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dietary salt

Theodore W Kurtz, Stephen E DiCarlo, Michal Pravenec, R Curtis Morris
High salt intake is one of the major dietary determinants of hypertension and cardiovascular disease in Japan and throughout the world. Although dietary salt restriction may be of clinical benefit in salt-sensitive individuals, many individuals may not wish, or be able to, reduce their intake of salt. Thus, identification of functional foods that can help protect against mechanistic abnormalities mediating salt-induced hypertension is an issue of considerable medical and scientific interest. According to the "vasodysfunction" theory of salt-induced hypertension, the hemodynamic abnormality initiating salt-induced increases in blood pressure usually involves subnormal vasodilation and abnormally increased vascular resistance in response to increased salt intake...
March 12, 2018: Journal of Cardiology
Justine M Abais-Battad, Hayley Lund, Daniel J Fehrenbach, John Henry Dasinger, David L Mattson
The current study, performed in Dahl Salt-Sensitive (SS) and SS-Rag1-/- rats lacking T- and B- lymphocytes, tested the hypothesis that immune cells amplify salt-sensitive hypertension and kidney damage in response to a high protein diet. After weaning, SS and SS-Rag1-/- rats were placed on an isocaloric, 0.4% NaCl diet containing normal (18%) or high (30%) protein. At 9 weeks of age, rats were switched to a 4.0% NaCl diet containing the same amount of dietary protein and maintained on the high salt diet for 3 weeks...
March 14, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
P Górka, Z M Kowalski, R Zabielski, P Guilloteau
Promotion of microbial butyrate production in the reticulorumen is a widely used method for enhancing forestomach development in calves. Additional acceleration of gastrointestinal tract (GIT) development, both the forestomach and lower parts of the GIT (e.g., abomasum, intestine, and also pancreas), can be obtained by dietary butyrate supplementation. For this purpose, different sources (e.g., butyrate salts or butyrins), forms (e.g., protected or unprotected), methods (e.g., in liquid feed or solid feed), and periods (e...
March 7, 2018: Journal of Dairy Science
V L N Brandao, X Dai, E M Paula, L G Silva, M I Marcondes, T Shenkoru, S R Poulson, A P Faciola
Camelina is a drought- and salt-tolerant oil seed, which in total ether extract (EE) contains up to 74% polyunsaturated fatty acids. The objective of this study was to assess the effects of replacing calcium salts of palm oil (Megalac, Church & Dwight Co. Inc., Princeton, NJ) with camelina seed (CS) on ruminal fermentation, digestion, and flows of fatty acids (FA) and AA in a dual-flow continuous culture system when supplemented at 5 or 8% dietary EE. Diets were randomly assigned to 8 fermentors in a 2 × 2 factorial arrangement of treatments in a replicated 4 × 4 Latin square design, with four 10-d experimental periods consisting of 7 d for diet adaptation and 3 d for sample collection...
March 7, 2018: Journal of Dairy Science
W Philip T James
BACKGROUND: This analysis sets out an overview of an IUNS presentation of a European clinician's assessment of the challenges of coping with immediate critical clinical problems and how to use metabolic and a mechanistic understanding of disease when developing nutritional policies. SUMMARY: Critically ill malnourished children prove very sensitive to both mineral and general nutritional overload, but after careful metabolic control they can cope with a high-quality, energy-rich diet provided their initial lactase deficiency and intestinal atrophy are taken into account...
March 8, 2018: Annals of Nutrition & Metabolism
Aang Sutrisna, Jacky Knowles, Abas Basuni, Ravi Menon, Anung Sugihantono
The objective of this study was to assess the contribution of iodine intake from iodised household salt, iodised salt in instant noodles, and iodine in ground water in five regions of Indonesia. Secondary data analysis was performed using the 2013 Primary Health Research Survey, the 2014 Total Diet Study, and data from food industry research. Iodine intake was estimated among 2719 children, 10-12 years of age (SAC), 13,233 women of reproductive age (WRA), and 578 pregnant women (PW). Combined estimated iodine intake from the three stated sources met 78%, 70%, and 41% of iodine requirements for SAC, WRA and PW, respectively...
March 8, 2018: Nutrients
Daniel Lemogoum, William Ngatchou, Claude Bika Lele, Cecile Okalla, Marc Leeman, Jean-Paul Degaute, Philippe van de Borne
BACKGROUND: High salt intake increases blood pressure (BP) and hypertension risk. This study aimed to examine association of urinary sodium excretion with BP and hypertension correlates among Cameroonian pygmies under hunter-gatherer subsistence mode and Bantus, living in urban area under unhealthy behavioral habits. METHODS: In this cross-sectional cluster sampling study, we randomly enrolled rural pygmies living in Lolodorf and urban Bantus living in Douala. The World Health Organization steps questionnaire was used to collect socio-demographic and lifestyle data...
