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https://www.readbyqxmd.com/read/28795848/use-of-prebiotic-carbohydrate-as-wall-material-on-lime-essential-oil-microparticles
#1
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/28794923/a-sustainable-use-of-low-cost-raw-substrates-for-biodiesel-production-by-the-oleaginous-yeast-wickerhamomyces-anomalus
#2
Fatma Arous, Imen Ben Atitallah, Moncef Nasri, Tahar Mechichi
Over the past decade, the increasing demand of vegetable oils for biodiesel production has highlighted the need for alternative oil feedstocks that do not compete with food production. In this context, the combined use of agro-industrial wastes and oleaginous microorganisms could be a promising strategy for sustainable biodiesel production. The present investigation involves the performance of the oleaginous yeast Wickerhamomyces anomalus strain EC28 to produce lipids from different agro-industrial wastewaters (i...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28780108/the-effect-of-bleaching-agents-on-the-degradation-of-vitamins-and-carotenoids-in-spray-dried-whey-protein-concentrate
#3
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
#4
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/28766488/effect-of-high-strength-food-wastes-on-anaerobic-co-digestion-of-sewage-sludge
#5
(no author information available yet)
Anaerobic co-digestion has been practiced at water resource recovery facilities to increase methane production, but theimpact of many variables is still not well understood. In this study, the feasibility of co-digesting fats, oils and grease (FOG) and other high strength wastes (HSWs) with municipal sewage sludge was investigated. Four lab-scale, digesters were operated at a working volume of 9.75 L, 15 day SRT and temperature of 37 oC. Wastes including whey (cheese), juice, grease trap waste (GTW) and dissolved air flotation waste (DAF), along with municipal sewage sludge, were fed to the digesters in varying amounts...
July 6, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
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
#6
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/28747330/effects-of-randomized-whey-protein-loads-on-energy-intake-appetite-gastric-emptying-and-plasma-gut-hormone-concentrations-in-older-men-and-women
#7
Caroline Giezenaar, Laurence G Trahair, Natalie D Luscombe-Marsh, Trygve Hausken, Scott Standfield, Karen L Jones, Kylie Lange, Michael Horowitz, Ian Chapman, Stijn Soenen
Background: Protein- and energy-rich supplements are used widely for the management of malnutrition in the elderly. Information about the effects of protein on energy intake and related gastrointestinal mechanisms and whether these differ between men and women is limited.Objective: We determined the effects of whey protein on energy intake, appetite, gastric emptying, and gut hormones in healthy older men and women.Design: Eight older women and 8 older men [mean ± SEM age: 72 ± 1 y; body mass index (in kg/m(2)): 25 ± 1] were studied on 3 occasions in which they received protein loads of 30 g (120 kcal) or 70 g (280 kcal) or a flavored water control drink (0 kcal)...
July 26, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28740297/adulteration-identification-in-raw-milk-using-fourier-transform-infrared-spectroscopy
#8
Tatiane Barbosa Coitinho, Laerte Dagher Cassoli, Pedro Henrique Ramos Cerqueira, Helen Krystine da Silva, Juliana Barbosa Coitinho, Paulo Fernando Machado
Adulteration of milk is a common practice that concerns regulatory agencies, industry, and the population. Despite the growing need for checking adulteration, the current methods employed generally have low performance and are highly dependent on manual labor. This study aims to calibrate and validate a compact equipment (MilkoScan FT1) that adopts a Fourier transform infrared spectroscopy methodology to monitor adulteration in raw milk. Almost 2500 milk samples were used for reference spectrum construction and 1650 samples were used to validate the identification of the following five most commonly used adulterants (at three different concentrations each): (1) cornstarch, (2) sodium bicarbonate, (3) sodium citrate, (4) formaldehyde, and (5) saccharose, plus the additions of two levels of water or whey...
