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https://www.readbyqxmd.com/read/28604135/adding-soy-protein-to-milk-enhances-the-effect-of-resistance-training-on-muscle-strength-in-postmenopausal-women
#1
Fábio L Orsatti, Nailza Maestá, Erick P de Oliveira, Jorge Nahas Neto, Roberto C Burini, Paulo R P Nunes, Aletéia P Souza, Fernanda M Martins, Eliana P Nahas
Resistance training (RT) and high-quality protein ingestion improves muscle mass (MM) and strength (MS). However, no study has evaluated the effect of ingesting milk plus soy protein (SOY) on MM and MS in postmenopausal women (PW). Thus, the aim of this study was to evaluate the effects of adding SOY to milk on MM and MS after 16 weeks of RT. Thirty-two PW were randomized and allocated into two groups: placebo and RT (PL+RT, n = 16) and SOY and RT (SOY+RT, n = 16). The SOY+RT received 25 g of SOY while the PL+RT received 25 g of maltodextrin (placebo)...
June 12, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28530448/carbohydrates-alone-or-mixing-with-beef-or-whey-protein-promote-similar-training-outcomes-in-resistance-training-males-a-double-blind-randomized-controlled-clinical-trial
#2
Fernando Naclerio, Marco Seijo-Bujia, Eneko Larumbe-Zabala, Conrad P Earnest
Beef powder is a new high-quality protein source scarcely researched relative to exercise performance. The present study examined the impact of ingesting hydrolyzed beef protein, whey protein, and carbohydrate on strength performance (1RM), body composition (via plethysmography), limb circumferences and muscular thickness (via ultrasonography), following an 8-week resistance-training program. After being randomly assigned to one of the following groups: Beef, Whey, or Carbohydrate, twenty four recreationally physically active males (n=8 per treatment) ingested 20 g of supplement, mixed with orange juice, once a day (immediately after workout or before breakfast)...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28528092/structural-strength-analysis-of-amorphous-trehalose-maltodextrin-systems
#3
V A Maidannyk, B Nurhadi, Y H Roos
Fundamental knowledge of physical state of materials gives practically important information for food, biological and pharmaceutical industry. Based on Williams-Landel-Ferry (WLF) equation, the strength concept was introduced. This concept provides a simple parameter, S, to express resistance of solids to flow above the glass transition temperature. To develop this approach, miscible trehalose-maltodextrin (0:100; 20:80; 40:60; 60:40; 80:20 and 100:0) systems with different ratios of components were used in the present study...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28492492/the-effect-of-dietary-glycemic-properties-on-markers-of-inflammation-insulin-resistance-and-body-composition-in-postmenopausal-american-women-an-ancillary-study-from-a-multicenter-protein-supplementation-trial
#4
Violeta Stojkovic, Christine A Simpson, Rebecca R Sullivan, Anna Maria Cusano, Jane E Kerstetter, Anne M Kenny, Karl L Insogna, Jessica D Bihuniak
Controversy exists as to whether high glycemic index/glycemic load (GI/GL) diets increase the risk of chronic inflammation, which has been postulated as a pathogenic intermediary between such diets and age-related alterations in body composition and insulin resistance. We conducted an ancillary study to a randomized, double-blind trial comparing the effects of a whey protein supplement (PRO, n = 38) and a maltodextrin supplement (CHO, n = 46) on bone density to evaluate the impact of a calibrated increase in GI/GL on inflammation, insulin resistance, and body composition in a healthy aging population...
May 11, 2017: Nutrients
https://www.readbyqxmd.com/read/28416867/response-surface-optimization-of-low-fat-ice-cream-production-by-using-resistant-starch-and-maltodextrin-as-a-fat-replacing-agent
#5
Mojtaba Azari-Anpar, Morteza Khomeiri, Hamed Ghafouri-Oskuei, Narjes Aghajani
In this research, maltodextrin (0, 1 and 2% w/w) and resistant starch (0, 1 and 2% w/w) were used in the formulation of low-fat ice cream (4% fat) and their effects on the physicochemical and sensory properties were investigated. The optimum levels of maltodextrin and resistant starch were determined by response surface methodology. Increment of maltodextrin and resistant starch increased acidity, viscosity, melting rate, time of dripping and overrun but decreased melting rate of ice cream. Results showed that the incorporation of maltodextrin and resistant starch at 0 and 2% w/w respectively, resulted into ice cream with suitable viscosity, melting rate, first dripping time, overrun and acidity...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28399016/the-effects-of-beef-chicken-or-whey-protein-post-workout-on-body-composition-and-muscle-performance
#6
Matthew H Sharp, Ryan P Lowery, Kevin A Shields, Jason R Lane, Jocelyn L Gray, Jeremy M Partl, Daniel W Hayes, Gabriel J Wilson, Chase A Hollmer, Julie R Minivich, Jacob M Wilson
The purpose of this study was to determine the effects of post-workout consumption of beef protein isolate (Beef), hydrolyzed chicken protein (Chx) or whey protein concentrate (WPC), compared to a control on lean mass and strength during 8 weeks of resistance training. Forty-one males and females were randomized into four groups: WPC (m=5, f=5; Age (yrs)=19 ± 2, Height (cm)=171 ± 10, Mass (kg)= 74.60 ± 14.19), Beef (m=5, f=5; Age (yrs)=22 ± 4, Height (cm)=170 ± 7, Mass (kg)=70.13 ± 8.16), ChxC(m=5, f=6; Age (yrs)=21 ± 2, Height (cm)=169 ± 9, Mass (kg)=74...
