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https://www.readbyqxmd.com/read/28621716/antibacterial-and-antifungal-activities-of-spices
#1
REVIEW
Qing Liu, Xiao Meng, Ya Li, Cai-Ning Zhao, Guo-Yi Tang, Hua-Bin Li
Infectious diseases caused by pathogens and food poisoning caused by spoilage microorganisms are threatening human health all over the world. The efficacies of some antimicrobial agents, which are currently used to extend shelf-life and increase the safety of food products in food industry and to inhibit disease-causing microorganisms in medicine, have been weakened by microbial resistance. Therefore, new antimicrobial agents that could overcome this resistance need to be discovered. Many spices-such as clove, oregano, thyme, cinnamon, and cumin-possessed significant antibacterial and antifungal activities against food spoilage bacteria like Bacillus subtilis and Pseudomonas fluorescens, pathogens like Staphylococcus aureus and Vibrio parahaemolyticus, harmful fungi like Aspergillus flavus, even antibiotic resistant microorganisms such as methicillin resistant Staphylococcus aureus...
June 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28621585/inactivation-of-nonpathogenic-escherichia-coli-escherichia-coli-o157-h7-salmonella-enterica-typhimurium-and-listeria-monocytogenes-in-ice-using-a-uvc-light-emitting-diode
#2
Suguru Murashita, Shuso Kawamura, Shigenobu Koseki
Ice, widely used in the food industry, is a potential cause of food poisoning resulting from microbial contamination. Direct microbial inactivation of ice is necessary because microorganisms may have been present in the source water used to make it and/or may have been introduced due to poor hygiene during production or handling of the ice. Nonthermal and nondestructive microbial inactivation technologies are needed to control microorganisms in ice. We evaluated the applicability of a UVC light-emitting diode (UVC-LED) for microbial inactivation in ice...
June 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28620777/concentrations-of-lead-and-other-elements-in-the-liver-of-the-white-tailed-eagle-haliaeetus-albicilla-a-european-flagship-species-wintering-in-eastern-poland
#3
Ignacy Kitowski, Dariusz Jakubas, Dariusz Wiącek, Agnieszka Sujak
As a top predator, the white-tailed eagle (Haliaeetus albicilla) may serve as a good indicator species, providing information about the bioavailability of contaminants and their transfer within the food chain. In this study, we aimed to determine the common sources of origin of 17 metals and other elements in the liver of white-tailed eagles, and to compare the variations in their hepatic concentrations by age (adults vs immatures) and sex (males vs females) in groups of white-tailed eagles wintering in Eastern Poland...
June 15, 2017: Ambio
https://www.readbyqxmd.com/read/28616214/high-dose-hydroxocobalamin-for-vasoplegic-syndrome-causing-false-blood-leak-alarm
#4
Wisit Cheungpasitporn, John Hui, Kianoush B Kashani, Erica D Wittwer, Robert C Albright, John J Dillon
Blood leak alarms are important safety features in a hemodialysis machine to protect patients from loss of blood through a rupture in the dialyzer membrane (true alarms). A false blood leak alarm can be triggered by air bubbles or detector malfunction (such as deposits of grease or scale). Hydroxocobalamin is an injectable form of vitamin B12 approved by the US Food and Drug Administration for the treatment of confirmed or suspected cyanide toxicity. Due to observations of an increase in arterial pressure after high-dose hydroxocobalamin infusion for the treatment of acute cyanide poisoning, it has recently been reported as an off-label rescue treatment for post-cardiopulmonary bypass vasoplegic syndrome...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28612694/-anticholinergic-syndrome-caused-by-contaminated-herbal-tea-acting-swiftly-to-identify-the-source
#5
C Oerlemans, I de Vries, A J H P van Riel
BACKGROUND: Despite good manufacturing practice and quality control, consumer products can become contaminated. In some cases, this can result in severe and life-threatening intoxication with potentially fatal consequences. CASE DESCRIPTION: A 27-year-old man and a 28-year-old pregnant woman presented to the Emergency Department with severe anticholinergic syndrome after using a marshmallow root (Althaea officinalis) herbal remedy, mixed into hot chocolate drink, to reduce symptoms of common cold...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28607368/nmr-structure-of-the-bacillus-cereus-hemolysin-ii-c-terminal-domain-reveals-a-novel-fold
#6
Anne R Kaplan, Katherine Kaus, Swastik De, Rich Olson, Andrei T Alexandrescu
In addition to multiple virulence factors, Bacillus cereus a pathogen that causes food poisoning and life-threatening wound infections, secretes the pore-forming toxin hemolysin II (HlyII). The HlyII toxin has a unique 94 amino acid C-terminal domain (HlyIIC). HlyIIC exhibits splitting of NMR resonances due to cis/trans isomerization of a single proline near the C-terminus. To overcome heterogeneity, we solved the structure of P405M-HlyIIC, a mutant that exclusively stabilizes the trans state. The NMR structure of HlyIIC reveals a novel fold, consisting of two subdomains αA-β1-β2 and β3-β4-αB-β5, that come together in a barrel-like structure...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28601996/risk-assessment-for-human-health-in-a-seleniferous-area-shuang-an-china
#7
Zewei Cui, Jie Huang, Qin Peng, Dasong Yu, Songshan Wang, Dongli Liang
Shuang'an in Ziyang is a typical high-selenium (Se) area in China, where human selenium (Se) poisoning was reported 30 years ago. To assess the risk of Se poisoning in the area, the Se content in agricultural soil, plant, and water in Naore, Shuang Hekou, and Lin Benhe villages of Ziyang was systematically investigated. The probable daily intake (PDI) was calculated on the basis of Se contents in food, water, and dietary habits to evaluate the risk of selenosis. Se content in hair from local habitants (32 men and 34 women) was determined to further verify the risk...
