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https://www.readbyqxmd.com/read/28346877/stevia-rebaudiana-bertoni-effect-on-the-hemolytic-potential-of-listeria-monocytogenes
#1
S Sansano, A Rivas, M C Pina-Pérez, A Martinez, D Rodrigo
The effect of Stevia rebaudiana Bertoni on the hemolytic potential of Listeria monocytogenes was studied by means of the assessment of the Listeriolysin O (LLO) production. The three factors under study, stevia concentration in the range [0-2.5] % (w/v), incubation temperature (10 and 37°C), and exposure time (0-65h) significantly affected (p≤0.05) the hemolytic activity of L. monocytogenes. Results showed that at the lower incubation temperature the hemolytic potential of the bacterium was significantly reduced, from 100% at 37°C to 8% at 10°C (after 65h of incubation) in unsupplemented substrate (0% stevia)...
March 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28346362/nutrition-assessment-of-b-vitamins-in-highly-active-and-sedentary-women
#2
Kathleen Woolf, Nicole L Hahn, Megan M Christensen, Amanda Carlson-Phillips, Christine M Hansen
BACKGROUND: Female athletes and active women require adequate nutrition for optimal health and performance. Nutrition assessments are needed to identify potential nutrients of concern. Folate, vitamin B6, and vitamin B12 function in important pathways used during physical activity and female athletes may be at risk for poor status of these micronutrients. This cross-sectional study described a comprehensive nutrition assessment of the B-vitamins (folate, vitamin B6, and vitamin B12) using both dietary (food and dietary supplements) and biochemical assessments among highly active and sedentary women...
March 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28345452/l-glutamine-supplementation-promotes-an-improved-energetic-balance-in-walker-256-tumor-bearing-rats
#3
Heber Amilcar Martins, Roberto Barbosa Bazotte, Geraldo Emilio Vicentini, Mariana Machado Lima, Flavia Alessandra Guarnier, Catchia Hermes-Uliana, Flavia Cristina Vieira Frez, Gleison Daion Piovezana Bossolani, Luciane Fracaro, Larissa Dos Santos Fávaro, Mariana Inocêncio Manzano, Jacqueline Nelisis Zanoni
We evaluated the effects of supplementation with oral l-glutamine in Walker-256 tumor-bearing rats. A total of 32 male Wistar rats aged 54 days were randomly divided into four groups: rats without Walker-256 tumor, that is, control rats (C group); control rats supplemented with l-glutamine (CG group); Walker-256 tumor rats without l-glutamine supplementation (WT group); and WT rats supplemented with l-glutamine (WTG group). l-Glutamine was incorporated into standard food at a proportion of 2 g/100 g (2%). After 10 days of the experimental period, the jejunum and duodenum were removed and processed...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345013/a-pilot-randomized-controlled-clinical-trial-to-assess-tolerance-and-efficacy-of-navy-bean-and-rice-bran-supplementation-for-lowering-cholesterol-in-children
#4
Erica C Borresen, NaNet Jenkins-Puccetti, Katie Schmitz, Dustin G Brown, Austin Pollack, Amanda Fairbanks, Melissa Wdowik, Sangeeta Rao, Tracy L Nelson, Gary Luckasen, Elizabeth P Ryan
Background: Navy beans and rice bran demonstrate efficacy to regulate serum cholesterol in hypercholesterolemic adults; however, the cardiovascular disease (CVD) protective properties of these foods in children are unknown and merit investigation. Objective: The objectives were to determine whether cooked navy bean powder (NBP) and/or heat-stabilized rice bran (RB) supplementation is tolerable, improves dietary fiber intake in children, and modulates lipid profiles. Methods: Children aged 8 to 13 years at risk for CVD due to abnormal lipids were recruited...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28343845/curcumin-inhibits-zika-and-chikungunya-virus-infection-by-inhibiting-cell-binding
#5
Bryan C Mounce, Teresa Cesaro, Lucia Carrau, Thomas Vallet, Marco Vignuzzi
Several compounds extracted from spices and herbs exhibit antiviral effects in vitro, suggesting potential pharmacological uses. Curcumin, a component of turmeric, has been used as a food additive and herbal supplement due to its potential medicinal properties. Previously, curcumin exhibited antiviral properties against several viruses, including dengue virus and hepatitis C virus, among others. Here, we describe the antiviral effect of curcumin on Zika and chikungunya viruses, two mosquito-borne outbreak viruses...
