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https://www.readbyqxmd.com/read/28801712/design-and-characterization-of-alcalase-chitosan-conjugates-as-potential-biocatalysts
#1
Milena G Žuža, Nikola Z Milašinović, Marko M Jonović, Jelena R Jovanović, Melina T Kalagasidis Krušić, Branko M Bugarski, Zorica D Knežević-Jugović
In this study, alcalase (protease from Bacillus licheniformis) immobilization by adsorption, enzyme crosslinking and covalent enzyme binding to activated chitosan microbeads were examined. The biocatalysts highest activity was obtained by covalent immobilization of alcalase onto a solid support. The alcalase covalent immobilization onto different types of chitosan beads obtained by inverse emulsion technique and electrostatic extrusion was studied. Parameters examined under different conditions were beads diameter, enzyme loading, enzyme capacity yield, and biocatalyst activity...
August 11, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28801097/chicken-feathers-as-a-natural-source-of-sulphur-to-develop-sustainable-protein-films-with-enhanced-properties
#2
Tania Garrido, Itsaso Leceta, Koro de la Caba, Pedro Guerrero
In this work, the effect of hydrolyzed keratin on the properties of soy protein-based films was analyzed when different manufacture processes were employed. It is widely known that the processing method selected can affect the film properties as a function of the structure obtained during the film formation. Therefore, the assessment of hydrolyzed keratin/soy protein films processed by casting and compression moulding was carried out by means of the analysis of physicochemical, thermal, mechanical, optical and surface properties...
August 8, 2017: International Journal of Biological Macromolecules
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
#3
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/28798999/influence-of-immunostimulant-polysaccharides-nucleic-acids-and-bacillus-strains-on-the-innate-immune-and-acute-stress-response-in-turbots-scophthalmus-maximus-fed-soy-bean-and-wheat-based-diets
#4
V I Fuchs, J Schmidt, M J Slater, B H Buck, D Steinhagen
Immunostimulants are widely applied in aquaculture practice and may have beneficial effects on the immune system and physical functions allowing higher tolerance to stress. In the current study, the impact of four (i-iv) dietary active ingredients on the immune and stress response of turbot was examined in two experiments (I and II). A basal low fish meal (FM; 32%) diet was formulated and supplemented with (i) yeast β-glucan and mannan oligosaccharide (GM), (ii) alginic acid (AC), (iii) yeast nucleotides and RNA (NR), or (iv) Bacillus strains (BS)...
August 10, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28798733/beef-chicken-and-soy-proteins-in-diets-induce-different-gut-microbiota-and-metabolites-in-rats
#5
Yingying Zhu, Xuebin Shi, Xisha Lin, Keping Ye, Xinglian Xu, Chunbao Li, Guanghong Zhou
Previous studies have paid much attention to the associations between high intake of meat and host health. Our previous study showed that the intake of meat proteins can maintain a more balanced composition of gut bacteria as compared to soy protein diet. However, the associations between dietary protein source, gut bacteria, and host health were still unclear. In this study, we collected colonic contents from the growing rats fed with casein, beef, chicken or soy proteins for 90 days, and analyzed the compositions of gut microbiota and metabolites...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28796363/physiochemical-properties-and-probiotic-survivability-of-symbiotic-corn-based-yogurt-like-product
#6
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/28793991/trial-of-ready-to-use-supplemental-food-and-corn-soy-blend-in-pregnant-malawian-women-with-moderate-malnutrition-a-randomized-controlled-clinical-trial
#7
Meghan Callaghan-Gillespie, Andrew A Schaffner, Patsy Garcia, Jocelyn Fry, Rachael Eckert, Shirin Malek, Indi Trehan, Chrissie Thakwalakwa, Kenneth M Maleta, Mark J Manary, Peggy C Papathakis
Background: Malnutrition during pregnancy in sub-Saharan Africa is associated with poor birth outcomes.Objective: This study compared maternal and offspring anthropometry for moderately malnourished pregnant women receiving ready-to-use supplemental food (RUSF), a fortified corn-soy blend (CSB+) with a daily multiple micronutrient antenatal supplement [United Nations International Multiple Micronutrient Preparation (UNIMMAP)], or standard of care comprising CSB+ and iron and folic acid (IFA).Design: A single-blind randomized controlled clinical trial was conducted in southern Malawi among 1828 pregnant women with moderate malnutrition, defined as a midupper arm circumference (MUAC) ≥20...
