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https://www.readbyqxmd.com/read/28816922/nil-whey-protein-effect-on-glycaemic-control-after-intense-mixed-mode-training-in-t2d
#1
Kim A Gaffney, Adam Lucero, Lee Stoner, James Faulkner, Patricia Whitfield, Jeremy Krebs, David S Rowlands
While intense endurance and resistance exercise training and whey protein supplementation have both been shown to independently improve glycaemic control, no known studies have examined the effect of high-intensity mixed-mode interval training (MMIT) and whey supplementation in adults with Type-2 diabetes (T2D). PURPOSE: To determine if peri-training whey protein supplementation combined with MMIT can improve glycaemic control. METHODS: In a double-blind randomised controlled trial, 24 men (55...
August 14, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28811130/comparative-study-on-stabilizing-ability-of-food-protein-non-ionic-surfactant-and-anionic-surfactant-on-bcs-type-ii-drug-carvedilol-loaded-nanosuspension-physicochemical-and-pharmacokinetic-investigation
#2
Tianjiao Geng, Parikshit Banerjee, Zhangdi Lu, Abdelmoumin Zoghbi, Tiantian Li, Bo Wang
Carvedilol (CAR) in its pure state has low aqueous solubility and extremely poor bioavailability which largely limit its clinical application. The aim of the study is to improve the dissolution rate and the bioavailability of CAR via preparing nanosuspensions with different stabilizers. Antisolvent precipitation-ultrasonication technique was used here. Attempts have been made to use food protein- Whey protein isolate (WPI) as a stabilizer in CAR loaded nanosuspension and also to compare its stabilizing potential with conventional nanosuspension stabilizers such as non-ionic linear copolymer-poloxamer 188 (PLX188) and anionic surfactant-sodium dodecyl sulfate (SDS)...
August 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28804604/why-whey-camel-whey-protein-as-a-new-dietary-approach-to-the-management-of-free-radicals-and-for-the-treatment-of-different-health-disorders
#3
REVIEW
Gamal Badr, Nancy K Ramadan, Leila H Sayed, Badr M Badr, Hossam M Omar, Zeliha Selamoglu
The balance between free radicals and antioxidants is an important factor for maintaining health and slowing disease progression. The use of antioxidants, particularly natural antioxidants, has become an important strategy for dealing with this cause of widespread diseases. Natural antioxidants have been used as therapeutic tools against many diseases because they are safe, effective, and inexpensive and are among the most commonly used adjuvants in the treatment of several diseases. Camel whey protein (CWP) is considered a strong natural antioxidant because it decreases oxidative stress, enhances immune system function, and increases glutathione levels...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804009/effects-of-timing-of-whey-protein-intake-on-appetite-and-energy-intake-in-healthy-older-men
#4
Caroline Giezenaar, Zoé Coudert, Abdul Baqeri, Caroline Jensen, Trygve Hausken, Michael Horowitz, Ian Chapman, Stijn Soenen
BACKGROUND: Protein-rich supplements are used widely to prevent and manage malnutrition in older adults. We previously showed that 30 g whey protein ingestion, 3 hours before a buffet meal, suppressed energy intake in young, but not in older men. Information about the impact of the timing of ingestion of protein drinks on the suppression of energy intake in older adults is lacking. OBJECTIVE: The aim of the study was to determine the effect of the timing of whey protein ingestion on appetite and subsequent ad libitum energy intake in healthy older men...
August 10, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28802310/quantification-of-whey-protein-content-in-infant-formulas-by-sodium-dodecyl-sulfate-capillary-gel-electrophoresis-sds-cge-single-laboratory-validation-first-action-2016-15
#5
Ping Feng, Christophe Fuerer, Adrienne McMahon, Darryl Sullivan, John Austad, Sneh Bhandari, Esther Campos-Gimenez, Scott Christiansen, Hans Cruijsen, Jon DeVries, Brendon Gill, Don Gilliland, Min Huang, Estela Kneeteman, Adrienne McMahon, Bill Mindak, Maria Ofitserova, Melissa Phillips, Shay Phillips, Karen Schimpf, Guenther Raffler, Kate Rimmer, Wil van Loon, Jinchuan Yang
No abstract text is available yet for this article.