March 7, 2018: BMC Cardiovascular Disorders
Daniëlle Vaartjes, Kutty Selva Nandakumar, Rikard Holmdahl, Bruno Raposo
High salt consumption has since long been associated with elevated blood pressure and cardiovascular disease. Recently, mouse studies suggested that a high dietary salt intake exacerbates the clinical manifestations of autoimmunity. Using naïve cells ex vivo after pre-exposure of mice to high salt intake, we show that increased salt exposure affects the viability and effector functions of immune cells. CD4+ T cells evidenced a pro-inflammatory phenotype characterized by increased secretion of IFNγ and IL-17A, when exposed to high salt concentrations in vitro...
March 7, 2018: Immunology
Verena Hasenegger, Petra Rust, Jürgen König, Anna Elisabeth Purtscher, Judith Erler, Cem Ekmekcioglu
Excessive salt intake is known to increase blood pressure and cardiovascular risk. Nevertheless, salt intake exceeds the recommendations in most countries. To face this problem, it is important to identify high consumers as well as the main contributors of salt intake. Overall, data of 2018 adults between 18 and 64 years were analysed to determine the main sources, socio-demographic and anthropometric correlates of salt intake. Dietary intake was assessed from 24-h-recalls, information on socio-demographic characteristics was obtained using a questionnaire and anthropometric data were measured...
March 6, 2018: Nutrients
Miguel A Lanaspa, Masanari Kuwabara, Ana Andres-Hernando, Nancy Li, Christina Cicerchi, Thomas Jensen, David J Orlicky, Carlos A Roncal-Jimenez, Takuji Ishimoto, Takahiko Nakagawa, Bernardo Rodriguez-Iturbe, Paul S MacLean, Richard J Johnson
Dietary guidelines for obesity typically focus on three food groups (carbohydrates, fat, and protein) and caloric restriction. Intake of noncaloric nutrients, such as salt, are rarely discussed. However, recently high salt intake has been reported to predict the development of obesity and insulin resistance. The mechanism for this effect is unknown. Here we show that high intake of salt activates the aldose reductase-fructokinase pathway in the liver and hypothalamus, leading to endogenous fructose production with the development of leptin resistance and hyperphagia that cause obesity, insulin resistance, and fatty liver...
March 5, 2018: Proceedings of the National Academy of Sciences of the United States of America
Jeremiah Stamler, Queenie Chan, Martha L Daviglus, Alan R Dyer, Linda Van Horn, Daniel B Garside, Katsuyuki Miura, Yangfeng Wu, Hirotsugu Ueshima, Liancheng Zhao, Paul Elliott
Available data indicate that dietary sodium (as salt) relates directly to blood pressure (BP). Most of these findings are from studies lacking dietary data; hence, it is unclear whether this sodium-BP relationship is modulated by other dietary factors. With control for multiple nondietary factors, but not body mass index, there were direct relations to BP of 24-hour urinary sodium excretion and the urinary sodium/potassium ratio among 4680 men and women 40 to 59 years of age (17 population samples in China, Japan, United Kingdom, and United States) in the INTERMAP (International Study on Macro/Micronutrients and Blood Pressure), and among its 2195 American participants, for example, 2 SD higher 24-hour urinary sodium excretion (118...
March 5, 2018: Hypertension
Daniela P Stocher, Caroline P Klein, André B Saccomori, Pauline M August, Nicolli C Martins, Pablo R G Couto, Martine E K Hagen, Cristiane Matté
Excessive salt intake is a common feature of Western dietary patterns, and has been associated with important metabolic changes including cerebral redox state imbalance. Considering that little is known about the effect on progeny of excessive salt intake during pregnancy, the present study investigated the effect of a high-salt diet during pregnancy and lactation on mitochondrial parameters and the redox state of the brains of resulting offspring. Adult female Wistar rats were divided into two dietary groups (n 20 rats/group): control standard chow (0·675 % NaCl) or high-salt chow (7·2 % NaCl), received throughout pregnancy and for 7 d after delivery...
March 5, 2018: British Journal of Nutrition
Sarah Fitzgerald, Aileen Murphy, Ann Kirby, Fiona Geaney, Ivan J Perry
OBJECTIVE: To evaluate the costs, benefits and cost-effectiveness of complex workplace dietary interventions, involving nutrition education and system-level dietary modification, from the perspective of healthcare providers and employers. DESIGN: Single-study economic evaluation of a cluster-controlled trial (Food Choice at Work (FCW) study) with 1-year follow-up. SETTING: Four multinational manufacturing workplaces in Cork, Ireland. PARTICIPANTS: 517 randomly selected employees (18-65 years) from four workplaces...
