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Nutrition Research

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https://www.readbyqxmd.com/read/28314639/acute-dark-chocolate-ingestion-is-beneficial-for-hemodynamics-via-enhancement-of-erythrocyte-deformability-in-healthy-humans
#1
Jana Radosinska, Martina Horvathova, Karel Frimmel, Jana Muchova, Maria Vidosovicova, Rastislav Vazan, Iveta Bernatova
Erythrocyte deformability is an important property of erythrocytes that considerably affects blood flow and hemodynamics. The high content of polyphenols present in dark chocolate has been reported to play a protective role in functionality of erythrocytes. We hypothesized that chocolate might influence erythrocytes not only after repeated chronic intake, but also immediately after its ingestion. Thus, we determined the acute effect of dark chocolate and milk (with lower content of biologically active substances) chocolate intake on erythrocyte deformability...
March 7, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28291551/marine-n-3-polyunsaturated-fatty-acids-affect-the-blood-pressure-control-in-patients-with-newly-diagnosed-hypertension-a-1-year-follow-up-study
#2
Carina N Bagge, Charlotte Strandhave, Charlotte M Skov, My Svensson, Erik B Schmidt, Jeppe H Christensen
Marine long-chained n-3 polyunsaturated fatty acids (PUFA) are recognized for their cardio-protective effects, including potential lowering of blood pressure. We hypothesized that higher habitual fish intake and n-3 PUFA plasma levels were associated with lower blood pressure and being less likely to receive antihypertensive medication after one-year follow-up. In this prospective study of 115 patients, we assessed 24 h ambulatory and central blood pressure, plasma phospholipid fatty acid composition using gas chromatography and participants completed a food frequency questionnaire, including fish-eating habits...
February 28, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215318/dietary-corn-fractions-reduce-atherogenesis-in-low-density-lipoprotein-receptor-knockout-mice
#3
Kabo Masisi, Khuong Le, Nora Ghazzawi, Mohammed H Moghadasian, Trust Beta
Accumulating evidence has suggested that intake of whole grains is a protective factor against pathogenesis of coronary artery disease. The exact mechanisms, however, are still not clearly understood. In this study, we hypothesized that adequate intake of corn fractions (aleurone, endosperm and germ) can modify lipid profiles in relation to atherosclerotic lesion development in low-density lipoprotein receptor knockout (LDLr-KO) mice. The purpose of the present study was to investigate the potential cardiovascular benefits of corn fractions in LDLr-KO mice through a number of biomarkers including lipid profile, and morphologic and morphometrical analysis of atherosclerotic lesions in aortic root...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215317/docosahexaenoic-acid-supplementation-during-pregnancy-as-phospholipids-did-not-improve-the-incorporation-of-this-fatty-acid-into-rat-fetal-brain-compared-with-the-triglyceride-form
#4
Antonio Gázquez, Inmaculada Hernández-Albaladejo, Elvira Larqué
Prenatal docosahexaenoic acid (DHA) supply is important to ensure an adequate infant neurodevelopment. Several fat supplements with DHA under different chemical structures are available. There is an increased placental phospholipase activity at the end of pregnancy. The hypothesis of this study was to discern whether DHA consumption during pregnancy as phospholipids (PLs) could be more available for placental DHA uptake and fetal accretion than triglycerides (TGs) form. We aimed to evaluate maternofetal DHA status in pregnant rats fed with DHA as PL from egg yolk or TG from algae oil to determine which source might be most effective during pregnancy...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215316/aronia-berry-polyphenol-consumption-reduces-plasma-total-and-low-density-lipoprotein-cholesterol-in-former-smokers-without-lowering-biomarkers-of-inflammation-and-oxidative-stress-a-randomized-controlled-trial
#5
Liyang Xie, Terrence Vance, Bohkyung Kim, Sang Gil Lee, Christian Caceres, Ying Wang, Patrice A Hubert, Ji-Young Lee, Ock K Chun, Bradley W Bolling
