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Whey protein

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https://www.readbyqxmd.com/read/29149221/dietary-protein-sources-differentially-affect-microbiota-mtor-activity-and-transcription-of-mtor-signaling-pathways-in-the-small-intestine
#1
Soumya K Kar, Alfons J M Jansman, Nirupama Benis, Javier Ramiro-Garcia, Dirkjan Schokker, Leo Kruijt, Ellen H Stolte, Johanna J Taverne-Thiele, Mari A Smits, Jerry M Wells
Dietary protein sources can have profound effects on host-microbe interactions in the gut that are critically important for immune resilience. However more knowledge is needed to assess the impact of different protein sources on gut and animal health. Thirty-six wildtype male C57BL/6J mice of 35 d age (n = 6/group; mean ± SEM body weight 21.9 ± 0.25 g) were randomly assigned to groups fed for four weeks with semi synthetic diets prepared with one of the following protein sources containing (300 g/kg as fed basis): soybean meal (SBM), casein, partially delactosed whey powder, spray dried plasma protein, wheat gluten meal and yellow meal worm...
2017: PloS One
https://www.readbyqxmd.com/read/29148052/influence-of-the-addition-of-soy-product-and-wheat-fibre-on-rheological-textural-and-other-quality-characteristics-of-pizza
#2
Virginia Glicerina, Federica Balestra, Francesco Capozzi, Marco Dalla Rosa, Santina Romani
The effect of partial replacement of wheat flour with soy-paste and wheat fibre on rheological, textural, physico-chemical and organoleptic characteristics of an enriched pizza base (E) was investigated in comparison with those of a control pizza base (C). New ingredients (e.g. enriched cooked ham, whey cheese and tomato sauce realized using food industry by-products) were also used in E pizza topping to further increase its nutritional properties. Enriched dough was developed first at a laboratory level. Large and small deformation, moisture, leavening activity and metabolic heat were tested...
November 17, 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/29144393/growth-gastrointestinal-tolerance-and-stool-characteristics-of-healthy-term-infants-fed-an-infant-formula-containing-hydrolyzed-whey-protein-63-and-intact-casein-37-a-randomized-clinical-trial
#3
Shang-Ling Wu, Ding Ding, Ai-Ping Fang, Pei-Yan Chen, Si Chen, Li-Peng Jing, Yu-Ming Chen, Hui-Lian Zhu
To investigate whether healthy term infants, fed an infant formula containing hydrolyzed whey protein (HWP-F, hydrolyzed whey/intact casein =63/37), differ in growth, gastrointestinal tolerance and stool characteristics from those fed an infant formula containing intact whey protein (IWP-F, intact whey/intact casein =61/39) or breast milk. Healthy term infants, born within 14 days of the study's commencement, were randomly assigned to be fed IWP-F or HWP-F until 13 weeks of age, and breast-fed (BF) infants were enrolled as a reference group...
November 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29143799/effect-of-a-partially-hydrolysed-whey-infant-formula-supplemented-with-starch-and-lactobacillus-reuteri-dsm-17938-on-regurgitation-and-gastric-motility
#4
Flavia Indrio, Giuseppe Riezzo, Paola Giordano, Maria Ficarella, Maria Paola Miolla, Silvia Martini, Luigi Corvaglia, Ruggiero Francavilla
Functional regurgitation (FR) is common in early infancy and represents a major drain on healthcare resources. This double-blind, randomized controlled trial investigated the effects of a formula containing partially hydrolysed, 100% whey protein, starch and Lactobacillus reuteri (DSM 17938) on gastric emptying rate (GErate) and regurgitation frequency in infants with FR. Enrolled infants were randomly allocated to receive either the test formula or a standard starter formula for four weeks. Ultrasound GErate assessment was performed at baseline (week 0) and at week 4; the number of regurgitations, feed volumes and potential adverse events were recorded in a daily diary...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29137787/ultrasound-impact-on-whey-protein-concentrate-pectin-complexes-and-in-the-o-w-emulsions-with-low-oil-soybean-content-stabilization
#5
Kivia M Albano, Vânia R Nicoletti
