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https://www.readbyqxmd.com/read/29039302/oxa-48-and-ctx-m-15-extended-spectrum-beta-lactamases-in-raw-milk-in-lebanon-epidemic-spread-of-dominant-klebsiella-pneumoniae-clones
#1
Mohamad Diab, Monzer Hamze, Richard Bonnet, Estelle Saras, Jean-Yves Madec, Marisa Haenni
Raw milk has recently been reported as a source of extended-spectrum beta-lactamase (ESBL) and carbapenemase genes. We thus investigated the prevalence of ESBL- and carbapenemase-producing Enterobacteriaceae in raw milk in Lebanon in order to assess the risk of transfer of these bacteria to humans. A high prevalence (30.2 %) of CTX-M-15-producing K. pneumoniae was detected in raw bovine milk. Three main K. pneumoniae clones were identified by PFGE and MLST typing. Southern blot experiments revealed that one of these clones carried the blaCTX-M-15 gene chromosomally...
October 17, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29037738/peptides-derived-from-in-vitro-gastrointestinal-digestion-of-germinated-soybean-proteins-inhibit-human-colon-cancer-cells-proliferation-and-inflammation
#2
Marcela González-Montoya, Blanca Hernández-Ledesma, Jose Manuel Silván, Rosalva Mora-Escobedo, Cristina Martínez-Villaluenga
The aim was to investigate the potential of germinated soybean proteins asa source of peptides with anticancer and anti-inflammatory activities produced after simulated gastrointestinal digestion. Protein concentrate from germinated soybean was hydrolysed with pepsin/pancreatin and fractionated by ultrafiltration. Whole digest and fractions>10, 5-10, and<5kDa caused cytotoxicity to Caco-2, HT-29, HCT-116 human colon cancer cells, and reduced inflammatory response caused by lipopolysaccharide in macrophages RAW 264...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29034091/phenotypic-and-genotypic-characterization-of-antibiotic-resistance-of-methicillin-resistant-staphylococcus-aureus-isolated-from-hospital-food
#3
Farhad Safarpoor Dehkordi, Hasan Gandomi, Afshin Akhondzadeh Basti, Ali Misaghi, Ebrahim Rahimi
BACKGROUND: Pathogenic biotypes of the Methicillin-resistant Staphylococcus aureus (MRSA) strains are considered to be one of the major cause of food-borne diseases in hospitals. The present investigation was done to study the pattern of antibiotic resistance and prevalence of antibiotic resistance genes of different biotypes of the MRSA strains isolated from various types of hospital food samples. METHODS: Four-hundred and eighty-five raw and cooked hospital food samples were cultured and MRSA strains were identified using the oxacillin and cefoxitin disk diffusion tests and mecA-based PCR amplification...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29031299/marker-discovery-in-volatolomics-based-on-systematic-alignment-of-gc-ms-signals-application-to-food-authentication
#4
S Abou-El-Karam, J Ratel, N Kondjoyan, C Truan, E Engel
Starting with an experiment to authenticate walnut oils based on GC-MS analysis of the volatolome, this paper aims to demonstrate the relevance of a two-step alignment-based strategy for the systematic research of VOC markers. The first step of the treatment consists of roughly reducing the time shifts with efficient, known warping techniques like COW (Correlation Optimized Warping). The second step relies on an accurate peak apex alignment in order to refine residual local misalignments and to enable further systematic marker research through univariate or multivariate data treatments...
October 23, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29030862/establishing-standards-on-colors-from-natural-sources
#5
REVIEW
James E Simon, Eric A Decker, Mario G Ferruzzi, M Monica Giusti, Carla D Mejia, Mark Goldschmidt, Stephen T Talcott
Color additives are applied to many food, drug, and cosmetic products. With up to 85% of consumer buying decisions potentially influenced by color, appropriate application of color additives and their safety is critical. Color additives are defined by the U.S. Federal Food, Drug, and Cosmetic Act (FD&C Act) as any dye, pigment, or substance that can impart color to a food, drug, or cosmetic or to the human body. Under current U.S. Food and Drug Administration (FDA) regulations, colors fall into 2 categories as those subject to an FDA certification process and those that are exempt from certification often referred to as "natural" colors by consumers because they are sourced from plants, minerals, and animals...
