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fiber and health

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https://www.readbyqxmd.com/read/27911928/%C3%AE-glucans-and-resistant-starch-alter-the-fermentation-of-recalcitrant-fibers-in-growing-pigs
#1
Sonja de Vries, Walter J J Gerrits, Mirjam A Kabel, Thava Vasanthan, Ruurd T Zijlstra
Interactions among dietary ingredients are often assumed non-existent when evaluating the nutritive value and health effects of dietary fiber. Specific fibers can distinctly affect digestive processes; therefore, digestibility and fermentability of the complete diet may depend on fiber types present. This study aimed to evaluate the effects of readily fermentable fibers (β-glucans and resistant starch) on the degradation of feed ingredients containing more persistent, recalcitrant, fibers. Six semi-synthetic diets with recalcitrant fibers from rapeseed meal (pectic polysaccharides, xyloglucans, and cellulose) or corn distillers dried grain with solubles (DDGS; (glucurono)arabinoxylans and cellulose) with or without inclusion of β-glucans (6%) or retrograded tapioca (40%) substituted for corn starch were formulated...
2016: PloS One
https://www.readbyqxmd.com/read/27911466/transparent-nanofibrous-mesh-self-assembled-from-molecular-legos-for-high-efficiency-air-filtration-with-new-functionalities
#2
Varun Kumar Singh, Sai Kishore Ravi, Wanxin Sun, Swee Ching Tan
Alarming levels of particulate matter pollution in air pose a serious health threat in several countries, therefore intriguing a strong need for an economic and a viable technology of air filtration. Current air purification technology is rather expensive with certain types even having the risk of emitting hazardous by-products. The authors have developed a multifunctional air filter inspired from the nasal hairs possessing an ability to specifically trap/exhale the foreign particles and allergens while still letting the air flow...
December 2, 2016: Small
https://www.readbyqxmd.com/read/27900531/accidental-cannabis-poisoning-in-the-elderly
#3
Anja Zupan Mežnar, Miran Brvar, Gregor Kralj, Dragan Kovačič
There are two main varieties of Cannabis sativa plant, namely, hemp which is cultivated for fiber and seeds and contains low amounts of psychoactive cannabinoids and the other which is cultivated for the drug cannabis or marijuana. Increasing popularity of hemp food products and alleged beneficial effects of cannabinoids in the drug variety of cannabis might lead to confusion in the lay population and unintentional ingestion of marijuana, as described in this case report. During a workshop on the use of hemp for medicinal purposes, there was a degustation of various hemp food products including also cookies that were brought by one of the attendees...
November 29, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27891634/sensitive-determination-of-sulfonamides-in-environmental-water-by-capillary-electrophoresis-coupled-with-both-silvering-detection-window-and-in-capillary-optical-fiber-light-emitting-diode-induced-fluorescence-detector
#4
Hongyun Ji, Yu Wu, Zhijuan Duan, Feng Yang, Hongyan Yuan, Dan Xiao
A new detector, silvering detection window and in-capillary optical fiber light-emitting diode-induced fluorescence detector (SDW-ICOF-LED-IFD), is introduced for capillary electrophoresis (CE). The strategy of the work was that half surface of the detection window was coated with silver mirror, which could reflect the undetected fluorescence to the photomultiplier tube to be detected, consequently enhancing the detection sensitivity. Sulfonamides (SAs) are important antibiotics that achieved great applications in many fields...
November 28, 2016: Electrophoresis
https://www.readbyqxmd.com/read/27889314/dietary-patterns-during-adulthood-among-lesbian-bisexual-and-heterosexual-women-in-the-nurses-health-study-ii
#5
Nicole A VanKim, S Bryn Austin, Hee-Jin Jun, Frank B Hu, Heather L Corliss
BACKGROUND: Lesbian and bisexual women are at greater risk of being obese than heterosexual women; however, there is little research on dietary intake among lesbian and bisexual women. OBJECTIVE: This study estimated differences in dietary quality and intake during adulthood comparing heterosexual women to lesbian and bisexual women. DESIGN: Biennial mailed questionnaires were used to collect data from a cohort between 1991 and 2011. Heterosexual-identified women were the reference group...