August 9, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28791293/differential-effects-of-high-protein-diets-derived-from-soy-and-casein-on-blood-brain-barrier-integrity-in-wild-type-mice
#8
Matthew Snelson, John C L Mamo, Virginie Lam, Corey Giles, Ryusuke Takechi
A number of studies report that a diet high in protein influences cognitive performance, but the results are inconsistent. Studies demonstrated that protein from different food sources has differential effects on cognition. It is increasingly recognized that the integrity of cerebrovascular blood-brain barrier (BBB) is pivotal for central nervous system function. However, to date, no studies have reported the effects of high-protein diets on BBB integrity. Therefore, in this study, the effects of diets enriched in casein or soy protein on BBB permeability were investigated...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28783066/utility-of-milk-coagulant-enzyme-of-moringa-oleifera-seed-in-cheese-production-from-soy-and-skim-milks
#9
María Alejandra Sánchez-Muñoz, Mónica Andrea Valdez-Solana, Claudia Avitia-Domínguez, Patricia Ramírez-Baca, María Guadalupe Candelas-Cadillo, Miguel Aguilera-Ortíz, Jorge Armando Meza-Velázquez, Alfredo Téllez-Valencia, Erick Sierra-Campos
In this study, the potential use of Moringa oleifera as a clotting agent of different types of milk (whole, skim, and soy milk) was investigated. M. oleifera seed extract showed high milk-clotting activity followed by flower extract. Specific clotting activity of seed extract was 200 times higher than that of flower extract. Seed extract is composed by four main protein bands (43.6, 32.2, 19.4, and 16.3 kDa). Caseinolytic activity assessed by sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) and tyrosine quantification, showed a high extent of casein degradation using M...
August 5, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28773012/simultaneously-toughening-and-strengthening-soy-protein-isolate-based-composites-via-carboxymethylated-chitosan-and-halloysite-nanotube-hybridization
#10
Xiaorong Liu, Haijiao Kang, Zhong Wang, Wei Zhang, Jianzhang Li, Shifeng Zhang
Chemical cross-linking modification can significantly enhance the tensile strength (TS) of soy protein isolate (SPI)-based composites, but usually at the cost of a reduction in the elongation at break (EB). In this study, eco-friendly and high-potential hybrid SPI-based nanocomposites with improved TS were fabricated without compromising the reduction of EB. The hybrid of carboxymethylated chitosan (CMCS) and halloysite nanotubes (HNTs) as the enhancement center was added to the SPI and 1,2,3-propanetriol-diglycidyl-ether (PTGE) solution...
June 14, 2017: Materials
https://www.readbyqxmd.com/read/28755928/stabilization-of-milk-proteins-in-acidic-conditions-by-pectic-polysaccharides-extracted-from-soy-flour
#11
Y Cai, B Cai, S Ikeda
Pectic polysaccharides were extracted from soy flour at either room temperature (SPRT) or 121°C (SPH), and their abilities to stabilize milk proteins in acidic conditions were evaluated. Both SPRT and SPH were found to contain proteinaceous components that were difficult to dissociate from polysaccharide components using size exclusion chromatography, whereas the molar mass of the former was approximately twice that of the latter. Due to the higher molar mass, SPRT was expected to provide stronger steric effects to prevent aggregation between milk proteins in acidic conditions than SPH...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28748080/formulation-and-nutritional-evaluation-of-a-healthy-vegetable-soup-powder-supplemented-with-soy-flour-mushroom-and-moringa-leaf
#12
Tasnim Farzana, Suman Mohajan, Trissa Saha, Md Nur Hossain, Md Zahurul Haque
The research study was conducted to develop a healthy vegetables soup powder supplemented with soy flour, mushroom, moringa leaf and compare its nutritional facts with locally available soup powders. Proximate analysis and sensory evaluation were done by standard method. In this study, moisture, ash, protein, fat, fiber, carbohydrate, and energy content were ranged from 2.83% to 5.46%, 9.39% to 16.48%, 6.92% to 16.05%, 4.22% to 6.39%, 0.22% to 1.61%, 58.81% to 75.41%, and 337.42 to 386.72 kcal/100 g, respectively...
