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https://www.readbyqxmd.com/read/28107999/determination-of-sulfonamides-in-animal-tissues-by-modified-quechers-and-liquid-chromatography-tandem-mass-spectrometry
#1
Ching-Hsuan Wen, Shu-Ling Lin, Ming-Ren Fuh
In this study, the salting-out solvent extraction and dispersive solid-phase extraction (dSPE) clean-up steps in QuEChERS (quick, easy, cheap, effective, rugged, and safe) method were optimized to reduce matrix effect and efficiently extract target sulfonamides from a variety of edible animal tissues. The extracted sulfonamides were then analyzed using liquid chromatography tandem mass spectrometry (LC-MS/MS). Good extraction recoveries (74.0-100.3% in five different sources of animal tissues; n=3) with acceptable matrix effect (<10%, except for liver samples) were obtained using the proposed method...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107995/multivariate-optimization-of-headspace-trap-for-furan-and-furfural-simultaneous-determination-in-sponge-cake
#2
Mayela Cepeda-Vázquez, David Blumenthal, Valérie Camel, Barbara Rega
Furan, a possibly carcinogenic compound to humans, and furfural, a naturally occurring volatile contributing to aroma, can be both found in thermally treated foods. These process-induced compounds, formed by close reaction pathways, play an important role as markers of food safety and quality. A method capable of simultaneously quantifying both molecules is thus highly relevant for developing mitigation strategies and preserving the sensory properties of food at the same time. We have developed a unique reliable and sensitive headspace trap (HS trap) extraction method coupled to GC-MS for the simultaneous quantification of furan and furfural in a solid processed food (sponge cake)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107864/evaluating-the-safety-of-forsythin-from-forsythia-suspensa-leaves-by-acute-and-sub-chronic-oral-administration-in-rodent-models
#3
Zhong Han, Xia-Ling Lei, Hong Zhang, Lu Liu, Zhi-Sen Chen, Wei Yang, Zhao-Rong Lun
OBJECTIVE: To access the toxicity of forsythin from Forsythia suspensa leaves and evaluate its safety. METHODS: Acute toxicity was determined by oral administration of a single dose of 18100 mg/kg forsythin in NIH mice. Sub-chronic toxicity was evaluated by oral administration of several doses of forsythin for 30 days at does of 0, 540, 1620, and 6480 mg/kg in SD rats. RESULTS: In the acute toxicity study, mortality was not observed after 14 days...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28107775/beta-caryophyllene-protects-against-alcoholic-steatohepatitis-by-attenuating-inflammation-and-metabolic-dysregulation-in-mice
#4
Zoltan V Varga, Csaba Matyas, Katalin Erdelyi, Resat Cinar, Daniela Nieri, Andrea Chicca, Balazs Tamas Nemeth, Janos Paloczi, Tamas Lajtos, Lukas Corey, Gyorgy Hasko, Bin Gao, George Kunos, Jürg Gertsch, Pal Pacher
BACKGROUND AND AIMS: Beta-caryophyllene (BCP) is a plant-derived FDA approved food additive with anti-inflammatory properties. Some of its beneficial effects in vivo reported to involve activation of cannabinoid 2 receptors (CB2) that are predominantly expressed in immune cells. Herein, we evaluated the translational potential of BCP using a well-established model of chronic and binge alcohol-induced liver injury. METHODS: In this study we investigated the effects of BCP on liver injury induced by chronic plus binge alcohol feeding in mice in vivo by using biochemical assays, real-time PCR and histology analyses...
January 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28107533/improvement-of-therapeutic-efficacy-of-oral-immunotherapy-in-combination-with-regulatory-t-cell-inducer-kakkonto-in-a-murine-food-allergy-model
#5
Yuka Nagata, Takeshi Yamamoto, Michie Hayashi, Shusaku Hayashi, Makoto Kadowaki
Oral immunotherapy (OIT) has been considered a promising approach for food allergies (FAs). However, the current OIT strategy is limited in terms of the long-term efficacy and safety. We have previously demonstrated that kakkonto, a traditional Japanese herbal medicine, suppresses the occurrence of allergic symptoms in a murine model of ovalbumin (OVA)-induced FA, which is attributed to the induction of the Foxp3+ CD4+ regulatory T cells. In this study, we established an OIT model using the FA mice with already established allergic symptoms and determined whether kakkonto could improve the efficacy of OIT...
