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https://www.readbyqxmd.com/read/28734988/can-adverse-effects-of-excessive-vitamin-d-supplementation-occur-without-developing-hypervitaminosis-d
#1
REVIEW
Mohammed S Razzaque
Vitamin D is a fat-soluble hormone that has endocrine, paracrine and autocrine functions. Consumption of vitamin D-supplemented food & drugs have increased significantly in the last couple of decades due to campaign and awareness programs. Despite such wide use of artificial vitamin D supplements, serum levels of 25 hydroxyvitamin D [25(OH)D] does not always reflect the amount of uptake. In contrast to the safe sunlight exposure, prolonged and disproportionate consumption of vitamin D supplements may lead to vitamin D intoxication, even without developing hypervitaminosis D...
July 19, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28731606/feasibility-of-home-based-dietetic-intervention-to-improve-the-nutritional-status-of-older-adults-post-hospital-discharge
#2
Aliza Haslinda Hamirudin, Karen Walton, Karen Charlton, Amanda Carrie, Linda Tapsell, Marianna Milosavljevic, Glen Pang, Jan Potter
AIM: To determine if a model of home-based dietetic care improves dietary intake and weight status in a specific group of older adults post-hospitalisation. METHODS: The Department of Veterans' Affairs clients aged 65 years and over were recruited from hospitals in a regional area of New South Wales, Australia (n = 32 men, n = 36 women). Nutritional status was assessed at home at baseline (within two weeks post-discharge) and three months post-discharge using a diet history, a food frequency checklist and Mini Nutritional Assessment (MNA)...
July 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28731600/spot-testing-urine-ph-a-novel-dietary-biomarker-a-randomised-cross-over-trial
#3
Benjamin H Parmenter, Gary J Slater, Lynda A Frassetto
AIM: Spot-tests of urine pH are claimed to be an accessible biomarker of net acid excretion (NAE), and as such, they may be able to determine changes in an individual's intake of acid- or base-forming foods. To test this hypothesis, we aimed to determine if spot-tests of urine pH could index NAE and relay the consumption of a fruit and vegetable (F&V) concentrate whilst determining this concentrate's capacity to modulate NAE. METHODS: In a double blind, placebo-controlled, cross-over trial, healthy adults (n = 13) were allocated by simple randomisation to receive a F&V concentrate or placebo for three days each, with diet standardised throughout...
July 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28727091/endogenous-fat-loss-and-true-total-tract-digestibility-of-poultry-fat-in-adult-dogs
#4
F R Marx, L Trevizan, F M O B Saad, K G Lisenko, J S Reis, A M Kessler
Fat plays an important role in the carnivore diet. It has high digestibility and high energy content and likely improves digestibility of the diet when present in greater amounts, suggesting that endogenous fat adversely affects the apparent digestibility of fat in low-fat diets. This study aimed to determine the endogenous fat loss (EFL) and true total tract digestibility (TTTD) of fat in dogs by using diets having different fat:carbohydrate ratios. Furthermore, the apparent total tract digestibility (ATTD) of macronutrients and energy, food intake, fecal output, and stool quality were evaluated...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28725111/oxidative-stress-and-food-supplementation-with-antioxidants-in-therapy-dogs
#5
Sara Sechi, Filippo Fiore, Francesca Chiavolelli, Corrado Dimauro, Anna Nudda, Raffaella Cocco
The objective of this study was to evaluate the ability of a long-term antioxidant-supplemented diet to regulate the oxidative stress and general health status of dogs involved in animal-assisted intervention (AAI) programs. Oxidative stress is a consequence of the accumulation of reactive oxygen species (ROS). Exercise-induced oxidative stress can increase muscle fatigue and fiber damage and eventually leads to impairment of the immune system. A randomized, placebo-controlled, crossover clinical evaluation was conducted with 11 healthy therapy dogs: 6 females and 5 males of different breeds and with a mean age of 2...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28724643/a-review-of-the-characteristics-of-dietary-fibers-relevant-to-appetite-and-energy-intake-outcomes-in-human-intervention-trials
#6
Kaisa S Poutanen, Pierre Dussort, Alfrun Erkner, Susana Fiszman, Kavita Karnik, Mette Kristensen, Cyril Fm Marsaux, Sophie Miquel-Kergoat, Saara P Pentikäinen, Peter Putz, Joanne L Slavin, Robert E Steinert, David J Mela
Background: Many intervention studies have tested the effect of dietary fibers (DFs) on appetite-related outcomes, with inconsistent results. However, DFs comprise a wide range of compounds with diverse properties, and the specific contribution of these to appetite control is not well characterized.Objective: The influence of specific DF characteristics [i.e., viscosity, gel-forming capacity, fermentability, or molecular weight (MW)] on appetite-related outcomes was assessed in healthy humans.Design: Controlled human intervention trials that tested the effects of well-characterized DFs on appetite ratings or energy intake were identified from a systematic search of literature...