March 23, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28343801/impact-of-therapeutic-food-compared-to-oral-nutritional-supplements-on-nutritional-outcomes-in-mildly-underweight-healthy-children-in-a-low-medium-income-society
#6
Sadia Fatima, Dalia Malkova, Charlotte Wright, Konstantinos Gerasimidis
BACKGROUND & AIMS: Therapeutic foods (RUTF) are used to treat severe acute malnutrition in children 5 years and under in low and middle income countries (LMI), while liquid nutritional supplements (ONS) are used in affluent societies. With globalisation and economic growth in LMI, there will be an inclination to move towards practices applied in affluent countries. This study compared the effect of supplementation with a RUTF and an ONS, on nutritional outcomes in mildly underweight children...
March 16, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28342836/membrane-fatty-acid-composition-as-a-determinant-of-listeria-monocytogenes-sensitivity-to-trans-cinnamaldehyde
#7
Gil Rogiers, Biniam T Kebede, Ann Van Loey, Chris W Michiels
Trans-cinnamaldehyde, the major compound of cinnamon essential oil, is a potentially interesting natural antimicrobial food preservative. Although a number of studies have addressed its mode of action, the factors that determine bacterial sensitivity or tolerance to trans-cinnamaldehyde are poorly understood. We report the detailed characterization of a Listeria monocytogenes Scott A trans-cinnamaldehyde hypersensitive mutant defective in IlvE, which catalyzes the reversible transamination of branched-chain amino acids to the corresponding short-chain α-ketoacids...
March 23, 2017: Research in Microbiology
https://www.readbyqxmd.com/read/28339536/successful-nutrition-policy-improvement-of-vitamin-d-intake-and-status-in-finnish-adults-over-the-last-decade
#8
Susanna Raulio, Iris Erlund, Satu Männistö, Sirpa Sarlio-Lähteenkorva, Jouko Sundvall, Heli Tapanainen, Erkki Vartiainen, Suvi M Virtanen
Due to vitamin D intake below recommendation (10 µg/day) and low (<50 nmol/l) serum 25-hydroxycholecalciferol (25(OH)D) concentration in Finnish population, the fortification of liquid dairy products with 0.5 µg vitamin D/100 g and fat spreads with 10 µg/100 g started in Finland in December 2002. In 2010, the fortification recommendation was doubled. The aim of this study was to investigate whether the vitamin D intake and status have improved among Finnish adults as a consequence of these nutrition policy actions...
October 6, 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/28339339/use-of-dietary-supplements-improved-diet-quality-but-not-cardiovascular-and-nutritional-biomarkers-in-socioeconomically-diverse-african-american-and-white-adults
#9
Marie Fanelli Kuczmarski, May A Beydoun, Emily Stave Shupe, Ryan T Pohlig, Alan B Zonderman, Michele K Evans
Knowledge of the contribution of supplements to overall nutritional health is limited. The research objectives were to describe motivations for use of dietary supplements by African Americans and Whites examined in the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study and to determine if supplements provided beneficial effects to micronutrient diet quality and nutritional and cardiovascular biomarkers. The majority of the HANDLS study population were smokers, overweight or obese, and self-reported their health as poor to good...