April 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28394459/ergogenic-properties-of-metformin-in-simulated-high-altitude
#7
Rebecca L Scalzo, Hunter L Paris, Scott E Binns, Janelle L Davis, Joseph W Beals, Christopher L Melby, Gary J Luckasen, Matthew S Hickey, Benjamin F Miller, Karyn L Hamilton, Christopher Bell
Metformin augments glucose/glycogen regulation and may acutely promote fatigue resistance during high-intensity exercise. In hypobaric environments, such as high altitude, the important contribution of carbohydrates to physiological function is accentuated as glucose/glycogen dependence is increased. Because hypoxia/hypobaria decreases insulin sensitivity, replenishing skeletal muscle glycogen in high altitude becomes challenging and subsequent physical performance may be compromised. We hypothesized that in conditions where glycogen repletion was critical to physical outcomes, metformin would attenuate hypoxia-mediated decrements in exercise performance...
April 10, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28346813/protein-supplementation-does-not-affect-myogenic-adaptations-to-resistance-training
#8
Paul T Reidy, Christopher S Fry, Sherry Igbinigie, Rachel R Deer, Kristofer Jennings, Mark B Cope, Ratna Mukherjea, Elena Volpi, Blake B Rasmussen
It has been proposed that protein supplementation during resistance exercise training enhances muscle hypertrophy. The degree of hypertrophy during training is controlled in part through the activation of satellite cells and myonuclear accretion. PURPOSE: This study aimed to determine the efficacy of protein supplementation (and the type of protein) during traditional resistance training on myofiber cross-sectional area, satellite cell content, and myonuclear addition. METHODS: Healthy young men participated in supervised whole-body progressive resistance training 3 d·wk for 12 wk...
June 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28242718/enterococcus-faecalis-uses-a-phosphotransferase-system-permease-and-a-host-colonization-related-abc-transporter-for-maltodextrin-uptake
#9
Nicolas Sauvageot, Abdelhamid Mokhtari, Philippe Joyet, Aurélie Budin-Verneuil, Víctor S Blancato, Guillermo D Repizo, Céline Henry, Andreas Pikis, John Thompson, Christian Magni, Axel Hartke, Josef Deutscher
Maltodextrin is a mixture of maltooligosaccharides, which are produced by the degradation of starch or glycogen. They are mostly composed of α-1,4- and some α-1,6-linked glucose residues. Genes presumed to code for the Enterococcus faecalis maltodextrin transporter were induced during enterococcal infection. We therefore carried out a detailed study of maltodextrin transport in this organism. Depending on their length (3 to 7 glucose residues), E. faecalis takes up maltodextrins either via MalT, a maltose-specific permease of the phosphoenolpyruvate (PEP):carbohydrate phosphotransferase system (PTS), or the ATP binding cassette (ABC) transporter MdxEFG-MsmX...
May 1, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28161724/resistant-maltodextrin-or-fructooligosaccharides-promotes-glp-1-production-in-male-rats-fed-a-high-fat-and-high-sucrose-diet-and-partially-reduces-energy-intake-and-adiposity
#10
Tohru Hira, Ryoya Suto, Yuka Kishimoto, Sumiko Kanahori, Hiroshi Hara
PURPOSE: Increasing secretion and production of glucagon-like peptide-1 (GLP-1) by continuous ingestion of certain food components has been expected to prevent glucose intolerance and obesity. In this study, we examined whether a physiological dose (5% weight in diet) of digestion-resistant maltodextrin (RMD) has a GLP-1-promoting effect in rats fed a high-fat and high-sucrose (HFS) diet. METHODS: Rats were fed a control diet or the HFS (30% fat, 40% sucrose wt/wt) diet supplemented with 5% RMD or fructooligosaccharides (FOS) for 8 weeks or for 8 days in separated experiments...