November 23, 2016: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/27886704/position-of-the-academy-of-nutrition-and-dietetics-vegetarian-diets
#6
Vesanto Melina, Winston Craig, Susan Levin
It is the position of the Academy of Nutrition and Dietetics that appropriately planned vegetarian, including vegan, diets are healthful, nutritionally adequate, and may provide health benefits for the prevention and treatment of certain diseases. These diets are appropriate for all stages of the life cycle, including pregnancy, lactation, infancy, childhood, adolescence, older adulthood, and for athletes. Plant-based diets are more environmentally sustainable than diets rich in animal products because they use fewer natural resources and are associated with much less environmental damage...
December 2016: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/27878235/accelerated-cell-cycle-progression-of-human-regulatory-t%C3%A2-cell-like-cell-line-caused-by-continuous-exposure-to-asbestos-fibers
#7
Suni Lee, Hidenori Matsuzaki, Megumi Maeda, Shoko Yamamoto, Naoko Kumagai-Takei, Tamayo Hatayama, Miho Ikeda, Kei Yoshitome, Yasumitsu Nishimura, Takemi Otsuki
Asbestos exposure causes malignant tumors such as lung cancer and malignant mesothelioma. Based on our hypothesis in which continuous exposure to asbestos of immune cells cause reduction of antitumor immunity, the decrease of natural killer cell killing activity with reduction of NKp46 activating receptor expression, inhibition of cytotoxic T cell clonal expansion, reduced CXCR3 chemokine receptor expression and production of interferon-γ production in CD4+ T cells were reported using cell line models, freshly isolated peripheral blood immune cells from health donors as well as asbestos exposed patients such as pleural plaque and mesothelioma...
November 22, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27869525/oxidative-priority-meal-frequency-and-the-energy-economy-of-food-and-activity-implications-for-longevity-obesity-and-cardiometabolic-disease
#8
Raymond J Cronise, David A Sinclair, Andrew A Bremer
In most modern societies, the relationship that many individuals have with food has fundamentally changed from previous generations. People have shifted away from viewing food as primarily sustenance, and rather now seek out foods based on pure palatability or specific nutrition. However, it is far from clear what optimal nutrition is for the general population or specific individuals. We previously described the Food Triangle as a way to organize food based on an increasing energy density paradigm, and now expand on this model to predict the impact of oxidative priority and both nutrient and fiber density in relation to caloric load...
November 21, 2016: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/27863994/understanding-the-physics-of-functional-fibers-in-the-gastrointestinal-tract-an-evidence-based-approach-to-resolving-enduring-misconceptions-about-insoluble-and-soluble-fiber
#9
Johnson W McRorie, Nicola M McKeown
Enduring misconceptions about the physical effects of fiber in the gut have led to misunderstandings about the health benefits attributable to insoluble and soluble fiber. This review will focus on isolated functional fibers (eg, fiber supplements) whose effects on clinical outcomes have been readily assessed in well-controlled clinical studies. This review will also focus on three health benefits (cholesterol lowering, improved glycemic control, and normalizing stool form [constipation and diarrhea]) for which reproducible evidence of clinical efficacy has been published...
November 15, 2016: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/27863247/a-dietary-fiber-deprived-gut-microbiota-degrades-the-colonic-mucus-barrier-and-enhances-pathogen-susceptibility
#10
Mahesh S Desai, Anna M Seekatz, Nicole M Koropatkin, Nobuhiko Kamada, Christina A Hickey, Mathis Wolter, Nicholas A Pudlo, Sho Kitamoto, Nicolas Terrapon, Arnaud Muller, Vincent B Young, Bernard Henrissat, Paul Wilmes, Thaddeus S Stappenbeck, Gabriel Núñez, Eric C Martens
Despite the accepted health benefits of consuming dietary fiber, little is known about the mechanisms by which fiber deprivation impacts the gut microbiota and alters disease risk. Using a gnotobiotic mouse model, in which animals were colonized with a synthetic human gut microbiota composed of fully sequenced commensal bacteria, we elucidated the functional interactions between dietary fiber, the gut microbiota, and the colonic mucus barrier, which serves as a primary defense against enteric pathogens. We show that during chronic or intermittent dietary fiber deficiency, the gut microbiota resorts to host-secreted mucus glycoproteins as a nutrient source, leading to erosion of the colonic mucus barrier...