July 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28745770/the-influence-of-ionic-strength-on-the-characteristics-of-heat-induced-soy-protein-aggregate-nanoparticles-and-the-freeze-thaw-stability-of-the-resultant-pickering-emulsions
#13
Xue-Feng Zhu, Jie Zheng, Fu Liu, Chao-Ying Qiu, Wei-Feng Lin, Chuan-He Tang
The improvement of the freeze-thaw stability of emulsions by interfacial engineering has attracted increasing attention in recent years. The present work investigated the potential of using soy protein isolate (SPI) aggregate nanoparticles as the Pickering stabilizers to improve the freeze-thaw stability of the resultant emulsions. SPI nanoparticles with different particle sizes and surface properties were fabricated through heating the SPI solutions (at a constant protein concentration of 2%, w/v) at 95 °C for 15 min, by varying the ionic strength (I) in the range of 0-500 mM...
August 1, 2017: Food & Function
https://www.readbyqxmd.com/read/28740977/effects-of-addition-of-hydrocolloids-on-the-textural-and-structural-properties-of-high-protein-intermediate-moisture-food-model-systems-containing-sodium-caseinate
#14
J Li, Y Wu, Y Ma, N Lu, J M Regenstein, P Zhou
High-protein intermediate moisture food (HPIMF) containing sodium caseinate (NaCN) often gave a harder texture compared with that made from whey proteins or soy proteins, due to the aggregation of protein particles. The objectives of this study were to explore whether the addition of hydrocolloids could soften the texture and illustrate the possible mechanism. Three kinds of hydrocolloids, xanthan gum, κ-carrageenan, and gum arabic were chosen, and samples including of these three kinds of hydrocolloids were studied through texture analysis using a TPA test and microstructure observation by confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM)...
August 1, 2017: Food & Function
https://www.readbyqxmd.com/read/28740306/comparative-study-of-the-quality-characteristics-of-defatted-soy-flour-treated-by-supercritical-carbon-dioxide-and-organic-solvent
#15
Sung-Won Kang, M Shafiur Rahman, Ah-Na Kim, Kyo-Yeon Lee, Chan-Yang Park, William L Kerr, Sung-Gil Choi
Defatted soy flour is a potential source of food protein, amino acids, ash and isoflavones. The supercritical carbon dioxide (SC-CO2) and a traditional organic solvent extraction methods were used to remove fat from soy flour, and the quality characteristics of a control soy flour (CSF), defatted soy flour by SC-CO2 (DSFSC-CO2) and defatted soy flour by an organic solvent (DSF-OS) were compared. The SC-CO2 process was carried out at a constant temperature of 45 °C, and a pressure of 40 MPa for 3 h with a CO2 flow rate of 30 g/min...
