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https://www.readbyqxmd.com/read/29793168/olive-oil-polyphenols-reduce-oxysterols-induced-redox-imbalance-and-pro-inflammatory-response-in-intestinal-cells
#1
Gessica Serra, Alessandra Incani, Gabriele Serreli, Laura Porru, M Paola Melis, Carlo I G Tuberoso, Daniela Rossin, Fiorella Biasi, Monica Deiana
Dietary habits may strongly influence intestinal homeostasis. Oxysterols, the oxidized products of cholesterol present in cholesterol-containing foodstuffs, have been shown to exert pro-oxidant and pro-inflammatory effects, altering intestinal epithelial layer and thus contributing to the pathogenesis of human inflammatory bowel diseases and colon cancer. Extra virgin olive oil polyphenols possess antioxidant and anti-inflammatory properties, and concentrate in the intestinal lumen, where may help in preventing intestinal diseases...
May 16, 2018: Redox Biology
https://www.readbyqxmd.com/read/29792759/hematologic-parameters-and-viral-status-for-zika-chikungunya-bluetongue-and-epizootic-hemorrhagic-disease-in-white-tailed-deer-odocoileus-virginianus-on-st-john-us-virgin-islands
#2
Jon D Reuter, Suzanne L Nelson
A population of white-tailed deer ( Odocoileus virginianus) resides throughout the island of St John, US Virgin Islands, predominately in the Virgin Islands National Park. Adult deer ( n=23), ranging from 1 yr to 8 yr old, were assessed to characterize body condition and health. Serologic samples were screened for important viral pathogens in the area, including Zika, chikungunya, bluetongue, and epizootic hemorrhagic disease viruses. Samples were collected in July 2016; males were in velvet and all females were in diestrus...
May 24, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29788874/hydroxytyrosol-emerging-trends-in-potential-therapeutic-applications
#3
Maria Carmen Lopez de Las Hazas, Laura Rubio, Alba Macia, Maria Jose Motilva
Hydroxytyrosol (HT) and its derivatives represent the minor components of virgin olive oil (VOO) that are of great interest for their pharmacological properties and among the most widely researched natural antioxidant compounds. In this review, the occurrence and metabolic fate of HT and its precursors are presented prior to discussing its beneficial effects on health. Bioavailability studies show that the metabolites detected in plasma depend on the model used (animal or human), the HT source (simple molecule or complex precursors) and the dose administered...
May 21, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29786845/a-simple-and-portable-screening-method-for-adulterated-olive-oils-using-the-hand-held-ftir-spectrometer-and-chemometrics-tools
#4
Meng Pan, Suqin Sun, Qun Zhou, Jianbo Chen
Extra virgin olive oil has been one of the most common targets for economically motivated food adulteration. This research employed the hand-held FTIR spectrometer to develop the simple and portable screening methods for extra virgin olive oils adulterated with other cheaper vegetable oils. With the help of the ATR probe and chemometrics tools, oil samples can be measured directly without any pretreatment, then the spectra can be interpreted automatically to determine the possibility of adulteration and estimate the content of adulterant oil...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29785626/sex-attractant-pheromones-of-virgin-queens-of-sympatric-slave-making-ant-species-in-the-genus-polyergus-and-their-possible-roles-in-reproductive-isolation
#5
Les Greenberg, Christine A Johnson, James C Trager, J Steven McElfresh, Joshua Rodstein, Jocelyn G Millar
Species of the ant genus Polyergus are social parasites that steal brood from colonies of their hosts in the closely related genus Formica. Upon emergence as adults in a mixed population, host Formica workers carry out all the normal worker functions within the Polyergus colony, including foraging, feeding, grooming, and rearing brood of the parasitic Polyergus ants. Some unmated Polyergus gynes (queens) run in the raiding columns of their colonies and attract males by releasing a pheromone from their mandibular glands...