November 17, 2016: Cell
https://www.readbyqxmd.com/read/27862560/noninvasive-assessment-of-age-gender-and-exercise-effects-on-skeletal-muscle-initial-experience-with-t1-%C3%AF-mri-of-calf-muscle
#11
Xin-Gui Peng, Yuancheng Wang, Shijun Zhang, Yingying Bai, Hui Mao, Gao-Jun Teng, Shenghong Ju
PURPOSE: To prospectively investigate age- and gender-related changes in the fast-twitch (tibialis anterior, TA) and slow-twitch (soleus, SOL) skeletal muscle of healthy rats and volunteers and to compare the exercise-related difference in health volunteers with T1 ρ magnetic resonance imaging (MRI). MATERIALS AND METHODS: In all, 18 rats and 70 humans were involved in this study. For the animal study, T1 ρ relaxation times were measured in the TA and SOL rat muscle with a 3...
November 9, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27861309/pilot-study-of-corneal-sensitivity-and-its-association-in-keratoconus
#12
Preeji S Mandathara, Fiona J Stapleton, Jim Kokkinakis, Mark D P Willcox
PURPOSE: To evaluate corneal sensitivity and its association with other clinical parameters in keratoconus. METHODS: Twenty-four subjects with keratoconus aged between 18 and 65 years were recruited in this cross-sectional study. Ocular symptoms, corneal topography, tear variables such as tear osmolarity, volume and lower tear meniscus height, ocular surface staining, central sensitivity threshold (CST), and corneal subepithelial nerve mapping were obtained. Association between central CST and other clinical variables was examined using the Spearman correlation coefficient...
November 16, 2016: Cornea
https://www.readbyqxmd.com/read/27853341/effect-of-the-wide-spread-use-of-endovenous-laser-ablation-on-the-treatment-of-varicose-veins-in-japan-a-large-scale-single-institute-study
#13
Masatoshi Jibiki, Tetsuro Miyata, Sachiko Futatsugi, Mitsumasa Iso, Yasutaka Sakanushi
Background and aims: In Japan, stripping under general anesthesia, lumbar anesthesia and tumescent local anesthesia has been used in the treatment of primary varicose veins due to saphenous vein insufficiency. However endovenous laser ablation (EVLA) using a 980 nm diode laser has received National Health Insurance (NHI) coverage in 2011, while EVLA using a 1470 nm diode laser with a radial 2-ring fiber has received coverage in 2014. As a result, the use of EVLA has become widespread in Japan. We herein report on the results of varicose veins treatment at our hospital...
October 1, 2016: Laser Therapy
https://www.readbyqxmd.com/read/27852684/resveratrol-as-add-on-therapy-in-subjects-with-well-controlled-type-2-diabetes-a-randomized-controlled-trial
#14
Silvie Timmers, Marlies de Ligt, Esther Phielix, Tineke van de Weijer, Jan Hansen, Esther Moonen-Kornips, Gert Schaart, Iris Kunz, Matthijs K C Hesselink, Vera B Schrauwen-Hinderling, Patrick Schrauwen
OBJECTIVE: To determine whether resveratrol supplementation can improve insulin sensitivity and promote overall metabolic health on top of standard diabetes care. RESEARCH DESIGN AND METHODS: Seventeen subjects with well-controlled type 2 diabetes (T2D) were treated with placebo and 150 mg/day resveratrol (resVida) in a randomized double-blind crossover study for 30 days. The main outcome measure was insulin sensitivity by the hyperinsulinemic-euglycemic clamp technique...
December 2016: Diabetes Care
https://www.readbyqxmd.com/read/27852133/timp1-promotes-multi-walled-carbon-nanotube-induced-lung-fibrosis-by-stimulating-fibroblast-activation-and-proliferation
#15
Jie Dong, Qiang Ma
Pulmonary exposure to multi-walled carbon nanotubes (MWCNTs) may cause fibrosing lesions in animal lungs, raising health concerns about such exposure in humans. The mechanisms underlying fibrosis development remain unclear, but they are believed to involve the dysfunction of fibroblasts and myofibroblasts. Using a mouse model of MWCNT exposure, we found that the tissue inhibitor of metalloproteinase 1 (Timp1) gene was rapidly and highly induced in the lungs by MWCNTs in a time- and dose-dependent manner. Concomitantly, a pronounced elevation of secreted TIMP1 was observed in the bronchoalveolar lavage fluid and serum...