March 24, 2017: Journal of Nutrition in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28339058/toenail-selenium-as-an-indicator-of-environmental-exposure-a-cross-sectional-study
#10
Tommaso Filippini, Angela Ferrari, Bernhard Michalke, Peter Grill, Luciano Vescovi, Chiara Salvia, Carlotta Malagoli, Marcella Malavolti, Sabina Sieri, Vittorio Krogh, Annalisa Bargellini, Antonio Martino, Margherita Ferrante, Marco Vinceti
The relation between toxicity and essentiality of selenium (Se) is of growing interest in human health, as the effects may widely differ depending of its different chemical species and the exposure levels. Toenail Se has been proposed as a reliable biomarker of long-term Se exposure, but few studies investigated the correlation between its toenail content and environmental determinants (i.e., dietary food intake). We aimed to determine the relation of toenail Se levels with serum Se species as well as food items...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339021/determinants-of-serum-manganese-levels-in-an-italian-population
#11
Tommaso Filippini, Bernhard Michalke, Peter Grill, Carlotta Malagoli, Marcella Malavolti, Luciano Vescovi, Sabina Sieri, Vittorio Krogh, Andrea Cherubini, Giuseppe Maffeis, Roberto Lucchini, Margherita Ferrante, Marco Vinceti
Manganese (Mn) is both essential and toxic for humans, mainly depending on the total levels and its species. Main sources of exposure include food and air pollution, particularly motorized traffic. We sought to determine the potential influence of these sources on serum total levels of Mn and Mn species. We selected a random sample of municipality residents from an Italian urban municipality, from whom we collected detailed personal information, dietary habits and a blood sample for serum Mn determination...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338641/nerolidol-and-farnesol-inhibit-some-cytochrome-p450-activities-but-did-not-affect-other-xenobiotic-metabolizing-enzymes-in-rat-and-human-hepatic-subcellular-fractions
#12
Alena Špičáková, Barbora Szotáková, Diana Dimunová, Zuzana Myslivečková, Vladimír Kubíček, Martin Ambrož, Kateřina Lněničková, Kristýna Krasulová, Pavel Anzenbacher, Lenka Skálová
Sesquiterpenes, 15-carbon compounds formed from three isoprenoid units, are the main components of plant essential oils. Sesquiterpenes occur in human food, but they are principally taken as components of many folk medicines and dietary supplements. The aim of our study was to test and compare the potential inhibitory effect of acyclic sesquiterpenes, trans-nerolidol, cis-nerolidol and farnesol, on the activities of the main xenobiotic-metabolizing enzymes in rat and human liver in vitro. Rat and human subcellular fractions, relatively specific substrates, corresponding coenzymes and HPLC, spectrophotometric or spectrofluorometric analysis of product formation were used...
March 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28337449/prediction-of-radix-astragali-immunomodulatory-effect-of-cd80-expression-from-chromatograms-by-quantitative-pattern-activity-relationship
#13
Michelle Chun-Har Ng, Tsui-Yan Lau, Kei Fan, Qing-Song Xu, Josiah Poon, Simon K Poon, Mary K Lam, Foo-Tim Chau, Daniel Man-Yuen Sze
The current use of a single chemical component as the representative quality control marker of herbal food supplement is inadequate. In this CD80-Quantitative-Pattern-Activity-Relationship (QPAR) study, we built a bioactivity predictive model that can be applicable for complex mixtures. Through integrating the chemical fingerprinting profiles of the immunomodulating herb Radix Astragali (RA) extracts, and their related biological data of immunological marker CD80 expression on dendritic cells, a chemometric model using the Elastic Net Partial Least Square (EN-PLS) algorithm was established...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337404/revising-reach-guidance-on-information-requirements-and-chemical-safety-assessment-for-engineered-nanomaterials-for-aquatic-ecotoxicity-endpoints-recommendations-from-the-envnano-project
#14
Steffen Foss Hansen, Sara Nørgaard Sørensen, Lars Michael Skjolding, Nanna B Hartmann, Anders Baun
The European Chemical Agency (ECHA) is in the process of revising its guidance documents on how to address the challenges of ecotoxicological testing of nanomaterials. In these revisions, outset is taken in the hypothesis that ecotoxicological test methods, developed for soluble chemicals, can be made applicable to nanomaterials. European Research Council project EnvNano-Environmental Effects and Risk Evaluation of Engineered, which ran from 2011 to 2016, took another outset by assuming that: "The behaviour of nanoparticles in suspension is fundamentally different from that of chemicals in solution"...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28337267/exploration-of-the-effect-of-probiotics-supplementation-on-intestinal-microbiota-of-food-allergic-mice
#15