May 22, 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29784331/selected-ion-flow-tube-mass-spectrometry-sift-ms-fingerprinting-versus-chemical-profiling-for-geographic-traceability-of-moroccan-argan-oils
#6
Mourad Kharbach, Rabie Kamal, Mohammed Alaoui Mansouri, Ilias Marmouzi, Johan Viaene, Yahia Cherrah, Katim Alaoui, Joeri Vercammen, Abdelaziz Bouklouze, Yvan Vander Heyden
This study investigated the effectiveness of SIFT-MS versus chemical profiling, both coupled to multivariate data analysis, to classify 95 Extra Virgin Argan Oils (EVAO), originating from five Moroccan Argan forest locations. The full scan option of SIFT-MS, is suitable to indicate the geographic origin of EVAO based on the fingerprints obtained using the three chemical ionization precursors (H3 O+ , NO+ and O2 + ). The chemical profiling (including acidity, peroxide value, spectrophotometric indices, fatty acids, tocopherols- and sterols composition) was also used for classification...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29783675/diffusibility-enhancement-of-rejuvenator-by-epoxidized-soybean-oil-and-its-influence-on-the-performance-of-recycled-hot-mix-asphalt-mixtures
#7
Dongliang Kuang, Yuan Jiao, Zhou Ye, Zaihong Lu, Huaxin Chen, Jianying Yu, Ning Liu
Epoxidized soybean oil (ESO) was employed as a novel penetrant cooperating with a conventional rejuvenator (CR) for the recycling of reclaimed asphalt pavement (RAP). The influence of ESO on the diffusibility and the regenerating effects of CR on RAP were investigated. The diffusibility testing result shows that the diffusibility of CR is enhanced by the addition of ESO because the epoxy group in ESO can facilitate asphaltene dispersion due to its high polarity, which simultaneously reduces the viscosity and improves the fluidity of aged bitumen so as to allow diffusion of the rejuvenator into the aged bitumen...
May 18, 2018: Materials
https://www.readbyqxmd.com/read/29781926/repeatability-and-intersession-reproducibility-of-pentacam-corneal-thickness-maps-in-fuchs-dystrophy-and-endothelial-keratoplasty
#8
David Mingo-Botín, Francisco Arnalich-Montiel, Ana Couceiro de Juan, Sara Ortiz-Toquero
PURPOSE: To assess intrasession repeatability and intersession reproducibility of Pentacam corneal thickness maps in patients with Fuchs endothelial corneal dystrophy (FECD) before and after endothelial transplantation. METHODS: In this observational diagnostic evaluation, 20 healthy subjects along with 81 consecutive patients were examined. Patients were classified into 4 groups: FECD without corneal edema, FECD with corneal edema, Descemet stripping automated endothelial keratoplasty, and Descemet membrane endothelial keratoplasty...
May 16, 2018: Cornea
https://www.readbyqxmd.com/read/29776994/first-demonstration-of-olfactory-learning-and-long-term-memory-in-honey-bee-queens
#9
Zhiwen Gong, Ken Tan, James C Nieh
As the primary source of colony reproduction, social insect queens play a vital role. However, the cognitive abilities of queens are not well understood, although queen learning and memory are essential in multiple species such as honey bees, in which virgin queens must leave the nest and then successful learn to navigate back over repeated nuptial flights. Honey bee queen learning has never been previously demonstrated. We therefore tested olfactory learning in queens and workers and examined the role of DNA methylation, which plays a key role in long term memory formation...
May 18, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29773133/evaluation-of-tritrichomonas-foetus-infection-clearance-in-heifers-immunized-with-a-single-intravaginal-dose-of-formaldehyde-fixed-strain-b1-cells
#10
Florencia Gracia Martinez, Lumila Fuchs, Rosana Ramirez, Javier Breccia, Jorge Oyhenart
Vaccines against Tritrichomonas foetus have been shown to reduce the time of infection after natural or experimental exposure. The object of this study was to assess the protection against T. foetus infection conferred by a single vaginal instillation of formaldehyde fixed T. foetus cells. Aberdeen Angus virgin heifers were randomly allocated to 3 groups of 12 individuals to receive placebo or formaldehyde fixed T. foetus cells prepared following one of two procedures (formalin or freshly prepared solution) and six weeks later they were challenged with 106 T...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29772657/effects-of-virgin-olive-oils-differing-in-their-bioactive-compound-contents-on-metabolic-syndrome-and-endothelial-functional-risk-biomarkers-in-healthy-adults-a-randomized-double-blind-controlled-trial
#11
Estefania Sanchez-Rodriguez, Elena Lima-Cabello, Sara Biel-Glesson, Jose R Fernandez-Navarro, Miguel A Calleja, Maria Roca, Juan A Espejo-Calvo, Blas Gil-Extremera, Maria Soria-Florido, Rafael de la Torre, Montserrat Fito, Maria-Isabel Covas, Juan de Dios Alche, Emilio Martinez de Victoria, Angel Gil, Maria D Mesa
The aim of this study was to evaluate the effect of virgin olive oils (VOOs) enriched with phenolic compounds and triterpenes on metabolic syndrome and endothelial function biomarkers in healthy adults. The trial was a three-week randomized, crossover, controlled, double-blind, intervention study involving 58 subjects supplemented with a daily dose (30 mL) of three oils: (1) a VOO (124 ppm of phenolic compounds and 86 ppm of triterpenes); (2) an optimized VOO (OVOO) (490 ppm of phenolic compounds and 86 ppm of triterpenes); and (3) a functional olive oil (FOO) high in phenolic compounds (487 ppm) and enriched with triterpenes (389 ppm)...