July 19, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28723186/ingestible-sensors
#7
Kourosh Kalantar-Zadeh, Nam Ha, Jian Zhen Ou, Kyle J Berean
Ingestible sensing capsules are fast emerging as a critical technology that has the ability to greatly impact health, nutrition, and clinical areas. These ingestible devices are noninvasive and hence are very attractive for customers. With widespread access to smart phones connected to the Internet, the data produced by this technology can be readily seen and reviewed online, and accessed by both users and physicians. The outputs provide invaluable information to reveal the state of gut health and disorders as well as the impact of food, medical supplements, and environmental changes on the gastrointestinal tract...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722484/consumer-perceptions-of-the-safety-of-ready-to-eat-foods-in-retail-food-store-settings
#8
Katrina Levine, Mary Yavelak, John B Luchansky, Anna C S Porto-Fett, Benjamin Chapman
To better understand how consumers perceive food safety risks in retail food store settings, a survey was administered to 1,041 nationally representative participants who evaluated possible food safety risks depicted in selected photographs and self-reported their perceptions, attitudes, and behaviors. Participants were shown 12 photographs taken at retail stores portraying either commonly perceived or actual food safety contributing factors, such as cross-contamination, product and equipment temperatures, worker hygiene, and/or store sanitation practices...
July 19, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28720375/protective-role-of-antioxidant-compounds-against-peroxynitrite-mediated-modification-of-r54c-mutant-%C3%AE-a-crystallin
#9
Kazem Khoshaman, Reza Yousefi, Ali Akbar Moosavi-Movahedi
As a highly potent reactive oxygen and nitrogen species, peroxynitrite (PON) has endogenous production in the eye ball and contributes to a variety of ocular disorders. In the current study the structural characteristics, chaperone-like activity and conformational stability of R54C mutant αA-crystallin (αA-Cry) were studied upon modification with PON and in the presence of three antioxidant compounds such as ascorbic acid (ASA), glutathione (GSH) and N-acetylcysteine (NAC) using gel electrophoresis and different spectroscopy methods...
July 16, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28719947/efficient-liquid-media-for-encystation-of-pathogenic-free-living-amoebae
#10
Hae-Jin Sohn, Heekyoung Kang, Ga-Eun Seo, Jong-Hyun Kim, Suk-Yul Jung, Ho-Joon Shin
Pathogenic Naegleria fowleri, Acanthamoeba castellanii, and Acanthamoeba polyphaga, are distributed worldwide. They are causative agents of primary amoebic meningoencephalitis or acanthamoebic keratitis in humans, respectively. Trophozoites encyst in unfavorable environments, such as exhausted food supply and desiccation. Until recently, the method of N. fowleri encystation used solid non-nutrient agar medium supplemented with heat-inactivated Escherichia coli; however, for the amoebic encystment of Acanthamoeba spp...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28719892/cinnamaldehyde-ameliorates-diet-induced-obesity-in-mice-by-inducing-browning-of-white-adipose-tissue
#11
Jiacheng Zuo, Dandan Zhao, Na Yu, Xin Fang, Qianqian Mu, Yue Ma, Fangfang Mo, Rui Wu, Rufeng Ma, Lili Wang, Ruyuan Zhu, Haixia Liu, Dongwei Zhang, Sihua Gao