November 17, 2016: Nanotoxicology
https://www.readbyqxmd.com/read/27843756/proximate-composition-and-fatty-acid-analysis-of-lablab-purpureus-l-legume-seed-implicates-to-both-protein-and-essential-fatty-acid-supplementation
#16
Shahdat Hossain, Rashed Ahmed, Sujan Bhowmick, Abdullah Al Mamun, Michio Hashimoto
The high mortality rate in Bangladesh is related to poverty, which results in protein malnutrition, essential fatty acid deficiency and lacks in adequate vitamins, minerals and calorie. Exploring new food items with improved dietary nutrition factors may, therefore, help to decrease the mortality rate in the poor countries like Bangladesh. Accordingly, the present study was a proximate composition and fatty acid analysis of L. purpureus seed-a legume seed which is given no careful attention locally, though it might be a good source of valuable nutrition factors for both animals and humans...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27833747/microbiota-host-interplay-at-the-gut-epithelial-level-health-and-nutrition
#17
REVIEW
Jean-Paul Lallès
Growing evidence suggests the implication of the gut microbiota in various facets of health and disease. In this review, the focus is put on microbiota-host molecular cross-talk at the gut epithelial level with special emphasis on two defense systems: intestinal alkaline phosphatase (IAP) and inducible heat shock proteins (iHSPs). Both IAP and iHSPs are induced by various microbial structural components (e.g. lipopolysaccharide, flagellin, CpG DNA motifs), metabolites (e.g. n-butyrate) or secreted signal molecules (e...
2016: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/27831929/improved-sensitivity-of-wearable-nanogenerators-made-of-electrospun-eu-3-doped-p-vdf-hfp-graphene-composite-nanofibers-for-self-powered-voice-recognition
#18
Prakriti Adhikary, Anirban Biswas, Dipankar Mandal
Composite nanofibers of Eu(3+) doped poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP))/graphene are prepared by the electrospinning technique for the fabrication of ultrasensitive wearable piezoelectric nanogenerators (WPNGs) where the post-poling technique is not necessary. It is found that the complete conversion of the piezoelectric β-phase and the improvement of the degree of crystallinity is governed by the incorporation of Eu(3+) and graphene sheets into P(VDF-HFP) nanofibers. The flexible nanocomposite fibers are associated with a hypersensitive electronic transition that results in an intense red light emission, and WPNGs also have the capability of detecting external pressure as low as ~23 Pa with a higher degree of acoustic sensitivity, ~11 V Pa(-1), than has ever been previously reported...
December 9, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27829457/combined-effect-of-new-complete-dentures-and-simple-dietary-advice-on-nutritional-status-in-edentulous-patients-study-protocol-for-a-randomized-controlled-trial
#19
Yuriko Komagamine, Manabu Kanazawa, Maiko Iwaki, Ayami Jo, Hiroyuki Suzuki, Noriko Amagai, Shunsuke Minakuchi
BACKGROUND: Individuals who are edentulous have a lower intake of fruit, vegetables, fiber, and protein compared with their dentate counterparts because tooth loss is accompanied by a decrease in ability to chew. Whether or not a combination of prosthetic rehabilitation and simple dietary advice produces improvement in dietary intake among edentulous persons is unclear. We aim to investigate the effect of a simultaneous combination of simple dietary advice delivered by dentists and provision of new complete dentures on dietary intake in edentulous individuals who request new dentures...
November 9, 2016: Trials
https://www.readbyqxmd.com/read/27827978/a-prospective-study-of-different-types-of-dietary-fiber-and-risk-of-cardiovascular-disease-tehran-lipid-and-glucose-study
#20
Parvin Mirmiran, Zahra Bahadoran, Sajad Khalili Moghadam, Azita Zadeh Vakili, Fereidoun Azizi
BACKGROUND AND AIM: This study was designed to examine the hypothesis that dietary of intake different types of fiber could modify the risk of cardiovascular disease (CVD) in a large prospective cohort among Iranian adults. METHODS: In 2006-2008, we used a validated food frequency questionnaire to assess dietary fiber intake among 2295 health professionals with no previous history of heart disease. Subjects were subsequently followed until 2012 for incidence of CVD events...
November 7, 2016: Nutrients
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