February 4, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28102511/some-nutritional-characteristics-of-enzymatically-resistant-maltodextrin-from-cassava-manihot-esculenta-crantz-starch
#11
Rocío Toraya-Avilés, Maira Segura-Campos, Luis Chel-Guerrero, David Betancur-Ancona
Cassava (Manihot esculenta Crantz) native starch was treated with pyroconversion and enzymatic hydrolysis to produce a pyrodextrin and an enzyme-resistant maltodextrin. Some nutritional characteristics were quantified for both compounds. Pyroconversion was done using a 160:1 (p/v) starch:HCl ratio, 90 °C temperature and 3 h reaction time. The resulting pyrodextrin contained 46.21% indigestible starch and 78.86% dietary fiber. Thermostable α-amylase (0.01%) was used to hydrolyze the pyrodextrin at 95 °C for 5 min...
June 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28100603/digestion-resistant-dextrin-derivatives-are-moderately-digested-in-the-small-intestine-and-contribute-more-to-energy-production-than-predicted-from-large-bowel-fermentation-in-rats
#12
Takashi Kondo, Kei Handa, Tomomi Genda, Shingo Hino, Norihisa Hamaguchi, Tatsuya Morita
Background: Digestion-resistant dextrin derivatives (DRDDs), including resistant maltodextrin (RM), polydextrose, and resistant glucan (RG), have been developed as low-energy foods. However, data on the resistance of DRDDs to small-intestinal digestion are scarce.Objective: We sought to determine the site and extent of DRDD breakdown in the rat intestine and to predict its energy contributions.Methods: In vitro small-intestinal resistance of DRDDs was evaluated by the AOAC method for dietary fiber measurement and by artificial digestion with the use of pancreatic α-amylase and brush-boarder membrane vesicles...
March 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/27928121/resistant-maltodextrin-decreases-micellar-solubility-of-lipids-and-diffusion-of-bile-salt-micelles-and-suppresses-incorporation-of-micellar-fatty-acids-into-caco-2-cells
#13
Ikuo Ikeda, Kyouhei Tamakuni, Tomomi Sakuma, Ran Ozawa, Nao Inoue, Yuka Kishimoto
Several studies have suggested that resistant maltodextrin (RMD) suppresses intestinal lipid absorption in experimental animals and humans. However, possible mechanisms underlying this effect are not known. In this study, effects of RMD on processes of the absorption of various lipids were investigated in vitro. RMD dose-dependently suppressed the solubility of various lipid components, including 1-mono-oleoylglycerol, oleic acid, and phosphatidylcholine in bile salt micelles in vitro. When the diffusion rate of bile salt micelles through a filter membrane was investigated in vitro, bile salt micelles containing RMD diffused more slowly than those without RMD...
2016: Journal of Nutritional Science and Vitaminology
https://www.readbyqxmd.com/read/27816752/reduced-intake-of-carbohydrate-prevents-the-development-of-obesity-and-impaired-glucose-metabolism-in-ghrelin-o-acyltransferase-knockout-mice
#14
Tetsuya Kouno, Nobuteru Akiyama, Kumiko Fujieda, Isamu Nanchi, Tomohiko Okuda, Takanori Iwasaki, Shogo Oka, Hideo Yukioka
A close relationship between acylated-ghrelin and sucrose intake has been reported. However, little has been examined about the physiological action of ghrelin on preference for different types of carbohydrate such as glucose, fructose, and starch. The current study was aimed to investigate the role of acylated-ghrelin in the determinants of the choice of carbohydrates, and pathogenesis of chronic disorders, including obesity and insulin resistance. In a two-bottle-drinking test, ghrelin O-acyltransferase (GOAT) knockout (KO) mice consumed a less amount of glucose and maltodextrin, and almost the same amount of fructose and saccharin solution compared to WT littermates...
December 2016: Peptides
https://www.readbyqxmd.com/read/27780819/light-load-resistance-exercise-increases-muscle-protein-synthesis-and-hypertrophy-signaling-in-elderly-men
#15
RANDOMIZED CONTROLLED TRIAL
Jakob Agergaard, Jacob Bülow, Jacob K Jensen, Søren Reitelseder, Micah J Drummond, Peter Schjerling, Thomas Scheike, Anja Serena, Lars Holm
The present study investigated whether well-tolerated light-load resistance exercise (LL-RE) affects skeletal muscle fractional synthetic rate (FSR) and anabolic intracellular signaling as a way to counteract age-related loss of muscle mass. Untrained healthy elderly (>65-yr-old) men were subjected to 13 h of supine rest. After 2.5 h of rest, unilateral LL-RE, consisting of leg extensions (10 sets, 36 repetitions) at 16% of 1 repetition maximum (RM), was conducted. Subsequently, the subjects were randomized to oral intake of 4 g of whey protein per hour (PULSE, n = 10), 28 g of whey protein at 0 h and 12 g of whey protein at 7 h postexercise (BOLUS, n = 10), or 4 g of maltodextrin per hour (placebo, n = 10)...