July 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28733010/effects-of-high-intensity-ultrasound-on-acid-induced-gelation-properties-of-whey-protein-gel
#9
Xue Shen, Changhui Zhao, Mingruo Guo
Pre-heated whey protein isolate (WPI) solution (10% w/v, 85°C for 30min) was prepared and subjected to high-intensity ultrasound (HUS, 20kHz) at different durations (5-40min) before acidification to determine the effects of HUS on glucono-δ-lactone (GDL)-induced gelation properties of whey protein gel. Results showed that HUS reduced the particle size and increased surface free sulfhydryl groups of pre-heated whey protein solution. Free sulfhydryl (-SH) content of the acid-induced WPI gels (GIWG) and protein solubility in presence of 8M urea were significantly reduced (P<0...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28727018/evaluation-of-electrical-broad-bandwidth-impedance-spectroscopy-as-a-tool-for-body-composition-measurement-in-cows-in-comparison-with-body-measurements-and-the-deuterium-oxide-dilution-method
#10
C T Schäff, U Pliquett, A Tuchscherer, R Pfuhl, S Görs, C C Metges, H M Hammon, C Kröger-Koch
Body fatness and degree of body fat mobilization in cows vary enormously during their reproduction cycle and influence energy partitioning and metabolic adaptation. The objective of the study was to test bioelectrical impedance spectroscopy (BIS) as a method for predicting fat depot mass (FDM), in living cows. The FDM is defined as the sum of subcutaneous, omental, mesenteric, retroperitoneal, and carcass fat mass. Bioelectrical impedance spectroscopy is compared with the prediction of FDM from the deuterium oxide (DO) dilution method and from body conformation measurements...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28695539/elucidation-of-bacillus-subtilis-katmira-1933-potential-for-spore-production-in-submerged-fermentation-of-plant-raw-materials
#11
Tamar Khardziani, Eva Kachlishvili, Kakha Sokhadze, Vladimir Elisashvili, Richard Weeks, Michael L Chikindas, Vladimir Chistyakov
In this study, the effects of several key factors to increase spore production by Bacillus subtilis subsp. KATMIRA 1933 were evaluated in shake flask experiments. In a synthetic medium, glucose concentration played a crucial role in the expression of bacilli sporulation capacity. In particular, maximum spore yield (2.3 × 10(9) spores/mL) was achieved at low glucose concentration (2 g/L), and further gradual increase of the carbon source content in the medium caused a decrease in sporulation capacity. Substitution of glucose with several inexpensive lignocellulosic materials was found to be a reasonable way to achieve high cell density and sporulation...
July 10, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28688363/modulating-in-vitro-gastric-digestion-of-emulsions-using-composite-whey-protein-cellulose-nanocrystal-interfaces
#12
Anwesha Sarkar, Shuning Zhang, Brent Murray, Jessica A Russell, Sally Boxal
In this study, we designed emulsions with an oil-water interface consisting of a composite layer of whey protein isolate (WPI, 1wt%) and cellulose nanocrystals (CNCs) (1-3wt%). The hypothesis was that a secondary layer of CNCs at the WPI-stabilized oil-water interface could protect the interfacial protein layer against in vitro gastric digestion by pepsin at 37°C. A combination of transmission electron microscopy, ζ-potential measurements, interfacial shear viscosity measurements and theoretical surface coverage considerations suggested the presence of CNCs and WPI together at the O/W interface, owing to the electrostatic attraction between complementarily charged WPI and CNCs at pH 3...
June 23, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28686974/phytotherapeutic-potential-of-natural-herbal-medicines-for-the-treatment-of-mild-to-severe-atopic-dermatitis-a-review-of-human-clinical-studies
#13
REVIEW
Zahid Hussain, Hnin Ei Thu, Ahmad Nazrun Shuid, Prashant Kesharwani, Shahzeb Khan, Fahad Hussain
For many decades, natural herbal medicines, polyherbal formulations and/or decoctions of plant-derived materials have widely been accepted as alternative complementary therapies for the treatment, cure or prevention of a wide range of acute and chronic skin diseases including chronic herpes, prurigo, acute and chronic wounds, psoriasis and atopic dermatitis (AD). This review was aimed to summarize and critically discuss about the therapeutic viability and clinical applicability of natural herbal medicines for the treatment of AD in human...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28672186/effect-of-pretreatment-and-membrane-orientation-on-fluxes-for-concentration-of-whey-with-high-foulants-by-using-nh3-co2-in-forward-osmosis
#14
M Seker, E Buyuksari, S Topcu, D S Babaoglu, D Celebi, B Keskinler, C Aydiner
Usage of forward osmosis membrane in FO mode, in which active and support layers of the membrane were in contact with the feed and the draw solutions respectively, provided higher initial water flux (12L/m(2)h) than the usage of membrane in PRO mode (6L/m(2)h) having opposite orientation but fluxes approached to each other after 4h during concentration of whey with NH3/CO2 as draw salt. High organic and inorganic foulants of whey was considered as reason for observed result in addition to lower solute resistivity...