Former smokers are at increased risk for cardiovascular disease. We hypothesized that dietary aronia polyphenols would reduce biomarkers of cardiovascular disease risk, inflammation, and oxidative stress in former smokers. We also determined the extent these effects were associated with polyphenol bioavailability. A 12-week, randomized, placebo-controlled trial was conducted in 49 healthy adult former smokers (n = 24/placebo, n = 25/aronia) to evaluate if daily consumption of 500 mg aronia extract modulated plasma lipids, blood pressure, biomarkers of inflammation and oxidative stress, and lipid transport genes of peripheral blood mononuclear cells...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215315/dietary-phosphorus-intake-is-negatively-associated-with-bone-formation-among-women-and-positively-associated-with-some-bone-traits-among-men-a-cross-sectional-study-in-middle-aged-caucasians
#6
Suvi T Itkonen, Hannu J Rita, Elisa M Saarnio, Virpi E Kemi, Heini J Karp, Merja U M Kärkkäinen, Minna H Pekkinen, E Kalevi Laitinen, Juha Risteli, Marja-Kaisa Koivula, Harri Sievänen, Christel J E Lamberg-Allardt
High dietary phosphorus (P) intake has acute negative effects on calcium (Ca) and bone metabolism, but long-term clinical data are contradictory. We hypothesized that high P intake is associated with impaired bone health as suggested by earlier short-term studies on bone metabolism. In this cross-sectional study, we investigated associations between dietary P intake, bone traits in the radius and tibia, and bone turnover in a population-based sample of 37- to 47-year-old Caucasian premenopausal women (n=333) and men (n=179) living in Southern Finland (60°N)...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215314/the-reduced-oxidized-state-of-plasma-albumin-is-modulated-by-dietary-protein-intake-partly-via-albumin-synthesis-rate-in-rats
#7
Yasuaki Wada, Yoshiyasu Sato, Keisuke Miyazaki, Yasuhiro Takeda, Masashi Kuwahata
The reduced/oxidized state of plasma albumin is influenced by many factors, including chronic diseases and strenuous training. Recently, the reduced/oxidized state has also been shown to be associated with dietary protein and energy intakes in rats. We hypothesized that dietary protein intake may modulate the reduced/oxidized state of plasma albumin by altering the rate of albumin synthesis and that the reduced/oxidized state could therefore serve as a novel marker of protein undernutrition. We tested this hypothesis by examining male growing rats placed on a low-protein or energy-restriction diet...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215313/low-molecular-fraction-of-wheat-protein-hydrolysate-stimulates-glucagon-like-peptide-1-secretion-in-an-enteroendocrine-l-cell-line-and-improves-glucose-tolerance-in-rats
#8
Masaki Kato, Takenori Nakanishi, Tsubasa Tani, Takanori Tsuda
The incretin hormone glucagon-like peptide-1 (GLP-1) is secreted by enteroendocrine L cells. Stimulating endogenous GLP-1 secretion by dietary factors is a promising strategy to increase GLP-1 action. Several studies have examined the specific physiological function of wheat protein hydrolysate. Some reports suggested that intake of wheat protein ameliorates hyperglycemia. We hypothesized that wheat protein hydrolysate reduces blood glucose concentration via stimulation of GLP-1 secretion. In this study, we investigated whether wheat protein hydrolysate stimulates GLP-1 secretion and its molecular mechanism in an enteroendocrine L cell line (GLUTag cells), and we examined the effect on glucose tolerance via stimulation of GLP-1 secretion followed by induction of insulin secretion in rats...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215312/prevalence-of-clinical-thiamine-deficiency-in-individuals-with-medically-complicated-obesity
#9
Anand Nath, Tung Tran, Timothy R Shope, Timothy R Koch
Thiamine is a vitamin whose deficient can result in multiorgan symptoms. We described an 18% prevalence of clinical thiamine deficiency after gastric bypass surgery. Our hypotheses are that individuals with medically complicated obesity frequently have clinical thiamine deficiency and that diabetes mellitus is a mechanism for development of clinical thiamine deficiency. This is a single institution, retrospective observational study of consecutive patients with a body mass index of at least 35 kg/m(2) who were evaluated in preoperative gastrointestinal bariatric clinic from 2013 to 2015...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215311/rate-of-eating-in-early-life-is-positively-associated-with-current-and-later-body-mass-index-among-young-japanese-children-the-osaka-maternal-and-child-health-study
#10
Hitomi Okubo, Yoshihiro Miyake, Satoshi Sasaki, Keiko Tanaka, Yoshio Hirota
