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Mineral nutrition

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https://www.readbyqxmd.com/read/29166640/lactic-acid-bacteria-from-andean-grain-amaranth-a-source-of-vitamins-and-functional-value-enzymes
#1
Silvana L Carrizo, Cecilia E Montes de Oca, María Elvira Hébert, Lucila Saavedra, Graciela Vignolo, Jean Guy LeBlanc, Graciela Celestina Rollán
Amaranth is a rediscovered pseudocereal with high nutritional properties. Lactic acid fermentation can increase the functional and nutritional value of foods. The aims of this study were to isolate and evaluate the functionality of lactic acid bacteria (LAB) from amaranth. LAB strains (n = 29) isolated from amaranth sourdough and grains included Lactobacillus (L.) plantarum (n = 8), L. rhamnosus (n = 6), Enterococcus (E.) mundtii (n = 4), E. hermanniensis (n = 3), E. durans (n = 1), Enterococcus sp. (n = 1), Leuconostoc (Lc...
November 23, 2017: Journal of Molecular Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29166126/nutrient-sensing-biology-in-mammals-and-birds
#2
Eugeni Roura, Simon R Foster
Nutrient sensing mechanisms have emerged as the fringe articulating nutritional needs with dietary choices. Carbohydrate, amino acid, fatty acid, mineral, and water sensing receptors are highly conserved across mammals and birds, consisting of a repertoire of 22 genes known to date. In contrast, bitter receptors are highly divergent and have a high incidence of polymorphisms within and between mammals and birds and are involved in the adaptation of species to specific environments. In addition, the expression of nutrient sensing genes outside the oral cavity seems to mediate the required decision-making dialogue between the gut and the brain by translating exogenous chemical stimuli into neuronal inputs, and vice versa, to translate the endogenous signals relevant to the nutritional status into specific appetites and the control of feed intake...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29165457/the-chemical-composition-nutritional-value-and-antimicrobial-properties-of-abelmoschus-esculentus-seeds
#3
Spyridon Petropoulos, Ângela Fernandes, Lillian Barros, Ana Ciric, Marina Sokovic, Isabel C F R Ferreira
Okra is a vegetable crop usually used for its immature pods. The harvest stage (fruit size) depends on consumers' preferences and the fruit that does not meet market requirements is being disposed of. Considering the short time interval from the setting of the fruit to the harvest stage, the present study evaluates the nutritional value, chemical composition, and antioxidant and antimicrobial properties of okra seeds from genotypes cultivated under Mediterranean conditions, as an alternative end-use product...
November 22, 2017: Food & Function
https://www.readbyqxmd.com/read/29163638/network-analysis-reveals-putative-genes-affecting-meat-quality-in-angus-cattle
#4
Raluca G Mateescu, Dorian J Garrick, James M Reecy
Improvements in eating satisfaction will benefit consumers and should increase beef demand which is of interest to the beef industry. Tenderness, juiciness, and flavor are major determinants of the palatability of beef and are often used to reflect eating satisfaction. Carcass qualities are used as indicator traits for meat quality, with higher quality grade carcasses expected to relate to more tender and palatable meat. However, meat quality is a complex concept determined by many component traits making interpretation of genome-wide association studies (GWAS) on any one component challenging to interpret...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/29158725/nutritional-supplement-practices-of-professional-ugandan-athletes-a-cross-sectional-study
#5
Haruna Muwonge, Robert Zavuga, Peninnah Aligawesa Kabenge, Timothy Makubuya
Background: The use of nutritional supplements (NS) places athletes at great risk for inadvertent doping. Due to the paucity of data on supplement use, this study aimed to determine the proportion of Ugandan athletes using nutritional supplements and to investigate the athletes' motivation to use these supplements. Methods: A cross-sectional study was conducted in which an interviewer-administered questionnaire was used to collect data from 359 professional athletes participating in individual (boxing, cycling, athletics) and team (basketball, rugby, football, netball, and volleyball) sports...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29158624/plant-growth-under-water-salt-stress-ros-production-antioxidants-and-significance-of-added-potassium-under-such-conditions
#6
Mohammad Abass Ahanger, Nisha Singh Tomar, Megha Tittal, Surendra Argal, R M Agarwal
Plants are confronted with a variety of environmenmtal stresses resulting in enhanced production of ROS. Plants require a threshold level of ROS for vital functions and any change in their concentration alters the entire physiology of plant. Delicate balance of ROS is maintained by an efficient functioning of intriguing indigenous defence system called antioxidant system comprising enzymatic and non enzymatic components. Down regulation of antioxidant system leads to ROS induced oxidative stress causing damage to important cellular structures and hence anomalies in metabolism...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29156929/-role-of-the-egg-in-the-diet-of-athletes-and-physically-active-people
#7
Ana M López Sobaler, Aránzazu Aparicio Vizuete, Rosa M Ortega