May 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29772514/the-effect-of-polymer-aging-on-the-uptake-of-fuel-aromatics-and-ethers-by-microplastics
#12
Axel Müller, Roland Becker, Ute Dorgerloh, Franz-Georg Simon, Ulrike Braun
Microplastics are increasingly entering marine, limnic and terrestrial ecosystems worldwide, where they sorb hydrophobic organic contaminants. Here, the sorption behavior of the fuel-related water contaminants benzene, toluene, ethyl benzene and xylene (BTEX) and four tertiary butyl ethers to virgin and via UV radiation aged polypropylene (PP) and polystyrene (PS) pellets was investigated. Changes in material properties due to aging were recorded using appropriate polymer characterization methods, such as differential scanning calorimetry, Fourier transform infrared spectroscopy, gel permeation chromatography, X-ray photoelectron spectroscopy, and microscopy...
May 14, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29766292/gut-derived-lipopolysaccharides-increase-post-prandial-oxidative-stress-via-nox2-activation-in-patients-with-impaired-fasting-glucose-tolerance-effect-of-extra-virgin-olive-oil
#13
Roberto Carnevale, Daniele Pastori, Cristina Nocella, Vittoria Cammisotto, Simona Bartimoccia, Marta Novo, Maria Del Ben, Alessio Farcomeni, Francesco Angelico, Francesco Violi
PURPOSE: Post-prandial phase is characterized by enhanced oxidative stress but the underlying mechanism is unclear. We investigated if gut-derived lipopolysaccharide (LPS) is implicated in this phenomenon and the effect of extra virgin olive oil (EVOO) in patients with impaired fasting glucose (IFG). METHODS: This is a randomized cross-over interventional study including 30 IFG patients, to receive a lunch with or without 10 g of EVOO. Serum LPS, Apo-B48, markers of oxidative stress such as oxidized LDL (oxLDL) and soluble Nox2-derived peptide (sNox2-dp), a marker of nicotinamide-adenine-dinucleotide-phosphate oxidase isoform Nox2 activation, and plasma polyphenols were determined before, 60 and 120 min after lunch...
May 16, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29763526/extra-virgin-olive-oil-with-natural-phenolic-content-exerts-an-anti-inflammatory-effect-in-adipose-tissue-and-attenuates-the-severity-of-atherosclerotic-lesions-in-ldlr-leiden-mice
#14
Amparo Luque-Sierra, Leticia Alvarez-Amor, Robert Kleemann, Franz Martín, Lourdes M Varela
SCOPE: We evaluated the effect of olive oils with different phenolic content in high-fat diets (HFDs) on hypertrophy and inflammation in adipose tissue and associated atherosclerosis, in the context of obesity. METHODS AND RESULTS: We used Ldlr-/-.Leiden mice fed three different HFDs for 32 weeks and compared them with mice fed the standard low-fat diet (LFD). The different fats provided in the HFDs were: lard (HFD-L), extra-virgin olive oil (79 mg kg-1 of phenolic compounds, HFD-EVOO), or extra-virgin olive oil rich in phenolic compounds (444mg kg-1 of phenolic compounds, HFD-OL)...
May 15, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29762533/self-healing-capacity-of-asphalt-mixtures-including-by-products-both-as-aggregates-and-heating-inductors
#15
Marta Vila-Cortavitarte, Daniel Jato-Espino, Daniel Castro-Fresno, Miguel Á Calzada-Pérez
Major advances have been achieved in the field of self-healing by magnetic induction in which the addition of metallic particles into asphalt mixtures enables repairing their own cracks. This technology has already been proven to increase the life expectancy of roads. Nevertheless, its higher costs in comparison with conventional maintenance caused by the price of virgin metallic particles still makes it unattractive for investment. This research aimed at making this process economically accessible as well as environmentally efficient...