March 3, 2018: BMJ Open
Adamasco Cupisti, Csaba P Kovesdy, Claudia D'Alessandro, Kamyar Kalantar-Zadeh
Whereas the adequate intake of potassium is relatively high in healthy adults, i.e., 4.7 g per day, a dietary potassium restriction of usually less than 3 g per day is recommended in the management of patients with reduced kidney function, especially those who tend to develop hyperkalaemia including patients who are treated with angiotensin pathway modulators. Most potassium-rich foods are considered heart-healthy nutrients with high fibre, high anti-oxidant vitamins and high alkali content such as fresh fruits and vegetables; hence, the main challenge of dietary potassium management is to maintain high fibre intake and a low net fixed-acid load, because constipation and metabolic acidosis are per se major risk factors for hyperkalaemia...
February 25, 2018: Nutrients
Joana Corte-Real, Torsten Bohn
Several divalent minerals, including the macroelements calcium and magnesium, are essential nutrients for humans. However, their intake, especially via high-dose supplements, has been suspected to reduce the availability of lipophilic dietary constituents, including lipids, liposoluble vitamins, and several phytochemicals such as carotenoids. These constituents require emulsification in order to be bioavailable, and high divalent mineral concentrations may perturb this process, due to precipitations of free fatty acids or bile salt complexation, both pivotal for mixed micelle formation...
June 30, 2018: Food Chemistry
H Mirzaei-Alamouti, Z Mohammadi, M H Shahir, M Vazirigohar, M Mansouryar
The effects of dietary omega-3 and omega-6 fatty acids (FAs) in pre-mating diets on reproductive performances and metabolic status of ewes have not been well investigated. Therefore, this study investigated the effect of supplementing different source of FAs on different aspects of reproductive performance of fat-tailed Iranian Afshari ewes. Thirty-two cycling, multiparous Afshari ewes were divided into four groups and fed one of the isocaloric and isonitrogenous diets supplemented with Sunflower oil (SFO), Fish oil (FO), calcium salt of palm oil (CaPO) and/or an equal mixture of SFO + FO (SFOFO)...
February 15, 2018: Theriogenology
Ralf Willebrand, Markus Kleinewietfeld
The immune system evolved to protect organisms from invading pathogens. A network of pro- and anti-inflammatory cell types equipped with special effector molecules guarantees efficient elimination of intruders like viruses and bacteria. However, imbalances can lead to an exceeding response of effector cells incurring autoimmune or allergic diseases. An interplay of genetic and environmental factors contributes to autoimmune diseases and recent studies provided evidence for an impact of dietary habits on the immune status and related disorders...
February 21, 2018: Immunology
Brett J Tipple, Luciano O Valenzuela, James R Ehleringer
The oxygen (18 O/16 O) isotope analysis of hair is commonly applied to reconstruct an individual's residence history. However, region-of-origin as determined from oxygen isotope values (δ18 O) alone is often spatially indistinct. Adding additional geochemical recorders can refine region-of-origin estimates. In this capacity, strontium (87 Sr/86 Sr) isotope analysis has attracted increased interest. While87 Sr/86 Sr reflects the influences of local geology,87 Sr/86 Sr of hair includes both external environmental signals as well as the internal dietary indicators...
February 20, 2018: Scientific Reports
Shu Wen Ng, Bridget A Hollingsworth, Emily A Busey, Julie L Wandell, Donna R Miles, Jennifer M Poti
INTRODUCTION: The Special Supplemental Nutrition Program for Women, Infants and Children (WIC) required major revisions to food packages in 2009; effects on nationwide low-income household purchases remain unexamined. METHODS: This study examines associations between WIC revisions and nutritional profiles of packaged food purchases from 2008 to 2014 among 4,537 low-income households with preschoolers in the U.S. (WIC participating versus nonparticipating) utilizing Nielsen Homescan Consumer Panel data...
March 2018: American Journal of Preventive Medicine
Madeline R Sterling, Monika M Safford, Kathryn Goggins, Sam K Nwosu, Jonathan S Schildcrout, Kenneth A Wallston, Amanda S Mixon, Russell L Rothman, Sunil Kripalani
BACKGROUND: Numeracy, health literacy, and cognition are important for chronic disease management. Prior studies have found them to be associated with poorer selfcare and worse clinical outcomes, but limited data exists in the context of heart failure (HF), a condition that requires patients to monitor their weight, fluid intake, and dietary salt, especially in the posthospitalization period. OBJECTIVE: To examine the relationship between numeracy, health literacy, and cognition with 30-day readmissions among patients hospitalized for acute decompensated HF (ADHF)...
February 12, 2018: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
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