BACKGROUND/AIMS: Obesity has become a major health concern with few effective medications. Cinnamaldehyde (CA) has been reported to exhibit anti-diabetic and anti-inflammatory properties. However, whether CA shows anti-obesity activity remains unknown. Therefore, the present study aimed to investigate the potential anti-obesity effects of CA on mice fed a high-fat diet (HFD) and to explore the possible mechanisms involved. METHODS: Male C57BL/6J mice fed an HFD for 12 weeks were supplemented with CA (40 mg/kg/day) via gavage for an additional 8 weeks...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28719146/natural-compounds-in-cancer-prevention-effects-of-coffee-extracts-and-their-main-polyphenolic-component-5-cqa-on-oncogenic-ras-proteins
#12
Alessandro Palmioli, Carlotta Cairamelli, Renata Tisi, Michela Spinelli, Gaia De Sanctis, Elena Sacco, Cristina Airoldi
Recent epidemiological studies demonstrate that consumption of healthy foods, especially rich in polyphenols content, might reduce the incidence of cancer and degenerative diseases. In particular, chlorogenic acids (CGAs) occur ubiquitously in food, representing the most abundant polyphenols in the human diet. A number of CGA beneficial biological effects, including anti-inflammatory activity, anti-carcinogenic activity and protection against neurodegenerative diseases have been reported. However, the molecular mechanisms at the basis of these biological activities have not yet been investigated in depth...
July 18, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28718800/enriching-diet-with-n-3-pufas-to-help-prevent-cardiovascular-diseases-in-healthy-adults-results-from-clinical-trials
#13
REVIEW
Matteo Manuelli, Lucio Della Guardia, Hellas Cena
Omega-3 polyunsaturated fatty acids (n-3 PUFAs) are believed to be important for cardiovascular health. Many investigations have been carried out in an attempt to examine the effect of n-3 PUFAs intake, in the form of supplementation or fortified foods, for the management of cardiovascular disease (CVD) and risk factors for CVD, whereas less is known about the effect on healthy individuals. The present study reviews the available literature in order to examine the relationship between n-3 PUFAs intake, either via supplementation or enriched food, and the prevention of CVD among healthy adults...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28718789/flavonoid-and-antioxidant-capacity-of-propolis-prediction-using-near-infrared-spectroscopy
#14
Eddy Betances-Salcedo, Isabel Revilla, Ana M Vivar-Quintana, M Inmaculada González-Martín
The use of propolis as a dietary supplement or as an ingredient in different food products is increasing, due to its antioxidant and bactericidal properties. These nutritional properties directly depend on its phenolic composition. For this reason, this study analysed the total contents of flavones and flavonols, flavanones and dihydroflavonols, and the antioxidant capacity by using the methods of ABTS and linoleic acid/β-carotene in 99 samples of propolis from Spain and Chile. A rapid method was developed for quantifying these parameters in raw propolis using near infrared (NIR) spectroscopy with a remote reflectance fibre-optic probe applied directly to the ground-up sample...
July 18, 2017: Sensors
https://www.readbyqxmd.com/read/28718519/cookies-elaborated-with-oat-and-common-bean-flours-improved-serum-markers-in-diabetic-rats
#15
Iza F Pérez-Ramírez, Laura J Becerril-Ocampo, Rosalía Reynoso-Camacho, Mayra Denise Herrera, S Horacio Guzmán-Maldonado, Raquel K Cruz-Bravo
BACKGROUND: Common beans have been associated to anti-diabetic effects, due to its high content of bioactive compounds. Nevertheless, its consumption has decreased worldwide. Therefore, there is an increasing interest in the development of novel functional foods elaborated with common beans. The aim of this study was to evaluate the anti-diabetic effect of oat-bean flour cookies, and to analyze its bioactive composition, using commercial oat-wheat cookies for comparative purposes. RESULTS: Oat-bean cookies (1...