The practice of sport and medium-high intensity exercise increases the needs of energy and nutrients. Proper nutrition is very important for reaching the maximum performance, reducing the risk of injury, and ensuring the best recovery. It must also ensure the achievement of optimum nutritional status and prevent health problems at the present and in the future time. Eggs are a very nutritious food that can help athletes to achieve a correct diet. It contains proteins of high quality and bioavailability, a profile of fatty acids very favorable from the cardiovascular point of view, and vitamins and minerals involved in energy and protein metabolism, in defense against oxidative stress and inflammation, in cell growth and tissue repair...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29156928/-beyond-the-nutritional-value-of-yogurt-a-diet-quality-indicator
#8
Nancy Babio, Guillermo Mena-Sánchez, Jordi Salas-Salvadó
Yogurt is a nutrient-dense probiotic food with unique properties. It has been associated with healthy dietary patterns and postulated as a marker of diet quality. In this report we describe the nutritional composition of yogurt as a good source of several micronutrients, which may help to improve diet quality and maintain metabolic well-being as part of a healthy dietary pattern. The results of this report indicate that yogurt consumers have overall higher diet quality. Increasing yogurt consumption may help to improve the intake of some shortfall vitamins and minerals, as part of a well energy-balanced diet...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29155253/the-association-of-inflammatory-bowel-disease-and-immediate-postoperative-outcomes-following-lumbar-fusion
#9
Joseph E Tanenbaum, Stephanie T Kha, Edward C Benzel, Michael P Steinmetz, Thomas E Mroz
BACKGROUND CONTEXT: The United States Centers for Disease Control estimates the prevalence of inflammatory bowel disease (IBD) at over 3.1 million people. As diagnostic techniques and treatment options for IBD improve, the prevalence of IBD is expected to increase. For spine surgeons, patients with IBD have a unique complication profile because IBD patients may present with poor nutritional status and because the medications used to manage IBD have been associated with poor vertebral bone mineralization and immunosuppression...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29153180/a-100-year-review-progress-on-the-chemistry-of-milk-and-its-components
#10
John A Lucey, Don Otter, David S Horne
Understanding the chemistry of milk and its components is critical to the production of consistent, high-quality dairy products as well as the development of new dairy ingredients. Over the past 100 yr we have gone from believing that milk has only 3 protein fractions to identifying all the major and minor types of milk proteins as well as discovering that they have genetic variants. The structure and physical properties of most of the milk proteins have been extensively studied. The structure of the casein micelle has been the subject of many studies, and the initial views on submicelles have given way to the current model of the micelle as being assembled as a result of the concerted action of several types of interactions (including hydrophobic and the formation of calcium phosphate nanoclusters)...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153161/a-100-year-review-a-century-of-dairy-heifer-research
#11
A J Heinrichs, G I Zanton, G J Lascano, C M Jones
The years 1917 to 2017 saw many advances in research related to the dairy heifer, and the Journal of Dairy Science currently publishes more than 20 articles per year focused on heifers. In general, nutrition and management changes made in rearing the dairy heifer have been tremendous in the past century. The earliest literature on the growing heifer identified costs of feeding and implications of growth on future productivity as major concepts requiring further study to improve the overall sustainability of the dairy herd...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153160/a-100-year-review-calf-nutrition-and-management
#12
A F Kertz, T M Hill, J D Quigley, A J Heinrichs, J G Linn, J K Drackley
The first calf paper, published in the May 1919 issue of the Journal of Dairy Science (JDS), described factors affecting birth body weight of different breeds of calves. Other studies were done on nonmilk ingredients, growth charts were developed, and early weaning was followed to conserve milk fed to calves. Calf papers did not report use of statistics to control or record variation or to determine whether treatment means were different. Many experiments were more observational than comparative. Typically fewer than 5 calves, and sometimes 1 or 2 calves, were used per treatment...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153154/a-100-year-review-from-ascorbic-acid-to-zinc-mineral-and-vitamin-nutrition-of-dairy-cows
#13
W P Weiss
Mineral and vitamin nutrition of dairy cows was studied before the first volume of the Journal of Dairy Science was published and is still actively researched today. The initial studies on mineral nutrition of dairy cows were simple balance experiments (although the methods available at the time for measuring minerals were anything but simple). Output of Ca and P in feces, urine, and milk was subtracted from intake of Ca and P, and if values were negative it was often assumed that cows were lacking in the particular mineral...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29151407/minerals-and-trace-elements-in-milk-milk-products-infant-formula-and-adult-pediatric-nutritional-formula-icp-ms-method-collaborative-study-aoac-final-action-2015-06-iso-dis-21424-idf-243
#14
Lawrence H Pacquette, Joseph J Thompson
AOAC Final Action Official Method(SM)2015.06 “Minerals and Trace Elements in Milk, Milk Products, Infant Formula and Adult/Pediatric Nutritional Formula, ICP-MS Method” was collaboratively studied. Note that “milk, milk products” has now been added to the title of the Final Action method because whole milk and several dairy ingredients were successfully incorporated into the collaborative study for the purpose of developing an International Organization for Standardization/International Dairy Federation standard (ISO/DIS 21424; in progress)...