October 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29030180/designing-a-direct-elisa-kit-for-the-detection-of-staphylococcus-aureus-rnterotoxin-a-in-raw-milk-samples-from-tehran-province
#6
Arezoo Nouri, Hamed Ahari, Delavar Shahbazzadeh
Under favorable growth conditions, Staphylococcus aureus infects and causes illnesses in humans and animals. Staphylococcal enterotoxins are considered the most important factor for food poisoning, with these toxins usually found in milk and its byproducts. This study investigated the presence of a classical enterotoxin of S. aureus (enterotoxin A) in raw cow milk samples obtained from Region 3 of Tehran. Sixty cow milk samples were collected from traditional dairy sales centers in the study site. Electrophoresis, high-performance liquid chromatography, sandwich ELISA, and direct ELISA were evaluated as methods for detecting toxins in the milk...
October 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29028444/development-and-in-house-validation-of-a-real-time-polymerase-chain-reaction-for-the-detection-of-listeria-monocytogenes-in-meat
#7
Camilo Reyes, Luciano H Linares, Fabiana Moredo, Juan P Lirón, Victoria Brusa, Alejandra Londero, Lucía Galli, Juan M Oteiza, Magdalena Costa, Gerardo A Leotta
Listeriosis is a foodborne disease caused by Listeria monocytogenes. The aims of this work were to develop and validate an in-house real-time polymerase chain reaction (RT-PCR) for the detection of L. monocytogenes, and to determine its prevalence in raw ground beef samples from 53 butcheries that also sell ready-to-eat foods. One set of primers and one hydrolysis probe were designed for hly gene detection and then challenged with pure strains. The detection was successful for all L. monocytogenes strains analyzed and negative for all non-L...
October 13, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/29026636/neck-abscess-due-to-salmonella-choleraesuis-case-study-and-literature-review
#8
Ryoji Sugimoto, Hirotaka Suzuki, Takahito Nei, Ayaka Tashiro, Yohei Washio, Kazunari Sonobe, Yuzo Nakamura, Nozomu Wakayama, Shunta Inai, Hidemasa Izumiya
Introduction. We herein describe a case with a neck abscess due to non-typhoidal Salmonella (NTS). NTS habitually reside in our environment and colonize all animals including mammals. Colonizations of pigs, chickens, cows and sheep are important because food poisoning episodes in human are often associated with meat. Extra-intestinal infection due to NTS has numerous presentations and complications, with aortic aneurysms being common. Case presentation. A 26-year-old Japanese male complaining of left-sided neck swelling was referred to our hospital for a suspected deep neck abscess...
August 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29023401/effects-of-sorghum-malting-on-colour-major-classes-of-phenolics-and-individual-anthocyanins
#9
Ali Khoddami, Mohammad Mohammadrezaei, Thomas H Roberts
Sorghum (Sorghum bicolor) grain contains many health-promoting phytochemicals, including a broad range of phenolic compounds. Malting of cereal grains is known to increase the bioavailability of macro- and micronutrients. However, the detailed effects of malting on sorghum grain anthocyanins, a major class of phenolics that influence the taste and colour of sorghum-based foods, requires further investigation. Eight commercial sorghum hybrids harvested from three regions in eastern Australia were malted and analysed for colour, tannin content, total phenolic content (TPC), flavan-4-ols, total flavonoids, total anthocyanins and 3-deoxyanthocyanins...
October 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29022634/the-anti-inflammatory-effect-of-agaricus-brasiliensis-is-partly-due-to-its-linoleic-acid-content
#10
Papawee Saiki, Yasuhiro Kawano, Leo J L D Van Griensven, Koyomi Miyazaki
For hundreds of years mushrooms have been used as functional food for health. The basidiomycete Agaricus brasiliensis (A. brasiliensis) is famous for the medicinal properties of its beta glucans and of its antioxidants. Most researchers have studied polysaccharides from A. brasiliensis for their anti-inflammatory activity. However, active compounds from this mushroom have not yet been studied for the inactivation of NO inhibitory activity. The present study aimed to find the active compounds from A. brasiliensis for their NO inhibitory activity related inflammatory activity...