June 21, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28668535/insights-into-the-mechanism-of-the-formation-of-the-most-stable-crystal-polymorph-of-milk-fat-in-model-protein-matrices
#15
P R Ramel, A G Marangoni
The effect of incorporation and presence of various ingredients in a model sodium caseinate-based imitation cheese matrix on the polymorphism of milk fat was comprehensively described using powder x-ray diffraction, differential scanning calorimetry, and microscopy. With anhydrous milk fat (AMF) in bulk used as control, the embedding of AMF as droplets in a protein matrix was found to result in a greater extent of formation of the β polymorph than AMF alone and AMF homogenized with water and salts solution...
September 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28624082/the-influence-of-carrier-material-on-some-physical-and-structural-properties-of-carrot-juice-microcapsules
#16
Emilia Janiszewska-Turak, Nicolò Dellarosa, Urszula Tylewicz, Luca Laghi, Santina Romani, Marco Dalla Rosa, Dorota Witrowa-Rajchert
This study investigates the effect of carrier type on the physical and structural properties of microcapsules of pure carrot juice. Low-crystallised maltodextrin (MD), gum arabic (GA), mixtures of MD and GA (1:1; 2:1; 3:1) and whey protein isolate (WPI) were used as carriers. Microencapsulation was carried out in a spray-drier at inlet air temperature of 160°C. Powders were investigated for dry matter, water activity, diameter, carotene content and hygroscopicity. In addition, differential scanning calorimetry (DSC) and time domain nuclear magnetic resonance (TD-NMR) were applied to analyse microcapsules glass transition temperature (Tg)...
December 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28623565/the-novel-oleaginous-bacterium-sphingomonas-sp-egy1-dsm-29616-a-value-added-platform-for-renewable-biodiesel
#17
Nehad N Amer, Yasser Elbahloul, Amira M Embaby, Ahmed Hussein
Oleaginous microorganisms are regarded as efficient, renewable cell factories for lipid biosynthesis, a biodiesel precursor, to overwhelm the cosmopolitan energy crisis with affordable investment capital costs. Present research highlights production and characterization of lipids by a newly isolated oleaginous bacterium, Sphingomonas sp. EGY1 DSM 29616 through an eco-friendly approach. Only sweet whey [42.1% (v/v)] in tap water was efficiently used as a growth medium and lipid production medium to encourage cell growth and trigger lipid accumulation simultaneously...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28603087/cysteine-rich-whey-protein-isolate-immunocal%C3%A2-ameliorates-deficits-in-the-gfap-hmox1-mouse-model-of-schizophrenia
#18
Wei Song, Ayda Tavitian, Marisa Cressatti, Carmela Galindez, Adrienne Liberman, Hyman M Schipper
Schizophrenia is a neuropsychiatric disorder that features neural oxidative stress and glutathione (GSH) deficits. Oxidative stress is augmented in brain tissue of GFAP.HMOX1 transgenic mice which exhibit schizophrenia-relevant characteristics. The whey protein isolate, Immunocal® serves as a GSH precursor upon oral administration. In this study, we treated GFAP.HMOX1 transgenic mice daily with either Immunocal (33mg/ml drinking water) or equivalent concentrations of casein (control) between the ages of 5 and 6...
June 8, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28598497/descriptive-and-temporal-saltiness-perception-properties-of-model-solid-lipoproteic-colloid-foods-implications-for-sodium-reduction
#19
Wan-Yuan Kuo, Youngsoo Lee
Solid lipoproteic colloid (SLC) foods that consist of an oil-in-water emulsion of lipid and protein such as cheese and sausage contribute a significant amount of sodium to modern diets. This study aimed to correlate the overall saltiness perception to the texture and temporal saltiness perception of SLCs to understand saltiness perception during oral processing. Model SLCs with varying levels of protein and fat were prepared via pressure homogenization of whey protein isolate, anhydrous milk fat, and NaCl, followed by heat-induced gelation...
July 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28595482/development-of-edible-films-obtained-from-submicron-emulsions-based-on-whey-protein-concentrate-oil-beeswax-and-brea-gum
#20
Juan Pablo Cecchini, María J Spotti, Andrea M Piagentini, Viviana G Milt, Carlos R Carrara
Edible films with whey protein concentrate (WPC) with a lipid component, sunflower oil (O) or beeswax (W), to enhance barrier to water vapor were obtained. Brea gum was used as emulsifier and also as matrix component. In order to achieve emulsion with small and homogeneous droplet size, an ultrasonicator equipment was used after obtaining a pre-emulsion using a blender. The films were made by casting. Effects of lipid fraction on droplet size, zeta potential, mechanical properties, water vapor permeability (WVP), solubility, and optical properties were determined...
June 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
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