July 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28740276/effects-of-microbial-transglutaminase-on-physicochemical-properties-electrophoretic-patterns-and-sensory-attributes-of-veggie-burger
#16
Zahra Forghani, Mohammad Hadi Eskandari, Mahmoud Aminlari, Seyed Shahram Shekarforoush
The main objective of this study was to investigate the effects of microbial-transglutaminase (MTGase 0-0.75%)/sodium-caseinate (SC 0-2%) as crosslinker agents on proximate analysis, binding properties (expressible moisture and shrinkage), texture analysis, electrophoretic patterns, instrumental color, and sensory properties of veggie burgers. Addition of SC and MTGase positively affected shrinkage and expressible moisture. It also increased hardness, springiness, chewiness, and cutting-force of burgers. Presence of SC had no effects on cohesiveness of burgers...
July 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28727075/amino-acid-digestibility-by-weanling-pigs-of-processed-ingredients-originating-from-soybeans-00-rapeseeds-or-a-fermented-mixture-of-plant-ingredients
#17
D M D L Navarro, Y Liu, T S Bruun, H H Stein
An experiment was conducted to determine the apparent ileal digestibility (AID) and the standardized ileal digestibility (SID) of CP and AA in 4 sources of processed soybean products, in conventional dehulled soybean meal (SBM-CV), in conventional 00-rapeseed expellers (RSE), and in a fermented coproduct mixture (FCM) that contained rapeseed meal, wheat, soy molasses, and potato peel fed to weanling pigs. The 4 processed soybean products included 2 sources of enzyme-treated soybean meal (ESBM-1 and ESBM-2), extruded soybean meal, and soy protein concentrate (SPC)...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726509/soymilk-fermentation-by-enterococcus-faecalis-vb43-leads-to-reduction-in-the-immunoreactivity-of-allergenic-proteins-%C3%AE-conglycinin-7s-and-glycinin-11s
#18
V Biscola, A Rodriguez de Olmos, Y Choiset, H Rabesona, M S Garro, F Mozzi, J-M Chobert, M Drouet, T Haertlé, B D G M Franco
Food allergies represent a serious problem affecting human health and soy proteins rank among the most allergenic proteins from food origin. The proteolytic enzymes produced by lactic acid bacteria (LAB) can hydrolyse the major allergens present in soybean, reducing their immunoreactivity. Many studies have reported the ability of LAB to ferment soy-based products; while the majority of them focus on the improvement of the sensory characteristics and functionality of soy proteins, a lack of information about the role of lactic fermentation in the reduction of immunoreactivity of these proteins exists...
July 20, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28725450/various-levels-of-copra-meal-supplementation-with-%C3%AE-mannanase-on-growth-performance-blood-profile-nutrient-digestibility-pork-quality-and-economical-analysis-in-growing-finishing-pigs
#19
H J Kim, S O Nam, J H Jeong, L H Fang, H B Yoo, S H Yoo, J S Hong, S W Son, S H Ha, Y Y Kim
BACKGROUND: To reduce use of main feed ingredient like corn, soy bean meal (SBM) and wheat, alternative ingredients has been studied like copra meal (CM). Production amount of CM which has been high makes CM to be an alternative feed stuff. However, low digestibility on AA and low energy content by high fiber content can be an obstacle for using CM. This experiment was conducted to evaluate the effects of CM supplementation with β-mannanase on growth performance, blood profile, nutrient digestibility, pork quality and economic analysis in growing-finishing pigs...
2017: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/28723948/integrative-functional-analyses-using-rainbow-trout-selected-for-tolerance-to-plant-diets-reveal-nutrigenomic-signatures-for-soy-utilization-without-the-concurrence-of-enteritis
#20
Jason Abernathy, Andreas Brezas, Kevin R Snekvik, Ronald W Hardy, Ken Overturf
Finding suitable alternative protein sources for diets of carnivorous fish species remains a major concern for sustainable aquaculture. Through genetic selection, we created a strain of rainbow trout that outperforms parental lines in utilizing an all-plant protein diet and does not develop enteritis in the distal intestine, as is typical with salmonids on long-term plant protein-based feeds. By incorporating this strain into functional analyses, we set out to determine which genes are critical to plant protein utilization in the absence of gut inflammation...
2017: PloS One
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