October 12, 2017: Food & Function
https://www.readbyqxmd.com/read/29020460/toxoplasma-gondii-infection-and-food-consumption-a-systematic-review-and-meta-analysis-of-case-controlled-studies
#11
Simone Belluco, Giulia Simonato, Marzia Mancin, Mario Pietrobelli, Antonia Ricci
BACKGROUND: Toxoplasmosis is a zoonotic disease causing severe symptoms in pregnant women and immunocompromised individuals. On average, worldwide, around 30% of people are seropositive. The oral transmission route is of great significance and food, particularly meat, is an important transmission vehicle for T. gondii. However, the role of different food matrices is debated. OBJECTIVES: The aim of this review was to assess the risk of humans developing acute T. gondii infection via the foodborne route...
October 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29017370/valorization-of-raw-materials-from-agricultural-industry-for-astaxanthin-and-%C3%AE-carotene-production-by-xanthophyllomyces-dendrorhous
#12
Teresa Gervasi, Vito Pellizzeri, Qada Benameur, Claudio Gervasi, Antonello Santini, Nicola Cicero, Giacomo Dugo
Waste deriving from food and agro-industries is a growing problem in our modern society. In order to reduce food waste and its associated impacts over the environment and public health, innovative strategies for the conversion of food wastes in added value products are studied. Whey is one of the prominent waste deriving from Sicilian diary industry. The growth and the carotenoid biosynthesis of the yeast Xanthophyllomyces dendrorhous by its cultivation in pre-treated whey were studied. The study showed the possibility of increasing the astaxanthin productivity from X...
October 11, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29017095/persistence-and-reduction-of-shiga-toxin-producing-escherichia-coli-serotype-o26-h11-in-different-types-of-raw-fermented-sausages
#13
Christina Böhnlein, Jan Kabisch, Stefanie Müller-Herbst, Gregor Fiedler, Charles M A P Franz, Rohtraud Pichner
Fermented sausages have been identified as source of several outbreaks of Shiga toxin-producing Escherichia coli (STEC). Illnesses linked to non-O157 STEC serotypes appear to be on the rise worldwide, and serogroup O26 is the second most reported in Europe after O157. However, data on the behavior of serogroup O26 in food are rare, so that the aim of this study was to investigate the survival of STEC O26:H11 in different types of fermented sausages ("Teewurst", fast-ripened and long-fermented salami). Challenge studies were performed with an inoculation cocktail which consisted of three STEC O26:H11 strains isolated from human, cattle and food sources...
September 28, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28994167/optimization-and-physicochemical-properties-of-nutritional-protein-isolate-from-pork-liver-with-ultrasound-assisted-alkaline-extraction
#14
Ye Zou, Huan Bian, Pengpeng Li, Zhilan Sun, Chong Sun, Muhan Zhang, Zhiming Geng, Weimin Xu, Daoying Wang
The aim of this study was to investigate the optimal conditions of ultrasound-assisted alkaline extraction (UAAE) on pork liver protein isolate (UPLPI) and its physico-chemical properties. Response surface methodology was used to determine the optimal conditions for UAAE, which were at ultrasonic power 265 W, ultrasonic time 42 min, NaOH concentration 0.80%, temperature 50°C, and solvent/raw material ratio 70. The extraction yield and efficiency of UPLPI were significantly improved over the conventional alkaline extraction (PLPI)...
October 10, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28989854/identification-and-characterization-of-probiotic-lactic-acid-bacteria-isolated-from-traditional-persian-pickled-vegetables
#15
M M Soltan Dallal, S Zamaniahari, A Davoodabadi, M Hosseini, Z Rajabi
Background: The pickle, a traditional fermented product, is popular among Iranians. Much research has been conducted worldwide on this food group. Due to a lack of related data in Iran, this study was conducted to isolate and identify dominant lactic acid bacteria (LAB) in pickles and salted pickles. Materials and methods: Seventy samples were collected from different regions of Iran. The isolated bacteria were identified as LAB by Gram staining and catalase by using MRS agar. Then, those strains were identified at the species level by physiological tests (e...