April 1, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27596397/effective-lactobacillus-plantarum-and-bifidobacterium-infantis-encapsulation-with-chia-seed-salvia-hispanica-l-and-flaxseed-linum-usitatissimum-l-mucilage-and-soluble-protein-by-spray-drying
#16
Mariela Bustamante, B Dave Oomah, Mónica Rubilar, Carolina Shene
Mucilage (M) and soluble protein (SP) extracted from chia seed and flaxseed were used as encapsulating material for two probiotic bacteria: Bifidobacterium infantis and Lactobacillus plantarum by spray drying. Probiotic survival and viability after spray drying and during storage were evaluated. B. infantis and L. plantarum displayed high survival (⩾98%) after encapsulation with mixtures of maltodextrin (MD) combined with M and SP from flaxseed (MD:FM:FSP - 7.5:0.2:7.5%, w/w/w) and chia seed (MD:CM:CSP - 7...
February 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27523919/effect-of-creatine-supplementation-and-drop-set-resistance-training-in-untrained-aging-adults
#17
Sarah Johannsmeyer, Darren G Candow, C Markus Brahms, Deborah Michel, Gordon A Zello
OBJECTIVE: To investigate the effects of creatine supplementation and drop-set resistance training in untrained aging adults. Participants were randomized to one of two groups: Creatine (CR: n=14, 7 females, 7 males; 58.0±3.0yrs, 0.1g/kg/day of creatine+0.1g/kg/day of maltodextrin) or Placebo (PLA: n=17, 7 females, 10 males; age: 57.6±5.0yrs, 0.2g/kg/day of maltodextrin) during 12weeks of drop-set resistance training (3days/week; 2 sets of leg press, chest press, hack squat and lat pull-down exercises performed to muscle fatigue at 80% baseline 1-repetition maximum [1-RM] immediately followed by repetitions to muscle fatigue at 30% baseline 1-RM)...
October 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27512687/imaging-bacteria-with-radiolabelled-quinolones-cephalosporins-and-siderophores-for-imaging-infection-a-systematic-review
#18
S Auletta, F Galli, C Lauri, D Martinelli, I Santino, Alberto Signore
Bacterial infections are still one of the main causes of patient morbidity and mortality worldwide. Nowadays, many imaging techniques, like computed tomography or magnetic resonance imaging, are used to identify inflammatory processes, but, although they recognize anatomical modifications, they cannot easily distinguish bacterial infective foci from non bacterial infections. In nuclear medicine, many efforts have been made to develop specific radiopharmaceuticals to discriminate infection from sterile inflammation...
2016: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27466602/protein-supplementation-has-minimal-effects-on-muscle-adaptations-during-resistance-exercise-training-in-young-men-a-double-blind-randomized-clinical-trial
#19
Paul T Reidy, Michael S Borack, Melissa M Markofski, Jared M Dickinson, Rachel R Deer, Syed H Husaini, Dillon K Walker, Sherry Igbinigie, Shay M Robertson, Mark B Cope, Ratna Mukherjea, Janine M Hall-Porter, Kristofer Jennings, Elena Volpi, Blake B Rasmussen
BACKGROUND: To our knowledge the efficacy of soy-dairy protein blend (PB) supplementation with resistance exercise training (RET) has not been evaluated in a longitudinal study. OBJECTIVE: Our aim was to determine the effect of PB supplementation during RET on muscle adaptation. METHODS: In this double-blind randomized clinical trial, healthy young men [18-30 y; BMI (in kg/m(2)): 25 ± 0.5] participated in supervised whole-body RET at 60-80% 1-repetition maximum (1-RM) for 3 d/wk for 12 wk with random assignment to daily receive 22 g PB (n = 23), whey protein (WP) isolate (n = 22), or an isocaloric maltodextrin (carbohydrate) placebo [(MDP) n = 23]...
September 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27456494/effect-of-prebiotic-intake-on-gut-microbiota-intestinal-permeability-and-glycemic-control-in-children-with-type-1-diabetes-study-protocol-for-a-randomized-controlled-trial
#20
Josephine Ho, Raylene A Reimer, Manpreet Doulla, Carol Huang
BACKGROUND: The gut microbiome is increasingly recognized as a contributor to disease states. Patients with type 1 diabetes (DM1) have distinct gut microbiota in comparison to non-diabetic individuals, and it has been linked to changes in intestinal permeability, inflammation and insulin resistance. Prebiotics are non-digestible carbohydrates that alter gut microbiota and could potentially improve glycemic control in children with DM1. This pilot study aims to determine the feasibility of a 12-week dietary intervention with prebiotics in children with DM1...
July 26, 2016: Trials
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