June 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28600908/a-rapid-qualitative-assay-for-detection-of-clostridium-perfringens-in-canned-food-products
#8
Gayatri Ashwinkumar Dave
Clostridium perfringens (MTCC 1349) is a Gram-positive, anaerobic, endospore forming, and rod-shaped bacterium. This bacterium produces a variety of toxins under strict anaerobic environment. C. perfringens can grow at temperatures ranging between 20°C and 50°C. It is the major causetive agent for gas gangrene, cellulitis, septicemia, necrotic enteritis and food poisoning, which are common toxin induced conditions noted in human and animals. C. perfringens can produce produce four major types of toxins that are used for the classification of strains, classified under type A-E...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28582663/molecular-and-epidemiological-characterization-of-staphylococcal-foodborne-outbreak-of-staphylococcus-aureus-harboring-seg-sei-sem-sen-seo-and-selu-genes-without-production-of-classical-enterotoxins
#9
Kaoru Umeda, Hiromi Nakamura, Kaori Yamamoto, Nobuko Nishina, Kiyoshi Yasufuku, Yuki Hirai, Teruo Hirayama, Kaoru Goto, Atsushi Hase, Jun Ogasawara
Staphylococcal food poisoning is the result of consumption of food contaminated with staphylococcal enterotoxins (SEs) produced by Staphylococcus aureus. To date, 23 SEs and SE-like enterotoxins (SEls) have been described in the literature. They are divided into classical SEs (SEA-SEE) and new SE/SEls (SEG-SElX). Some have proved to be foodborne-inducible, but others remain unidentified. In May 2016, at an elderly group home in Osaka city, Japan, an outbreak from foodborne pathogens occurred among lunch party participants...
May 30, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28579798/an-update-on-clinical-burden-diagnostic-tools-and-therapeutic-options-of-staphylococcus-aureus
#10
REVIEW
Prakash Narayana Reddy, Krupanidhi Srirama, Vijaya R Dirisala
Staphylococcus aureus is an important pathogen responsible for a variety of diseases ranging from mild skin and soft tissue infections, food poisoning to highly serious diseases such as osteomyelitis, endocarditis, and toxic shock syndrome. Proper diagnosis of pathogen and virulence factors is important for providing timely intervention in the therapy. Owing to the invasive nature of infections and the limited treatment options due to rampant spread of antibiotic-resistant strains, the trend for development of vaccines and antibody therapy is increasing at rapid rate than development of new antibiotics...
2017: Infectious Diseases
https://www.readbyqxmd.com/read/28577168/behavioural-effects-of-the-neonicotinoid-insecticide-thiamethoxam-on-the-predatory-insect-platynus-assimilis
#11
Ene Tooming, Enno Merivee, Anne Must, Marten-Ingmar Merivee, Ivar Sibul, Karin Nurme, Ingrid H Williams
Little information is available regarding sublethal effects of neonicotinoids on insect predators, many of which perform important roles in ecosystem functioning and biocontrol. In this study, dose-dependent sublethal effects of a dietary administered neonicotinoid insecticide thiamethoxam on two basic behaviours, locomotion and feeding, were quantified in the carabid Platynus assimilis (Coleoptera, Carabidae) using automated video-tracking and weighing of consumed food, respectively. Acute toxicity tests showed that, when orally administered, the LD50 of thiamethoxam for P...
June 2, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28576341/molecular-confirmation-of-sarcocystis-fayeri-in-a-donkey
#12
Robert M Coultous, Alexandra G Raftery, Brian R Shiels, David G M Sutton, William Weir
Sarcocystis fayeri is a canine protozoan parasite with an equine intermediate host. Historically classified as an incidental pathogen, recent literature has described the toxic effects of Sarcocystis fayeri in human food poisoning, and highlighted potential involvement in equine neuromuscular disease. Until now, horses were believed to be the exclusive intermediate host. This study reports the first molecular confirmation of S. fayeri in a donkey, and gives rise to the consideration of donkeys being a potential reservoir for the parasite...