July 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28802019/effects-of-ultrasound-treatment-on-physicochemical-functional-properties-and-antioxidant-activity-of-whey-protein-isolate-in-the-presence-of-calcium-lactate
#6
Zhanmei Jiang, Kun Yao, Xiangying Yuan, Zhishen Mu, Zengli Gao, Juncai Hou, Lianzhou Jiang
BACKGROUND: The aim of this study was to investigate the effects of ultrasound applied at various powers (0, 200, 400, 600 or 800 W) and for different times (20 or 40 min) on the physicochemical, functional properties and antioxidant activities of whey protein isolate (WPI) dispersions in the presence of 1.20 mmol L(-1) calcium lactate. RESULTS: Surface hydrophobicity and free sulfhydryl group of the WPI dispersions containing 1.2 mmol L(-1) calcium lactate were significantly enhanced after sonication...
August 12, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28800398/a-13-week-randomized-pilot-trial-of-a-low-glycemic-load-diet-and-lifestyle-modification-program-combining-low-glycemic-load-protein-shakes-and-targeted-nutraceuticals-improved-weight-loss-and-cardio-metabolic-risk-factors-over-a-low-glycemic-load-diet-alone
#7
Clinton J Dahlberg, Joseph J Ou, John G Babish, Joseph J Lamb, Sarah Eliason, Holly Brabazon, Wei Gao, Mohan R Kaadige, Matthew L Tripp
An open label, randomized, exploratory study comprising 44 healthy, overweight subjects with cardio-metabolic syndrome (CMS) risk factors was conducted to assess the safety, tolerability and efficacy of a proprietary lifestyle modification program without (DIET) and with (PROG) targeted nutraceutical supplementation including soy, pea and whey proteins, phytosterols, antioxidants, probiotics, fish oil and berberine over 13-weeks. Key metrics were recorded at baseline, weeks 9 and 13. For DIET and PROG compliance was 85% and 86%, respectively, with no adverse events related to the diet or supplements...
August 11, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28796377/tryptophan-and-cysteine-oxidation-products-dominate-in-%C3%AE-lactalbumin-derived-peptides-analyzed-with-lc-ms-n
#8
Tuuli P Koivumäki, Göker Gürbüz, I Marina Heinonen
α-Lactalbumin (α-La), a major milk whey protein, is comprised of several amino acids prone to metal-catalyzed oxidation (MCO) typical in processing and during storage of foods. New tools are needed for the detection of characteristic oxidation products especially from tryptophan and cysteine that often remain unrecognized when using the traditional methods of carbonyl formation monitoring. In this study, the oxidative changes in α-La were investigated through tryptic digestion and collection of 3 descriptive peptides fitted into a metal-catalyzed oxidation (Fenton reaction) model...
August 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28796363/physiochemical-properties-and-probiotic-survivability-of-symbiotic-corn-based-yogurt-like-product
#9
Cuina Wang, Huajie Zheng, Tingting Liu, Dawei Wang, Mingruo Guo
Corn is a major grain produced in northern China. Corn-based functional food products are very limited. In this study, a symbiotic corn-based yogurt-like product was developed. Corn milk was prepared through grinding, extrusion and milling, and hydration processes. Corn extrudate was prepared under the optimized conditions of corn flour particle size <180 μm, moisture content of 15% and extrusion temperature at 130 °C. The corn milk was prepared from 8% corn extrudate suspension and then milled twice with 0...
August 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28795848/use-of-prebiotic-carbohydrate-as-wall-material-on-lime-essential-oil-microparticles
#10
Pedro Henrique Campelo, Jayne de Abreu Figueiredo, Rosana Zacarias Domingues, Regiane Victória de Barros Fernandes, Diego Alvarenga Botrel, Soraia Vilela Borges
The aim of this work was to study the use of different prebiotic biopolymers in lime essential oil microencapsulation. Whey protein isolate, inulin and oligofructose biopolymers were used. The addition of prebiotic biopolymers reduced emulsion viscosity, althoughit produced larger droplet sizes (0.31-0.32µm). Moisture values (2.94-3.13 g/100 g dry solids) and water activity (0.152-0.185) were satisfactory, being within the appropriate range for powdered food quality.Total oil content, limonene retention values and antioxidant activity of the microparticles containing essential oildecreased in the presence of the carbohydrates...