Consumers' preference for products with reduced levels of fat increased in the last years. Proteins and polysaccharides have an important role due to their functional and interaction properties because, when combined in ratios and pH of higher potential for electrostatic interactions they may act as emulsifiers or stabilizers. This study evaluated the ultrasound impact on the electrostatic interaction between pectin (PEC) and whey protein concentrate (WPC) at different WPC:PEC ratios (1:1 to 5:1), and its effect on the emulsification and stability of emulsions formulated with WPC:PEC blends (1:1, 4:1) at low soybean oil contents (5 to 15%)...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29128214/application-of-whey-protein-isolate-in-bone-regeneration-effects-on-growth-and-osteogenic-differentiation-of-bone-forming-cells
#6
Timothy E L Douglas, Marta Vandrovcová, Nikola Kročilová, Julia K Keppler, Jana Zárubová, Andre G Skirtach, Lucie Bačáková
Recently, milk-derived proteins have attracted attention for applications in the biomedical field such as tissue regeneration. Whey protein isolate (WPI), especially its main component β-lactoglobulin, can modulate immunity and acts as an antioxidant, antitumor, antiviral, and antibacterial agent. There are very few reports of the application of WPI in tissue engineering, especially in bone tissue engineering. In this study, we tested the influence of different concentrations of WPI on behavior of human osteoblast-like Saos-2 cells, human adipose tissue-derived stem cells (ASC), and human neonatal dermal fibroblasts (FIB)...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29125639/chemical-physiochemical-and-microstructural-properties-and-probiotic-survivability-of-fermented-goat-milk-using-polymerized-whey-protein-and-starter-culture-kefir-mild-01
#7
Hao Wang, Cuina Wang, Mu Wang, Mingruo Guo
A set-type fermented goat milk (FGM) using polymerized whey protein (PWP) as main thickening agent and Kefir Mild 01 as starter culture was developed. The FGM with PWP (0.3%, w/v) and pectin (0.2%, w/v) had low syneresis (5.44 ± 0.92%), desirable viscosity (952.86 ± 61.52 mPa⋅s), and hardness (112.57 ± 3.23 g), which were comparable to a fermented cow milk. Sensory evaluation data showed that the FGM with PWP and pectin had higher scores of both flavor (4.41 ± 0.39) and taste (3.72 ± 0.34) than the sample without PWP...
November 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29125094/inferring-individual-cow-effects-dairy-system-effects-and-feeding-effects-on-latent-variables-underlying-milk-protein-composition-and-cheese-making-traits-in-dairy-cattle
#8
Christos Dadousis, Claudio Cipolat-Gotet, Stefano Schiavon, Giovanni Bittante, Alessio Cecchinato
We examined the latent structure of 26 cheese related phenotypes in dairy cattle. Traits related to milk yield and quality (8 traits), milk protein fractions (8 traits), coagulation and curd firmness indicators (CF, 5 traits) and cheese-making phenotypes (cheese yields (%CY) and nutrient recoveries in the curd (REC), 5 traits) were analysed through multivariate factor analysis (MFA) using a varimax rotation. All phenotypes were measured in 1264 Brown Swiss cows. Ten mutual orthogonal, latent variables (factors; Fs) were obtained explaining 74% of the original variability...
November 10, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29123515/dietary-intervention-with-%C3%AE-lactoglobulin-derived-peptides-and-a-specific-mixture-of-fructo-oligosaccharides-and-bifidobacterium-breve-m-16v-facilitates-the-prevention-of-whey-induced-allergy-in-mice-by-supporting-a-tolerance-prone-immune-environment
#9
Atanaska I Kostadinova, Alba Pablos-Tanarro, Mara A P Diks, Betty C A M van Esch, Johan Garssen, Léon M J Knippels, Linette E M Willemsen
Cow's milk allergy (CMA) prevails in infants and brings increased risk of developing other allergic diseases. Oral administration of specific β-lactoglobulin (BLG)-derived peptides (PepMix) and a specific blend of short- and long-chain fructo-oligosaccharides and Bifidobacterium breve M-16V (FF/Bb) was found to partially prevent CMA development in mice. In this study, we aimed to expand the knowledge on the preventive potential and the underlying mechanisms of this approach. Three-week-old female C3H/HeOuJ mice were orally exposed to PepMix±FF/Bb prior to a 5-week oral sensitization with whole whey and cholera toxin as an adjuvant...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29123193/characterization-of-mammary-specific-disruptions-for-tph1-and-lrp5-during-murine-lactation