June 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28556679/molecular-characterization-and-risk-assessment-of-bacillus-cereus-sensu-lato-isolated-from-ultrahigh-temperature-and-pasteurized-milk-marketed-in-rio-de-janeiro-brazil
#13
Jeane Q Chaves, Eislaine P de Paiva, Leon Rabinovitch, Adriana M Vivoni
The presence of Bacillus cereus in milk is a major concern in the dairy industry. In this study 27 Bacillus cereus sensu lato isolates from pasteurized and ultrahigh-temperature (UHT) milk (24 whole UHT and 4 pasteurized samples) collected at supermarket chains in Rio de Janeiro, Brazil, were evaluated to assess the potential risk for food poisoning. Toxigenic and virulence profiles were defined by gene-specific PCR. Affiliation to phylogenetic groups was assigned by panC sequencing. Microbiological analysis revealed the presence of B...
May 30, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28539714/evaluation-of-herb-drug-interactions-of-hovenia-dulcis-fruit-extracts
#14
Jong Suk Park, Shaheed Ur Rehman, In Sook Kim, Min Sun Choi, Chun-Soo Na, Hye Hyun Yoo
BACKGROUND: Hovenia dulcis (Rhamnaceae) fruits are popularly used as herbal medicines or dietary supplements in Asian countries due to functions such as liver protection and detoxification from alcohol poisoning. Accordingly, it is very likely for dietary supplemental products, including H. dulcis fruit extracts, to be taken with prescription drugs. OBJECTIVE: In this study, possible food-drug interactions involving H. dulcis fruit extracts were evaluated based on the inhibition of cytochrome P450 (CYP) enzyme activity...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28535116/is-mannitol-the-treatment-of-choice-for-patients-with-ciguatera-fish-poisoning
#15
Michael E Mullins, Robert S Hoffman
CONTEXT: Ciguatera fish poisoning arises primarily from consumption of carnivorous reef fish caught in tropical and sub-tropical waters. Ciguatoxins, a class of tasteless, heat-stable, polycyclic toxins produced by dinoflagellates, accumulate through the food chain and concentrate in various carnivorous fish, such as groupers, barracudas, wrasses, amberjack, kingfishes, and eels. Characteristics of ciguatera fish poisoning include early nausea, vomiting, and diarrhea in the first one to two days post ingestion, followed by the appearance of sensory disturbances...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28529502/effect-of-rocket-eruca-sativa-extract-on-mrsa-growth-and-proteome-metabolic-adjustments-in-plant-based-media
#16
Agapi I Doulgeraki, Georgios Efthimiou, Spiros Paramithiotis, Katherine M Pappas, Milton A Typas, George-John Nychas
The emergence of methicillin-resistant Staphylococcus aureus (MRSA) in food has provoked a great concern about the presence of MRSA in associated foodstuff. Although MRSA is often detected in various retailed meat products, it seems that food handlers are more strongly associated with this type of food contamination. Thus, it can be easily postulated that any food could be contaminated with this pathogen in an industrial environment or in household and cause food poisoning. To this direction, the effect of rocket (Eruca sativa) extract on MRSA growth and proteome was examined in the present study...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#17
Peng Zhang, Jianguang Dong, Lili Bai, Zewu Qiu
OBJECTIVE: To analyze the epidemiologic data of patients with Clostridium botulinum food poisoning, and to improve the understanding, diagnosis and treatment of food borne botulism. METHODS: A retrospective study was conducted. Fifty-three patients with Clostridium botulinum food poisoning admitted to Chinese PLA Center of Poisoning and Treatment from January 2009 to December 2016 were enrolled, and they were divided into mild, moderate, and severe groups according to the severity of disease...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28521335/spotlight-on-bacillus-cereus-and-its-food-poisoning-toxins
#18
Per Einar Granum
No abstract text is available yet for this article.
May 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28521063/effective-message-elements-for-disclosures-about-chemicals-in-cigarette-smoke
#19
Dannielle E Kelley, Marcella H Boynton, Seth M Noar, Jennifer C Morgan, Jennifer R Mendel, Kurt M Ribisl, Irina Stepanov, Leena A Nylander-French, Noel T Brewer
Introduction: Cigarette smoke contains at least 93 chemicals or "constituents" that the Food and Drug Administration (FDA) has identified as harmful or potentially harmful to human health. Our study sought to identify which constituent disclosure message elements are most effective in discouraging people from smoking. Methods: Three hundred eighty-eight current smokers ages 18 and older completed an online survey in February 2015. We randomized participants to respond to one of two sets of 13 toxic products that contain cigarette constituents and 25 health effects associated with cigarette constituents...
May 17, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28491823/comparative-proteomics-reveals-differences-in-host-pathogen-interaction-between-infectious-and-commensal-relationship-with-campylobacter-jejuni
#20
Nieves Ayllón, Ángeles Jiménez-Marín, Héctor Argüello, Sara Zaldívar-López, Margarita Villar, Carmen Aguilar, Angela Moreno, José De La Fuente, Juan J Garrido
Campylobacter jejuni is the leading food-borne poisoning in industrialized countries. While the bacteria causes disease in humans, it merely colonizes the gut in poultry or pigs, where seems to establish a commensal relationship. Until now, few studies have been conducted to elucidate the relationship between C. jejuni and its different hosts. In this work, a comparative proteomics approach was used to identify the underlying mechanisms involved in the divergent outcome following C. jejuni infection in human and porcine host...
2017: Frontiers in Cellular and Infection Microbiology
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