2017: PloS One
https://www.readbyqxmd.com/read/28107121/a-case-based-approach-to-evaluate-the-potential-risks-associated-with-fluoroquinolones-and-steroids
#6
Timothy Nguyen, Karin Gelband
Fluoroquinolones (FQs) are a frequently prescribed class of antibacterial agents. FQs are widely used but may carry serious side effects particularly pronounced in older adults, and the Food and Drug Administration recently suggested FQs should not be routinely used in certain conditions if alternative options are available. Research has demonstrated that the risk of tendinitis and tendon rupture associated with FQs is one of the highest in older adults who are concurrently treated with steroids. Health care providers and pharmacists involved in the treatment of older adults should be aware of this potential drug interaction, which may lead to serious side effects and safety concerns...
November 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28105974/baseline-practices-for-the-application-of-genomic-data-supporting-regulatory-food-safety
#7
Dominic Lambert, Arthur Pightling, Emma Griffiths, Gary Van Domselaar, Peter Evans, Sharon Berthelet, Duncan Craig, P Scott Chandry, Robert Stones, Fiona Brinkman, Alexandre Angers-Loustau, Joachim Kreysa, Weida Tong, Burton Blais
The application of new data streams generated from next-generation sequencing (NGS) has been demonstrated for food microbiology, pathogen identification, and illness outbreak detection. The establishment of best practices for data integrity, reproducibility, and traceability will ensure reliable, auditable, and transparent processes underlying food microbiology risk management decisions. We outline general principles to guide the use of NGS data in support of microbiological food safety. Regulatory authorities across intra- and international jurisdictions can leverage this effort to promote the reliability, consistency, and transparency of processes used in the derivation of genomic information for regulatory food safety purposes, and to facilitate interactions and the transfer of information in the interest of public health...
January 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28105624/-clinical-research-of-delta-shaped-anastomosis-technology-in-laparoscopic-distal-gastrectomy-and-digestive-tract-reconstruction
#8
Bo Gao, Qingxing Huang, Jianhong Dong
OBJECTIVE: To evaluate the feasibility and safety of the delta-shaped anastomosis in laparoscopic distal gastrectomy and digestive tract reconstruction. METHODS: Clinical data of 34 gastric cancer patients undergoing laparoscopic distal gastrectomy with the delta-shaped anastomosis for digestive tract reconstruction (delta-shaped group) and 83 gastric cancer patients undergoing laparoscopic distal gastrectomy with Billroth I( for digestive tract reconstruction (Billroth group) by same surgeon team from July 2013 to July 2015 at the Department of Digestive Surgery, Affiliated Tumor Hospital of Shanxi Medical University were retrospectively analyzed...
January 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28104709/utility-of-social-media-and-crowd-sourced-data-for-pharmacovigilance-a-scoping-review-protocol
#9
Andrea C Tricco, Wasifa Zarin, Erin Lillie, Ba Pham, Sharon E Straus
INTRODUCTION: Adverse events associated with medications are under-reported in postmarketing surveillance systems. A systematic review of published data from 37 studies worldwide (including Canada) found the median under-reporting rate of adverse events to be 94% in spontaneous reporting systems. This scoping review aims to assess the utility of social media and crowd-sourced data to detect and monitor adverse events related to health products including pharmaceuticals, medical devices, biologics and natural health products...
