a US Food and Drug Administration-approved first-in-use human study during surgical resection of glioma, as well as other tumors. Here, the pharmacology, phototoxicity, receptor activity, and biodistribution studies of ABY-029 were completed in rats, prior to the intended human use...
December 1, 2016: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/27907978/comparison-of-the-single-dose-pharmacokinetics-pharmacodynamics-and-safety-of-two-novel-oral-formulations-of-dimethandrolone-undecanoate-dmau-a-potential-oral-male-contraceptive
#19
R Ayoub, S T Page, R S Swerdloff, P Y Liu, J K Amory, A Leung, L Hull, D Blithe, A Christy, J H Chao, W J Bremner, C Wang
Dimethandrolone (DMA, 7α,11β-dimethyl-19-nortestosterone) has both androgenic and progestational activities, ideal properties for a male hormonal contraceptive. In vivo, dimethandrolone undecanoate (DMAU) is hydrolyzed to DMA. We showed previously that single oral doses of DMAU powder in capsule taken with food are well tolerated and effective at suppressing both LH and testosterone (T), but absorption was low. We compared the pharmacokinetics and pharmacodynamics of two new formulations of DMAU, in castor oil and in self-emulsifying drug delivery systems (SEDDS), with the previously tested powder formulation...
December 1, 2016: Andrology
https://www.readbyqxmd.com/read/27907161/barriers-and-facilitators-to-safe-food-handling-among-consumers-a-systematic-review-and-thematic-synthesis-of-qualitative-research-studies
#20
Ian Young, Lisa Waddell
Foodborne illness has a substantial health and economic burden on society, and most cases are believed to be due to unsafe food handling practices at home. Several qualitative research studies have been conducted to investigate consumers' perspectives, opinions, and experiences with safe food handling at home, and these studies provide insights into the underlying barriers and facilitators affecting their safe food handling behaviours. We conducted a systematic review of previously published qualitative studies in this area to synthesize the main across-study themes and to develop recommendations for future consumer interventions and research...
2016: PloS One
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