2017: GMS Hygiene and Infection Control
https://www.readbyqxmd.com/read/28989560/evaluation-of-performance-of-introduced-yam-bean-pachyrhizus-spp-in-three-agro-ecological-zones-of-rwanda
#16
Ndirigwe Jean, Rubaihayo Patrick, Tukamuhabwa Phenihas, Agaba Rolland, Rukundo Placide, Mwanga O M Robert, Tumwegamire Silver, Kamarirwa Vestine, Kayinamura Evrard, Wolfgang J Grüneberg
The yam bean (Pachyrizhus spp) was recently introduced as a root crop with high-yield potential, considerable protein and micro-nutrient concentration to investigate its potential for food production in Rwanda. Except for Chuin types (Pachyrizhus tuberosus) which have high storage root dry matter (RDM) (26 to 36%), most accessions are consumed raw and are reported to have low RDM. The present study aimed to evaluate and identify adapted high yielding yam bean accessions in major agro-ecological zones of Rwanda...
2017: Tropical Plant Biology
https://www.readbyqxmd.com/read/28985014/cacao-biotechnology-current-status-and-future-prospects
#17
REVIEW
Anushka M Wickramasuriya, Jim M Dunwell
Theobroma cacao - The Food of the Gods, provides the raw material for the multi-billion dollar chocolate industry, and is also the main source of income for about 6 million smallholders around the world. Additionally, cocoa beans have a number of other non-food uses in the pharmaceutical and cosmetic industries. Specifically, the potential health benefits of cocoa have received increasing attention as it is rich in polyphenols, particularly flavonoids. At present, the demand for cocoa and cocoa-based products in Asia is growing particularly rapidly and chocolate manufacturers are increasing investment in this region...
October 6, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28979243/phenotypic-and-transcriptomic-responses-of-campylobacter-jejuni-suspended-in-an-artificial-freshwater-medium
#18
Hana Trigui, Kristen Lee, Alexandre Thibodeau, Simon Lévesque, Nilmini Mendis, Philippe Fravalo, Ann Letellier, Sébastien P Faucher
Campylobacter jejuni is the leading cause of campylobacteriosis in the developed world. Although most cases are caused by consumption of contaminated meat, a significant proportion is linked to ingestion of contaminated water. The differences between C. jejuni strains originating from food products and those isolated from water are poorly understood. Working under the hypothesis that water-borne C. jejuni strains are better equipped at surviving the nutrient-poor aquatic environment than food-borne strains, the present study aims to characterize these differences using outbreak strains 81116 and 81-176...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28971115/data-on-identification-of-conserved-and-novel-mirnas-in-elettaria-cardamomum
#19
F Nadiya, N Anjali, Jinu Thomas, A Gangaprasad, K K Sabu
Elettaria cardamomum (L.) Maton, or small cardamom referred as 'queen of spices', is a perennial herbaceous rhizomatous monocot of the family Zingiberaceae. Cardamom seeds and fruits are the economically significant parts and effectively used as a traditional medicine, food additive and flavoring agent. In the present study, using Ion Proton next generation sequencing technology we performed the small RNA sequencing, conserved and novel miRNA predictions of a wild and five cultivar genotypes of cardamom. Small RNA sequencing generated a total of 5,451,328 and 2,756,250 raw reads for wild and cultivar cardamom respectively...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28967050/potential-of-fish-scales-as-a-filling-material-in-surface-coating-of-cellulosic-paper
#20
Elif Ural, Emine A Kandirmaz
BACKGROUND: Paper is one of the important inputs for the printing industry, and the most important leading parameter in the printing process is its brightness. Brightness can be brought to paper using coatings and sizing. Desired surface properties and, most importantly, surface roughness can be achieved by changing the contents of the coating and sizing of the materials it contains. The use of biomaterials is becoming more important in the paper industry, as they represent substances with a lower carbon footprint...
September 25, 2017: Journal of Applied Biomaterials & Functional Materials
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