The possible effect of eating rate on promoting obesity has attracted considerable attention among various age groups, but little is known about these associations in an early stage of life. We investigated the hypothesis that eating rate in early childhood influences current and later body mass index (BMI) among young Japanese children. The study participants were 492 Japanese mother-child pairs from a prospective birth cohort study. Information on rate of eating (slow, medium, or fast), macronutrient intake (protein, fat, and carbohydrate), and dietary fiber intake were collected from the mothers using a diet history questionnaire when the children were aged 29 to 39 months...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28215310/review-of-the-mechanisms-of-probiotic-actions-in-the-prevention-of-colorectal-cancer
#11
REVIEW
Sandra A Dos Reis, Lisiane L da Conceição, Nathane P Siqueira, Damiana D Rosa, Letícia L da Silva, Maria do Carmo G Peluzio
The purpose of this review is to discuss the potential mechanisms of probiotics action in colorectal cancer prevention. In this regard, the composition of the intestinal microbiota is considered as an important risk factor in the development of colorectal cancer, and probiotics are able to positively modulate the composition of this microbiota. Studies have shown that the regular consumption of probiotics could prevent the development of colorectal cancer. In this respect, in vitro and experimental studies suggest some potential mechanisms responsible for this anticarcinogenic action...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/27993193/intake-of-bilberries-vaccinium-myrtillus-l-reduced-risk-factors-for-cardiovascular-disease-by-inducing-favorable-changes-in-lipoprotein-profiles
#12
Marta Habanova, Jorge A Saraiva, Miroslav Haban, Marianna Schwarzova, Peter Chlebo, Lenka Predna, Jan Gažo, Joanna Wyka
Cardiovascular diseases (CVDs) are the leading causes of death, and lifestyle modification, including dietary changes, is recommended to improve this condition. In this study, regular consumption of bilberries was hypothesized to have beneficial effects on CVD risk reduction, by changes in human health indicators such as decreasing low-density lipoprotein cholesterol (LDL-C) and triglycerides (TGs) and increasing high-density lipoprotein cholesterol (HDL-C). The research involved women (n=25) and men (n=11) who consumed 150 g of frozen stored bilberries 3 times a week for 6 weeks...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27993192/polyphenol-enriched-vaccinium-uliginosum-l-fractions-reduce-retinal-damage-induced-by-blue-light-in-a2e-laden-arpe19-cell-cultures-and-mice
#13
Bom-Lee Lee, Jung-Hwan Kang, Hye-Mi Kim, Se-Hee Jeong, Dae-Sik Jang, Young-Pyo Jang, Se-Young Choung
Polyphenols exert beneficial effects on vision. We hypothesized that polyphenol components of Vaccinium uliginosum L. (V.U.) extract protect retinal pigment epithelial (RPE) cells against blue light-induced damage. Our aim was to test extracts containing polyphenol components to ascertain effects to reduce damage against blue light in RPEs. We measured the activity in fractions eluted from water, ethanol, and HP20 resin (FH), and found that the FH fraction had the highest beneficial activity. We isolated the individual active compounds from the FH fraction using chromatographic techniques, and found that FH contained flavonoids, anthocyanins, phenyl propanoids, and iridoids...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27932080/vitamin-c-impacts-anxiety-like-behavior-and-stress-induced-anorexia-relative-to-social-environment-in-smp30-gnl-knockout-mice
#14
Miwako Koizumi, Yoshitaka Kondo, Ayumi Isaka, Akihito Ishigami, Emiko Suzuki
The role of endogenous vitamin C (VC) in emotion and psychiatric measures has long been uncertain. We aimed to investigate how an individual's VC status impacts his or her mental health. Our hypothesis is that body VC levels modulate anxiety, anorexia, and depressive phenotypes under the influence of psychosocial rearing environments and sex. The VC status of senescence marker protein-30/gluconolactonase knockout mice, which lack the ability to synthesize VC, were continuously shifted from adequate (VC+) to depleted (VC-) by providing a water with or without VC...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27923524/the-therapeutic-potential-of-metabolic-hormones-in-the-treatment-of-age-related-cognitive-decline-and-alzheimer-s-disease
#15
REVIEW
John Grizzanti, Hyoung-Gon Lee, Antoni Camins, Merce Pallas, Gemma Casadesus
Aging leads to a number of physiological alterations, specifically changes in circulating hormone levels, increases in fat deposition, decreases in metabolism, changes in inflammatory responses, and reductions in growth factors. These progressive changes in physiology and metabolism are exacerbated by modern culture and Western diet and give rise to diseases such as obesity, metabolic syndrome, and type 2 (non-insulin-dependent) diabetes (T2D). These age and lifestyle-related metabolic diseases are often accompanied by insulin and leptin resistance, as well as aberrant amylin production and signaling...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27919453/dietary-tartary-buckwheat-intake-attenuates-insulin-resistance-and-improves-lipid-profiles-in-patients-with-type-2-diabetes-a-randomized-controlled-trial