November 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29151126/nutritional-programming-of-bone-structure-in-male-offspring-by-maternal-consumption-of-citrus-flavanones
#15
Sandra M Sacco, Caitlin Saint, Paul J LeBlanc, Wendy E Ward
Maternal exposure to hesperidin (HSP) and naringin (NAR) during pregnancy and lactation transiently compromised bone mineral density (BMD) and bone structure at the proximal tibia in female CD-1 offspring. We examined whether maternal consumption of HSP + NAR during pregnancy and lactation compromises BMD, bone structure, and bone strength in male CD-1 offspring. Male CD-1 offspring, from mothers fed a control diet (CON, n = 10) or a 0.5% HSP + 0.25% NAR diet (HSP + NAR, n = 8) for 5 weeks before mating and throughout pregnancy and lactation, were weaned and fed CON until 6 months of age...
November 18, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29150719/preoperative-optimization-for-major-hepatic-resection
#16
REVIEW
Sarah Walcott-Sapp, Kevin G Billingsley
PURPOSE: Major hepatic resections are performed for primary hepatobiliary malignancies, metastatic disease, and benign lesions. Patients with chronic liver disease, including cirrhosis and steatosis, are at an elevated risk of malnutrition and impaired strength and exercise capacity, deficits which cause increased risk of postoperative complications and mortality. The aims of this report are to discuss the pathophysiology of changes in nutrition, exercise capacity, and muscle strength in patient populations likely to require major hepatectomy, and review recommendations for preoperative evaluation and optimization...
November 18, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29150416/-bicarbonate-from-physiology-to-treatment-for-all-clinicians
#17
Julie Beaume, Antoine Braconnier, Thibault Dolley-Hitze, Jean-Philippe Bertocchio
Acid-base regulation is essential to maintain homeostasis in humans. Carbonic acid/bicarbonate (H2CO3/HCO3(-)) couple is the most predominant extracellular buffer to keep plasma pH within a physiological range. The ability to (re)generate such a buffer is a key milestone that necessitates to understand a precise physiology of both renal tubule and digestive tract. Here, we first reviewed renal and digestive cycles of bicarbonate in physiology. We also reviewed pathological findings where acid-base disequilibrium is involved and nutritional and/or alkali therapy could be necessary...
November 14, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29149476/clinical-parameters-before-and-after-the-transition-to-dialysis
#18
Dugan W Maddux, Len A Usvyat, Terry Ketchersid, Yue Jiao, Tommy C Blanchard, Peter Kotanko, Frank M van der Sande, Jeroen P Kooman, Franklin W Maddux
INTRODUCTION: The transition from pre-dialysis chronic kidney disease (CKD) to post-dialysis start is a critical period associated with high patient mortality and increased hospital admissions. Little is known about the trends of key clinical and laboratory parameters through this time of transition to start dialysis. METHODS: De-identified data including demographics, vital signs, lab results, and eGFR from the Fresenius Medical Care-CKD Registry were analyzed to determine trends in clinical and laboratory parameters through the time of transition from 12 months pre-dialysis start to 12 months post-dialysis start...
November 17, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29145111/a-novel-protein-tyrosine-phosphatase-like-phytase-from-lactobacillus-fermentum-nkn51-cloning-characterization-and-application-in-mineral-release-for-food-technology-applications
#19
Rekha Sharma, Piyush Kumar, Vandana Kaushal, Rahul Das, Naveen Kumar Navani
A novel protein tyrosine phosphatase like phytase (PTPLP), designated as PhyLf from probiotic bacterium Lactobacillus fermentum NKN51 was identified, cloned, expressed and characterized. The recombinant PhyLf showed specific activity of 174.5 U/mg. PhyLf exhibited strict specificity towards phytate and optimum temperature at 60 °C, pH 5.0 and ionic strength of 100 mM. Km and Kcat of PhyLf for phytate were 0.773 mM and 84.31 s(-1), respectively. PhyLf exhibited high resistance against oxidative inactivation...
November 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29141052/association-between-urinary-manganese-and-blood-pressure-results-from-national-health-and-nutrition-examination-survey-nhanes-2011-2014
#20
Cynthia Wu, Jessica G Woo, Nanhua Zhang
Manganese is a trace mineral required for metabolism, growth and tissue formation, and reproduction. It is mainly obtained through food and water, as well as through occupational exposure. This study used data from National Health and Nutrition Examination Survey, combining the 2011-12 and 2013-14 cycles. We conducted linear regression analyses on urinary manganese and blood pressure. Significant negative associations (p<0.01) between urinary manganese and both systolic and diastolic blood pressure existed after adjusting for age, sex, body mass index, race/ethnicity, and status of taking antihypertensive medication...
2017: PloS One
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