May 15, 2018: Materials
https://www.readbyqxmd.com/read/29753975/the-dependence-of-chlorine-decay-and-dbp-formation-kinetics-on-pipe-flow-properties-in-drinking-water-distribution
#16
Yingying Zhao, Y Jeffrey Yang, Yu Shao, Jill Neal, Tuqiao Zhang
Simultaneous chlorine decay and disinfection byproduct (DBP) formation have been discussed extensively because of their regulatory and operational significance. This study further examines chemical reaction variability in the water quality changes under various hydrodynamic conditions in drinking water distribution. The variations of kinetic constant for overall chlorine decay (kE ) and trihalomethane (THM) formation were determined under stagnant to turbulent flows using three devices of different wall demand and two types of natural organic matters (NOM) in water...
April 27, 2018: Water Research
https://www.readbyqxmd.com/read/29753866/characterization-of-phenolic-extracts-from-brava-extra-virgin-olive-oils-and-their-cytotoxic-effects-on-mcf-7-breast-cancer-cells
#17
Patricia Reboredo-Rodríguez, Carmen González-Barreiro, Beatriz Cancho-Grande, Tamara Y Forbes-Hernández, Massimiliano Gasparrini, Sadia Afrin, Danila Cianciosi, Alegría Carrasco-Pancorbo, Jesús Simal-Gándara, Francesca Giampieri, Maurizio Battino
The aim of the present work was to evaluate the phenolic profile of the 'Brava' extra virgin olive oil and assess its potential as a "natural adjuvant" in combination with chemotherapy treatment. The total phenol content of the phenolic extracts was 764 mg gallic acid equivalents/kg and the total antioxidant capacity was 2309, 1881 and 2088 μM trolox equivalents/kg determined by Diphenyl-1-picrylhydrazyl free radical method, Ferric Reducing Antioxidant Power and Trolox Equivalent Antioxidant Capacity assay, respectively...
May 10, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29753655/are-the-u-s-territories-lagging-behind-in-diabetes-care-practices
#18
Rachel P Ogilvie, Shivani A Patel, K M Venkat Narayan, Neil K Mehta
AIMS: Although U.S. territories fall within the mandate outlined by Healthy People 2020, they remain neglected in diabetes care research. We compared the prevalence and secular trends of four recommended diabetes care practices in the U.S. territories of Guam, Puerto Rico, and the U.S. Virgin Islands to the 50 United States and D.C. ("U.S. States") in 2001-2015. METHODS: Data were from 390,268 adult participants with self-reported physician diagnosed diabetes in the Behavioral Risk Factor Surveillance System...
May 9, 2018: Primary Care Diabetes
https://www.readbyqxmd.com/read/29750565/pregnancy-late-in-rodent-life-has-detrimental-effects-on-the-heart
#19
Eunhee Chung, Kaylan M Haizlip, Leslie A Leinwand
During pregnancy, the heart undergoes significant and numerous changes, including hypertrophy that are usually described as physiological and reversible. Two aspects of the cardiac response to pregnancy are relatively understudied: advanced maternal age and multiple pregnancies (multiparity). Repeated breeder mice (RB) that have undergone 5 to 7 consecutive pregnancies were sacrificed 21 days after the weaning of their last pups and were compared to age-matched primiparous, one-time pregnant mice (O1P). The ages of the old mouse groups were similar (12 {plus minus} 1 month)...
May 11, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29747118/hydroxytyrosol-ameliorates-insulin-resistance-by-modulating-endoplasmic-reticulum-stress-and-prevents-hepatic-steatosis-in-diet-induced-obesity-mice
#20
Ningning Wang, Yang Liu, Yanan Ma, Deliang Wen
Endoplasmic reticulum (ER) is a principal organelle responsible for energy and nutrient management. Its dysfunction has been viewed in the context of obesity and related glucolipid metabolic disorders. However, therapeutic approaches to improve ER adaptation and systemic energy balance in obesity are limited. Thus, we examined whether hydroxytyrosol (HT), an important polyphenolic compound found in virgin olive oil, could correct the metabolic impairments in diet-induced obesity (DIO) mice. Here, we found that HT gavage for 10 weeks significantly ameliorated glucose homeostasis and chronic inflammation and decreased hepatic steatosis in DIO mice...
April 2, 2018: Journal of Nutritional Biochemistry
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