#16
Ju Qiu, Yanping Liu, Yanfen Yue, Yuchang Qin, Zaigui Li
Tartary buckwheat (TB) is rich in protein, dietary fiber, and flavonoids and has been reported to affect type 2 diabetes mellitus (T2DM) in animal experiments, but limited information on the benefit of TB as a whole food in T2DM patients is available. Thus, we tested the hypothesis that a daily replacement of a portion of the staple food with TB will improve risk factors of T2DM, including fasting glucose, insulin resistance, and lipid profile. In a parallel, randomized, open-label, controlled trial, 165 T2DM patients were randomly assigned to a control diet group (DC group; systematic diet plans and intensive nutritional education) or a TB intervention group (TB group; daily replacement of a portion of staple food with TB food)...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27890482/dietary-nitrate-does-not-affect-physical-activity-or-outcomes-in-healthy-older-adults-in-a-randomized-cross-over-trial
#17
Mario Siervo, Clio Oggioni, Djordje G Jakovljevic, Michael Trenell, John C Mathers, David Houghton, Carlos Celis-Morales, Ammar W Ashor, Alan Ruddock, Mayur Ranchordas, Markos Klonizakis, Elizabeth A Williams
Although dietary nitrate (NO3(-)) ingestion appears to enhance exercise capacity and performance in young individuals, inconclusive findings have been reported in older people. Therefore, we conducted a double-blind, crossover randomized clinical trial using beetroot juice in older healthy participants, who were classified as normal weight and overweight. We tested whether consumption of beetroot juice (a rich source of NO3(-)) for 1 week would increase nitric oxide bioavailability via the nonenzymatic pathway and enhance (1) exercise capacity during an incremental exercise test, (2) physical capability, and (3) free-living physical activity...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27890481/growth-disparity-of-motherless-children-might-be-attributed-to-a-deficient-intake-of-high-quality-nutrients
#18
Hui Wang, Xu Tian, Shaowei Wu, Zhibin Hu
We hypothesized that single-parent children (SPC) are retarded in growth compared with both-parent children (BPC), and that motherless children (MC) are affected differently from fatherless children. Moreover, the growth disparity between SPC and BPC might be attributed to a deficient nutrient intake. Data from 2967 children between the ages of 2 and 18 years were extracted from 4 recent waves (2004, 2006, 2009, and 2011) of the China Health and Nutrition Survey to compare the growth status of SPC and BPC and to investigate the association between growth indicators and nutrition status...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27889107/combination-of-the-anthocyanidins-malvidin-and-peonidin-attenuates-lipopolysaccharide-mediated-inflammatory-gene-expression-in-primary-human-adipocytes
#19
Jessica D Mackert, Michael K McIntosh
We recently demonstrated that California table grapes and a methanol-extractable, polyphenol-rich fraction decreased adiposity, insulin resistance, or markers of inflammation in high-fat fed mice. Malvidin and peonidin glycosides were the 2 most abundant anthocyanins in the polyphenol-rich fraction. We hypothesized that a blood borne combination of anthocyanidins malvidin and peonidin derived from intestinal β-glycosidase metabolism of these 2 anthocyanins are responsible, in part, for the beneficial health effects observed in vivo...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27884414/low-muscle-mass-is-associated-with-metabolic-syndrome-in-korean-adolescents-the-korea-national-health-and-nutrition-examination-survey-2009-2011
#20
Jeong-Hyeon Kim, Yong Soon Park
Little is known about the relationship between low muscle mass (LMM) and metabolic risk factors in adolescents. We hypothesized that LMM in adolescents is associated with metabolic syndrome (MetS) and its components in Korean adolescents. This cross-sectional study included 1420 participants (749 males and 671 females), aged 12 to 19 years, who participated in the 2009-2011 Korea National Health and Nutrition Examination Surveys. Appendicular skeletal muscle mass was divided by body weight, and any value below the lower quintile of the study population, according to each age and sex category, was considered to represent LMM...
December 2016: Nutrition Research
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