July 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28718025/reduction-of-individual-or-combined-toxicity-of-fumonisin-b1-and-zearalenone-via-dietary-inclusion-of-organo-modified-nano-montmorillonite-in-rats
#16
Aziza A El-Nekeety, Ahmed A El-Kady, Khaled G Abdel-Wahhab, Nabila S Hassan, Mosaad A Abdel-Wahhab
Fusarium mycotoxins are nature environmental contaminants worldwide in animal feed and human food resulting in a serious health risk. The present study aimed to evaluate the potential role of organo-modified nano-montmorillonite (OMNM) against the health risk and the oxidative stress resulted from the exposure of fumonisin (FB1) and zearalenone (ZEN) individually and in combination in rats. Eight groups of female Sprague Dawley rats were treated orally for 3 weeks including the control group, FB1 alone-treated group (50 mg/kg b...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28717982/characterization-of-zinc-amino-acid-complexes-for-zinc-delivery-in-vitro-using-caco-2-cells-and-enterocytes-from-hipsc
#17
Ann Katrin Sauer, Stefanie Pfaender, Simone Hagmeyer, Laura Tarana, Ann-Kathrin Mattes, Franziska Briel, Sébastien Küry, Tobias M Boeckers, Andreas M Grabrucker
Zn is essential for growth and development. The bioavailability of Zn is affected by several factors such as other food components. It is therefore of interest, to understand uptake mechanisms of Zn delivering compounds to identify ways to bypass the inhibitory effects of these factors. Here, we studied the effect of Zn amino acid conjugates (ZnAAs) on the bioavailabilty of Zn. We used Caco-2 cells and enterocytes differentiated from human induced pluripotent stem cells from a control and Acrodermatitis enteropathica (AE) patient, and performed fluorescence based assays, protein biochemistry and atomic absorption spectrometry to characterize cellular uptake and absorption of ZnAAs...
July 17, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28717846/effects-of-xylitol-and-sucrose-mint-products-on-streptococcus-mutans-colonization-in-a-dental-simulator-model
#18
Krista M Salli, Ulvi K Gürsoy, Eva M Söderling, Arthur C Ouwehand
Few laboratory methods exist for evaluating the cariogenicity of food ingredients. In this study, a dental simulator was used to determine the effects of commercial sucrose and xylitol mint products on the adherence and planktonic growth of Streptococcus mutans. Solutions (3% w/v) of sucrose, xylitol, sucrose mints, xylitol mints, xylitol with 0.02% peppermint oil (PO), and 0.02% PO alone were used to test the levels of planktonic and adhered S. mutans. A dental simulator with continuous artificial saliva flow, constant temperature, and mixing was used as a test environment and hydroxyapatite (HA) discs were implemented into the model to simulate the tooth surface...
July 17, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28717811/effect-on-body-weight-quality-of-life-and-appetite-following-individualized-nutritional-counselling-to-home-living-elderly-after-rehabilitation-an-open-randomized-trial
#19
J Andersson, E Hulander, E Rothenberg, P Ole Iversen
OBJECTIVES: We examined if individually-adapted nutritional counselling could prevent > 5% weight loss among elderly patients 3 months after discharge from a rehabilitation institution. In addition we assessed quality of life (QoL) and appetite. DESIGN: An open, randomized trial. SETTING: Godthaab Health and Rehabilitation Institution in Bærum, Norway. PARTICIPANTS: Patients identified as being undernourished or at risk of disease-related malnutrition using the Nutritional Risk Screening tool NRS-2002...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28717143/fish-oil-supplementation-to-rats-fed-high-fat-diet-during-pregnancy-prevents-development-of-impaired-insulin-sensitivity-in-male-adult-offspring
#20
Benjamin B Albert, Mark H Vickers, Clint Gray, Clare M Reynolds, Stephanie A Segovia, José G B Derraik, Manohar L Garg, David Cameron-Smith, Paul L Hofman, Wayne S Cutfield
We examined whether maternal fish oil supplementation during pregnancy could prevent development of insulin resistance in adult male offspring of rat dams fed a high-fat diet. Time-mated Sprague-Dawley rat dams were randomised into four treatment groups: Con-Con, dams fed a control diet (fat: 15% kcal) and administered water by gavage; Con-FO, control diet with unoxidised fish oil by gavage; HF-Con, high-fat diet (fat: 45% kcal) and water by gavage; and HF-FO, high-fat diet and unoxidised fish oil by gavage...
July 17, 2017: Scientific Reports
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