#10
Samantha R Weaver, Nicholas J Jury, Karen A Gregerson, Nelson D Horseman, Laura L Hernandez
Serotonin is a homeostatic regulator of the mammary gland during lactation. The contribution of mammary-derived serotonin to circulating serum serotonin concentrations was previously unknown. We have developed mice with mammary-specific disruptions of tryptophan hydroxylase 1 (Tph1) or low-density lipoprotein receptor-related protein 5 (Lrp5) that are induced during late pregnancy and lactation via use of the whey acidic protein (WAP)-Cre cre-lox system. Our objective was to characterize dams with a lactation- and mammary-specific disruption of Lrp5 (WAP-Cre × Lrp5 (FL/FL)) or Tph1 (WAP-Cre × Tph1 (FL/FL))...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122669/osteoanabolic-activity-of-whey-derived-anti-oxidative-mhirl-and-yveel-and-angiotensin-converting-enzyme-inhibitory-yllf-alpmhir-ipa-and-wlahk-bioactive-peptides
#11
Masum Pandey, Rajeev Kapila, Suman Kapila
Exploring bone rebuilding anabolic agents has been gaining much attention due to their potential therapeutic effects in treating several bone disorders including osteoporosis. Whey protein has been reported to affect bone health osteoanabolically, in terms of proliferation and differentiation of primary osteoblast cells. This study investigates whether whey derived anti-oxidative (AO) (P1- MHIRL, P2- YVEEL) and angiotensin converting enzyme inhibitory (ACE inhibitory) (P3- YLLF, P4-ALPMHIR, P5-IPA, P6- WLAHK) bioactive peptides affect the proliferation and differentiation of primary osteoblast cells isolated from rat calvaria...
November 6, 2017: Peptides
https://www.readbyqxmd.com/read/29120794/the-inhibitory-roles-of-native-whey-protein-on-the-rennet-gelation-of-bovine-milk
#12
Charitha J Gamlath, Thomas S H Leong, Muthupandian Ashokkumar, Gregory J O Martin
Rennet gelation is used to produce many types of cheese. The effect of native whey protein on rennet gelation kinetics was investigated. Milks with a wide range of whey protein:casein (WP:CN) ratios (with standardised casein concentrations) were made from powders produced by microfiltration. Measurements of casein macro peptide release showed that native whey protein inhibited the enzymatic action of chymosin, which delayed the onset and reduced the subsequent rate of gelation. Experiments in which increased chymosin concentrations compensated for the inhibition, demonstrated that other factors also contributed to the reduced gelation rate...
April 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29114510/effect-of-timing-of-whey-protein-supplement-on-muscle-damage-markers-after-eccentric-exercise
#13
Jooyoung Kim, Chulhyun Lee, Joohyung Lee
Whey protein is a nutritional supplement commonly ingested for recovery following exercise. However, the timing when whey protein supplement must be ingested after muscle-damaging exercise is debatable. Therefore, the present study investigated the effects of the timing of supplement ingestion on muscle damage markers after eccentric or muscle-damaging exercise. In total, 32 collegiate male students participated in this study; they were randomly assigned to control group (n=8), before supplement group (n=8), after supplement group (n=8), or before and after supplement group (n=8)...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29112912/investigation-of-high-pressure-effect-on-the-structure-and-adsorption-of-%C3%AE-lactoglobulin
#14
K Kurpiewska, A Biela, J I Loch, S Świątek, B Jachimska, K Lewiński
β-Lactoglobulin, being one of the principal whey protein, is of huge importance to the food industry. Temperature/pressure effects on this small protein has been extensively studied by industry. To characterize biochemical properties of β-lactoglobulin after or during pressurization, a wide range of methods have been used thus far. In this study, for the first time, the pressure-induced conformation of β-lactoglobulin in the crystal state was determined, at pressure 430 MPa. Changes observed in the high pressure structure correlate with the physico-chemical properties of pressure-treated β-lactoglobulin obtained from dynamic light scattering, electrophoretic mobility and quartz crystal microbalance with dissipation monitoring measurements...