January 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/28103450/paper-based-analytical-devices-for-clinical-diagnosis-recent-advances-in-the-fabrication-techniques-and-sensing-mechanisms
#10
Mazhar Sher, Rachel Zhuang, Utkan Demirci, Waseem Asghar
There is a significant interest in developing inexpensive portable biosensing platforms for various applications including disease diagnostics, environmental monitoring, food safety, and water testing at the point-of-care (POC) settings. Current diagnostic assays available in the developed world require sophisticated laboratory infrastructure and expensive reagents. Hence, they are not suitable for resource-constrained settings with limited financial resources, basic health infrastructure, and few trained technicians...
January 19, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28103027/isolation-colonization-and-chlorpyrifos-degradation-mediation-of-the-endophytic-bacterium-sphingomonas-strain-hjy-in-chinese-chive-allium-tuberosum
#11
Fayun Feng, Jing Ge, Yisong Li, Jinjin Cheng, Jianfeng Zhong, Xiangyang Yu
The interaction of endophyte-plant can benefit the host in many different ways. An endophytic bacterium strain (HJY) capable of degrading chlorpyrifos (CP) was isolated from Chinese chives (Allium tuberosum Rottl. ex Spreng). The isolated bacterium HJY classified as Sphingomonas sp. Strain HJY could use chlorpyrifos as the sole carbon source. After being marked with the gfp gene, the colonization and distribution of strain HJY-gfp was directly observed in different tissues of Chinese chives with confocal laser scanning microscope...
January 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28102702/immunomodulating-peptides-for-food-allergy-prevention-and-treatment
#12
Daniel Lozano-Ojalvo, Rosina López-Fandiño
Among the most promising strategies currently assayed against IgE-mediated allergic diseases stands the possibility of using immunomodulating peptides to induce oral tolerance towards offending food allergens or even to prevent allergic sensitization. This review focuses on the beneficial effects of food derived immunomodulating peptides on food allergy, which can be directly exerted in the intestinal tract or once being absorbed through the intestinal epithelial barrier to interact with immune cells. Food peptides influence intestinal homeostasis by maintaining and reinforcing barrier function or affecting intestinal cell-signalling to nearby immune cells and mucus secretion...
January 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28100257/food-specific-sublingual-immunotherapy-is-well-tolerated-and-safe-in-healthy-dogs-a-blind-randomized-placebo-controlled-study
#13
E Maina, M Pelst, M Hesta, E Cox
BACKGROUND: Food allergies are increasing in prevalence but no treatment strategies are currently available to cure dogs with food allergy. Over the past decade, experimental food allergen-specific sublingual immunotherapy (FA-SLIT) has emerged as a potential treatment for food allergies in human medicine. However, FA-SLIT has not been investigated in dogs. Therefore, the objective of this study was to prospectively evaluate the safety, tolerability and dispenser sterility of FA-SLIT in healthy dogs before testing it in food allergic dogs...
January 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28100125/sulphur-dioxide-in-meat-products-3-years-control-results-of-an-accredited-italian-laboratory
#14
Marco Iammarino, Anna Rita Ientile, Aurelia Di Taranto
Sulphiting agents are well-known food preservatives. The European legislation does not allow their addition in fresh meat preparations. Therefore this type of food products has often been verified. To high sulphite levels in food is a health safety risk, due to toxic effects that these compounds may exercise on humans. In this study the control activity as performed by an Italian accredited laboratory from 2013 to 2015, relating to determination of sulphites in meat products, is described. Six hundred and sixty-nine meat product samples were analysed...
January 19, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28098856/anti%C3%A2-wrinkle-effect-of-fermented-black-ginseng-on-human-fibroblasts
#15
Quynh Lien Pham, Hyun-Jun Jang, Kyu-Bong Kim
Fermented black ginseng (FBG) is processed by the repeated steaming and drying of fresh ginseng followed by fermentation with Saccharomyces cerevisiae. It is known to possess anti‑oxidative effects. Skin wrinkle formation is associated with oxidative stress and inflammatory reactions. The aim of this study was to determine whether FBG possesses anti‑wrinkle activity using human fibroblasts (HS68). According to the Korea Ministry of Food and Drug Safety (MFDS) guidelines for the evaluation of the efficacy of functional anti‑wrinkle cosmetics, we attempted to elucidate the effects of FBG on type I procollagen, matrix metalloproteinase (MMP)‑1, MMP‑2, MMP‑9 and tissue inhibitor of metalloproteinase‑2 (TIMP‑2)...