Bo Yang, Liang Xiao, Sheng Liu, Xiaoyu Liu, Yan Luo, Qiongmei Ji, Pingchang Yang, Zhigang Liu
Environmental factor-induced alterations in intestinal microbiota have been demonstrated to be associated with increasing prevalence of food allergy. However, it is not clear to what extent oral administration of probiotics can affect gut microbiota composition, thus inhibiting food allergy development. Using ovalbumin (OVA)-sensitized murine model, it was demonstrated that probiotics ameliorated allergic symptoms, including reducing OVA specific-IgE, and -IgG1 levels in the serum, Th2 cytokines release in spleen, and occurrence of diarrhea...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337185/food-like-growth-conditions-support-production-of-active-vitamin-b12-by-propionibacterium-freudenreichii-2067-without-dmbi-the-lower-ligand-base-or-cobalt-supplementation
#16
Paulina Deptula, Bhawani Chamlagain, Minnamari Edelmann, Panchanit Sangsuwan, Tuula A Nyman, Kirsi Savijoki, Vieno Piironen, Pekka Varmanen
Propionibacterium freudenreichii is a traditional dairy bacterium and a producer of short chain fatty acids (propionic and acetic acids) as well as vitamin B12. In food applications, it is a promising organism for in situ fortification with B12 vitamin since it is generally recognized as safe (GRAS) and it is able to synthesize biologically active form of the vitamin. In the present study, vitamin B12 and pseudovitamin biosynthesis by P. freudenreichii was monitored by UHPLC as a function of growth in food-like conditions using a medium mimicking cheese environment, without cobalt or 5,6-dimethylbenzimidazole (DMBI) supplementation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28336334/agricultural-utilization-of-biosolids-a-review-on-potential-effects-on-soil-and-plant-grown
#17
REVIEW
Bhavisha Sharma, Abhijit Sarkar, Pooja Singh, Rajeev Pratap Singh
Environmental and economic implications linked with the proper ecofriendly disposal of modern day wastes, has made it essential to come up with alternative waste management practices that reduce the environmental pressures resulting from unwise disposal of such wastes. Urban wastes like biosolids are loaded with essential plant nutrients. In this view, agricultural use of biosolids would enable recycling of these nutrients and could be a sustainable approach towards management of this hugely generated waste...
March 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28336284/macular-pigment-density-variation-after-supplementation-of-lutein-and-zeaxanthin-using-the-visucam-%C3%A2-200-pigment-module-impact-of-age-related-macular-degeneration-and-lens-status
#18
G Azar, M Quaranta-El Maftouhi, J-J Masella, M Mauget-Faÿsse
PURPOSE: To assess the evolution of macular pigment optical density (MPOD) following supplementation with various macular formulations obtained with the Visucam(®) 200, and to study the factors affecting MPOD measurements. MATERIALS AND METHODS: In this prospective, randomized, double-masked multicenter study, patients were divided into 2 groups: group A (patients without retinal pathology who underwent cataract surgery 1 month previously) and group B (patients with neovascular age-related macular degeneration [AMD] in one eye)...
March 20, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28336109/multivitamin-mineral-supplements-rationale-and-safety
#19
REVIEW
Hans K Biesalski, Jana Tinz
Multivitamin/mineral supplements (MVMs) are widely used in many populations. MVMs, together with iron and folic acid, are recommended for pregnant women to improve birth outcome and to reduce low-birthweight and rates of miscarriage. However, MVM use is common in the general population as well. The aim of the present review was to evaluate the safety of long-term use of these supplements. To examine the safety of MVM use, we performed a literature search for randomized controlled studies involving supplementation with a combination of at least nine vitamins and three minerals at a maximum concentration of 100% of the Recommended Dietary Allowance...
April 2017: Nutrition
https://www.readbyqxmd.com/read/28335462/therapeutic-potentials-of-microalgae-in-the-treatment-of-alzheimer-s-disease
#20
REVIEW
Tosin A Olasehinde, Ademola O Olaniran, Anthony I Okoh
Current research is geared towards the discovery of new compounds with strong neuroprotective potential and few or no side effects compared to synthetic drugs. This review focuses on the potentials of extracts and biologically active compounds derived from microalgal biomass for the treatment and management of Alzheimer's disease (AD). Microalgal research has gained much attention recently due to its contribution to the production of renewable fuels and the ability of alga cells to produce several secondary metabolites such as carotenoids, polyphenols, sterols, polyunsaturated fatty acids and polysaccharides...
March 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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