October 31, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29110469/comparative-analysis-of-whey-n-glycoproteins-in-human-colostrum-and-mature-milk-using-quantitative-glycoproteomics
#15
Xueyan Cao, Dahe Song, Mei Yang, Ning Yang, Qing Ye, Dongbing Tao, Biao Liu, Rina Wu, Xiqing Yue
Glycosylation is a ubiquitous post-translational protein modification that plays a substantial role in various processes. However, whey glycoproteins in human milk have not been completely profiled. Herein, we used quantitative glycoproteomics to quantify whey N-glycosylation sites and their alteration in human milk during lactation; 110 N-glycosylation sites on 63 proteins and 91 N-glycosylation sites on 53 proteins were quantified in colostrum and mature milk whey, respectively. Among these, 68 glycosylation sites on 38 proteins were differentially expressed in human colostrum and mature milk whey...
November 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29109719/phenotypic-characterization-of-human-monocytes-following-macronutrient-intake-in-healthy-humans
#16
Awad Alshahrani, Abdalmalik Bin Khunayfir, Mohammed Al Rayih, Hasan Al Sayed, Abdullah Alsadoon, Mohammed Al Dubayee, Mahmoud Zahra, Yousof Alrumayyan, Maha Al Zayer, Amre Nasr, Ahmad Aljada
Background: Three subsets of human monocytes in circulation have been identified and their characterization is still ill-defined. Although glucose and lipid intakes have been demonstrated to exert pro-inflammatory effects on mononuclear cells (MNCs) of healthy subjects, characterization of monocytes phenotypes following macronutrient (glucose, protein, and lipid) intake in humans remains to be determined. Methods: Thirty-six healthy, normal weight volunteers were recruited in the study...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29106812/whey-protein-hydrolysate-supplementation-accelerates-recovery-from-exercise-induced-muscle-damage-in-females
#17
Meghan A Brown, Emma J Stevenson, Glyn Howatson
A number of different forms of protein and their analogues have been investigated for their efficacy in ameliorating exercise-induced muscle damage (EIMD) and recovery. Preliminary data regarding whey protein hydrolysate (WPH) supplementation are promising. However, its efficacy beyond acute eccentric/resistance exercise bouts or longer-term training programmes are limited and all investigations have been conducted in male or mixed-sex groups. This study sought to elucidate whether the benefits of WPH previously reported can be demonstrated in females following repeated-sprint exercise...
November 6, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29096436/effect-of-oxidation-and-protein-unfolding-on-cross-linking-of-%C3%AE-lactoglobulin-and-%C3%AE-lactalbumin
#18
Anna C Krämer, Armida Torreggiani, Michael J Davies
Oxidation and heat treatment can initiate changes in the amino acid composition, structure, solubility, hydrophobicity, conformation, function, and susceptibility to proteolysis of proteins. These can result in adverse consequences for mammals, plants, foodstuffs, and pharmaceuticals. This study investigated whether and how individual or combined treatment with heat, a commonly encountered factor in industrial processing, and H2O2 alters the structure and composition of two major milk whey proteins, α-lactalbumin and β-lactoglobulin, and mixtures of these...
November 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29091812/food-restriction-followed-by-refeeding-with-a-casein-or-whey-based-diet-differentially-affects-the-gut-microbiota-of-pre-pubertal-male-rats
#19
Majdi Masarwi, Hadas Isaac Solnik, Moshe Phillip, Sima Yaron, Raanan Shamir, Metsada Pasmanic-Chor, Galia Gat-Yablonski
Researchers are gaining an increasing understanding of host-gut microbiota interactions, but studies of the role of gut microbiota in linear growth are scarce. The aim of this study was to investigate the effect of food restriction and refeeding with different diets on gut microbiota composition in fast-growing rats. Young male Sprague-Dawley rats were fed regular rat chow ad libitum (control group) or subjected to 40% food restriction for 36 days followed by continued restriction or ad libitum refeeding for 24 days...
September 14, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29091479/case-study-the-effect-of-nutritional-intervention-on-body-composition-and-physical-performance-of-a-female-squash-player
#20
Christopher Rosimus
The body composition of a squash player may affect athletic performance as carrying excessive body fat may increase injury risk and impair agility and speed. This case study outlines the effect of a nutritional intervention on body composition, vitamin D status and physical performance of a female squash player. A structured, 6-week moderate energy-restricted diet (70-78% of Estimated Energy Requirement (EER) of 2300 kcal was implemented with weekly support. A daily supplement of vitamin D, omega 3 fatty acids, and a multivitamin/multimineral and whey protein was used...
November 1, 2017: International Journal of Sport Nutrition and Exercise Metabolism
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