August 10, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28794927/development-of-functional-fermented-whey-oat-based-product-using-probiotic-bacteria
#11
Poorva Sharma, Neetika Trivedi, Yogesh Gat
The aim of the present study was to formulate a fermented whey product using probiotic bacteria and whey protein concentrate (WPC containing 70% of proteins) to obtain a fermented product with low lactose and β-lactoglobulin (BLG) content. Several factors such as starter culture concentration (1, 5, and 10%) and fermentation time (2, 4, 6, 8, and 10 h) were optimized on the basis of growth activity in terms of viable count, pH, and acidity. Starter culture concentration and fermentation time of 5% and 10 h, respectively, show the optimal viable count (9...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28790922/exercise-preserves-lean-mass-and-performance-during-severe-energy-deficit-the-role-of-exercise-volume-and-dietary-protein-content
#12
Jose A L Calbet, Jesús G Ponce-González, Jaime de La Calle-Herrero, Ismael Perez-Suarez, Marcos Martin-Rincon, Alfredo Santana, David Morales-Alamo, Hans-Christer Holmberg
The loss of fat-free mass (FFM) caused by very-low-calorie diets (VLCD) can be attenuated by exercise. The aim of this study was to determine the role played by exercise and dietary protein content in preserving the lean mass and performance of exercised and non-exercised muscles, during a short period of extreme energy deficit (~23 MJ deficit/day). Fifteen overweight men underwent three consecutive experimental phases: baseline assessment (PRE), followed by 4 days of caloric restriction and exercise (CRE) and then 3 days on a control diet combined with reduced exercise (CD)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28780108/the-effect-of-bleaching-agents-on-the-degradation-of-vitamins-and-carotenoids-in-spray-dried-whey-protein-concentrate
#13
M A Stout, C W Park, M A Drake
Previous research has shown that bleaching affects flavor and functionality of whey proteins. The role of different bleaching agents on vitamin and carotenoid degradation is unknown. The objective of this study was to determine the effects of bleaching whey with traditional annatto (norbixin) by hydrogen peroxide (HP), benzoyl peroxide (BP), or native lactoperoxidase (LP) on vitamin and carotenoid degradation in spray-dried whey protein concentrate 80% protein (WPC80). An alternative colorant was also evaluated...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28777927/carbohydrate-and-protein-intake-during-exertional-heat-stress-ameliorates-intestinal-epithelial-injury-and-small-intestine-permeability
#14
Rhiannon M J Snipe, Anthony Khoo, Cecilia M Kitic, Peter Gibson, Ricardo J S Costa
BACKGROUND: Exertional-heat stress (EHS) disturbs the integrity of the gastrointestinal tract leading to endotoxaemia and cytokinaemia, which have symptomatic and health implications. This study aimed to determine the effects of carbohydrate and protein intake during EHS on gastrointestinal integrity, symptoms and systemic responses. METHODS: Eleven (male n=6, female n=5) endurance runners completed 2h running at 60% V̇O2max in 35°C ambient temperature on three occasions in randomised order, consuming water (WATER) or 15g glucose (GLUC) or energy-matched whey protein hydrolysate (WPH) before and every 20min during EHS...
August 4, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28771065/acrolein-induced-oxidative-stress-and-genotoxicity-in-rats-protective-effects-of-whey-protein-and-conjugated-linoleic-acid
#15
Birsen Aydın, Zülal Atlı Şekeroğlu, Vedat Şekeroğlu
Acrolein (AC), a highly reactive hazardous pollutant, poses serious threats to human health. Whey protein (WP) and conjugated linoleic acid (CLA) have beneficial health implications. We investigated the protective effects of WP and CLA against AC-induced toxicity in rats. The animals were orally gavaged with CLA (200 mg/kg/day), WP (200 mg/kg/day), AC (5 mg/kg/day), CLA + AC (200 + 5 mg/kg/day), and WP + AC (200 + 5 mg/kg/day) six days per week for 30 days. The oral administration of AC significantly induced oxidative stress by increasing thiobarbituric acid reactive substances (TBARS) and protein carbonyls (PCOs) levels and decreasing glutathione (GSH) level in the spleen, thymus, and polymorphonuclear leukocytes (PMNs)...