January 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098598/science-of-intracrinology-in-postmenopausal-women
#16
Fernand Labrie, Alain Bélanger, Georges Pelletier, Céline Martel, David F Archer, Wulf H Utian
OBJECTIVE: To illustrate the marked differences between classical endocrinology that distributes hormones to all tissues of the body through the bloodstream and the science of intracrinology, whereby each cell of each peripheral tissue makes a small and appropriate amount of estrogens and androgens from the inactive precursor dehydroepiandrosterone (DHEA), DHEA being mainly of adrenal origin. Because only the inactivated sex steroids are released in the blood, influence in the other tissues is avoided...
January 16, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28097866/pharmacokinetics-and-biodistribution-of-the-illegal-food-colorant-rhodamine-b-in-rats
#17
Yung-Yi Cheng, Tung-Hu Tsai
The International Agency for Research on Cancer (IARC) demonstrated rhodamine B as a potential carcinogen in 1978. Nevertheless, rhodamine B has been illegally used as a colorant in food in many countries. Few pharmacokinetic and toxicological investigations have been performed since the first pharmacokinetic study on rhodamine B in 1961. The aims of this study were to develop a simple and sensitive high performance liquid chromatography method with fluorescence detection for the quantitative detection of rhodamine B in the plasma and organs of rats and to estimate its pharmacokinetics and biodistribution...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28096602/surface-plasmon-resonance-based-biosensor-a-new-platform-for-rapid-diagnosis-of-livestock-diseases
#18
REVIEW
Pravas Ranjan Sahoo, Parthasarathi Swain, Sudhanshu Mohan Nayak, Sudam Bag, Smruti Ranjan Mishra
Surface plasmon resonance (SPR) based biosensors are the most advanced and developed optical label-free biosensor technique used for powerful detection with vast applications in environmental protection, biotechnology, medical diagnostics, drug screening, food safety, and security as well in livestock sector. The livestock sector which contributes the largest economy of India, harbors many bacterial, viral, and fungal diseases impacting a great loss to the production and productive potential which is a major concern in both small and large ruminants...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28095736/development-of-multifunctional-foods
#19
Koji Yamada
Foods contain various biologically active substances with extent physiological effects. Among them, some substances, such as dietary fibers, polyunsaturated fatty acids, and antioxidants, exert multiple activities. In addition, combinational uses of some components, such as sesamin and α-tocopherol, enhance their biological effects each other. The expression of multiple effect leads to the production of multifunctional foods which prevent the occurrence of various diseases. Furthermore, synergic effects between biologically active substances allow us to decrease the dose of each component, which lead to the improvement of safety and reduction of production cost of multifunctional foods...
January 18, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28093943/clinical-evidence-supporting-us-food-and-drug-administration-premarket-approval-of-high-risk-otolaryngologic-devices-2000-2014
#20
Vinay K Rathi, Bo Wang, Joseph S Ross, Nicholas S Downing, Aaron S Kesselheim, Stacey T Gray
The US Food and Drug Administration (FDA) approves high-risk medical devices based on premarket pivotal clinical studies demonstrating reasonable assurance of safety and effectiveness and may require postapproval studies (PAS) to further inform benefit-risk assessment. We conducted a cross-sectional analysis using publicly available FDA documents to characterize industry-sponsored pivotal studies and PAS of high-risk devices used in the treatment of otolaryngologic diseases. Between 2000 and 2014, the FDA approved 23 high-risk otolaryngologic devices based on 28 pivotal studies...
January 1, 2017: Otolaryngology—Head and Neck Surgery
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