August 3, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28764059/a-two-step-enzymatic-modification-method-to-reduce-immuno-reactivity-of-milk-proteins
#16
Srinivasan Damodaran, Yan Li
A two-step enzymatic approach to reduce immuno-reactivity of whey protein isolate and casein has been studied. The method involves partial hydrolysis of proteins with proteases, followed by repolymerization with microbial transglutaminase. Whey protein isolate partially hydrolyzed with chymotrypsin, trypsin, or thermolysin retained about 80%, 30%, and 20% of the original immuno-reactivity, respectively. Upon repolymerization the immuno-reactivity decreased to 45%, 35%, and 5%, respectively. The immuno-reactivity of hydrolyzed and repolymerized casein was negligible compared to native casein...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28764006/potential-antioxidant-peptides-produced-from-whey-hydrolysis-with-an-immobilized-aspartic-protease-from-salpichroa-origanifolia-fruits
#17
Gabriela Fernanda Rocha, Francisco Kise, Adriana Mabel Rosso, Mónica Graciela Parisi
An aspartic protease from Salpichroa origanifolia fruits was successfully immobilized onto an activated support of glutaraldehyde agarose. The immobilized enzyme presented higher thermal stability than the free enzyme from 40°C to 50°C and high reusability, retaining 54% of the initial activity after ten cycles of the process. Whey protein concentrates (WPC) were hydrolyzed with both free and immobilized enzyme, reaching a similar degree of hydrolysis of approximately 6-8% after 20h. In addition, the immobilized derivate hydrolyzed α-lactalbumin protein with a higher affinity than β-lactoglobulin...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28763990/functional-and-in-vitro-gastric-digestibility-of-the-whey-protein-hydrogel-loaded-with-nanostructured-lipid-carriers-and-gelled-via-citric-acid-mediated-crosslinking
#18
Behnaz Hashemi, Ashkan Madadlou, Maryam Salami
Nanostructured lipid carriers (NLCs) with mean size of 347nm were fabricated and added into a heat-denatured whey protein solution. The subsequent crosslinking of proteins by citric acid or CaCl2 resulted in the formation of cold-set hydrogels. Fourier transform infrared spectroscopy (FTIR) proposed formation of more hydrogen bonds in gel due to NLC loading or citric acid-mediated gelation. It was also found based on FITR spectroscopy that citric acid crosslinking disordered whey proteins. Scanning electron microscopy (SEM) imaging showed a non-porous and finely meshed microstructure for the crosslinked gels compared to non-crosslinked counterparts...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28761664/glucose-lowering-effect-of-whey-protein-depends-upon-clinical-characteristics-of-patients-with-type-2-diabetes
#19
Rogelio U Almario, Wendy M Buchan, David M Rocke, Sidika E Karakas
OBJECTIVE: Whey protein (WP) intake has been shown to reduce postprandial glycemia. Majority of WP research in type 2 diabetes (T2DM) involved acute challenge or weight loss studies. It is not known if WP supplementation can provide sustained glucose lowering. Our goal was to investigate the effects of WP on glycemia comprehensively by using continuous glucose monitoring (CGM) while avoiding the confounding effects of variable food intake through controlled feeding. RESEARCH DESIGN AND METHODS: This double-blinded and placebo (PL)-controlled study included 22 patients with T2DM patients (11 male, 11 female; age 57...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28757420/effect-of-different-combinations-of-maltodextrin-gum-arabic-and-whey-protein-concentrate-on-the-encapsulation-behaviour-and-oxidative-stability-of-spray-dried-drumstick-moringa-oleifera-oil
#20
Monica Premi, H K Sharma
The objective of the present study was to investigate the effect of different combinations of carrier agents (Maltodextrin, gum arabic and whey protein concentrate) on the emulsion properties, encapsulation efficiency and oxidative stability of encapsulated drumstick oil powder (EDOP), produced by spray drying to increase its usage as an active ingredient. Feed emulsion characteristics were studied in terms of emulsion stability, droplet size, viscosity and surface charge. Obtained spray dried EDOP was characterized for physical and flow properties, microstructure and oxidative stability...
July 27, 2017: International Journal of Biological Macromolecules
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