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https://www.readbyqxmd.com/read/29051638/physical-characterization-of-whole-and-skim-dried-milk-powders
#1
Alessandro Pugliese, Giovanni Cabassi, Emma Chiavaro, Maria Paciulli, Eleonora Carini, Germano Mucchetti
The lack of updated knowledge about the physical properties of milk powders aimed us to evaluate selected physical properties (water activity, particle size, density, flowability, solubility and colour) of eleven skim and whole milk powders produced in Europe. These physical properties are crucial both for the management of milk powder during the final steps of the drying process, and for their use as food ingredients. In general, except for the values of water activity, the physical properties of skim and whole milk powders are very different...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29051636/effects-of-different-carrier-materials-on-physicochemical-properties-of-microencapsulated-grape-skin-extract
#2
Ana M Kalušević, Steva M Lević, Bojan R Čalija, Jela R Milić, Vladimir B Pavlović, Branko M Bugarski, Viktor A Nedović
The goal of this study was to investigate the characteristics of grape skin extract (GSE) spray dried with different carriers: maltodextrin (MD), gum Arabic (GA) and skim milk powder (SMP). The grape skin extract was obtained from winery by-product of red grape variety Prokupac (Vitis vinifera L.). The morphology of the powders, their thermal, chemical and physical properties (water activity, bulk and tapped densities, solubility), as well as release studies in different pH conditions were analyzed. Total anthocyanin content and total phenolic content were determined by spectrophotometric methods...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29022387/lactobacillus-plantarum-is-10506-supplementation-reduced-scorad-in-children-with-atopic-dermatitis
#3
C R S Prakoeswa, N Herwanto, R Prameswari, L Astari, S Sawitri, A N Hidayati, D M Indramaya, E R Kusumowidagdo, I S Surono
Lactobacillus plantarum IS-10506 is a novel probiotic isolated from dadih, an Indonesian traditional fermented buffalo milk. It's in vitro and in vivo probiotic properties have been assessed. Probiotic function has been shown in vivo by the suppression of allergic reactions in BALB/c mice through the action of T-regulatory cells cytokines by balancing Th1 and Th2 immune response. Atopic dermatitis (AD) is a chronic recurrent inflammatory skin disease characterised by the imbalance of Th1 and Th2. The aim of the study was to assess the probiotic function of L...
October 12, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28992007/effects-of-diet-complexity-and-multicarbohydrase-supplementation-on-growth-performance-nutrient-digestibility-blood-profile-intestinal-morphology-and-fecal-score-in-newly-weaned-pigs
#4
B Koo, J W Kim, C F M de Lange, M M Hossain, C M Nyachoti
To study the effects of diet complexity and multicarbohydrase (MC) supplementation, 144 piglets (6.70 ± 0.81 kg of BW) weaned at 21 ± 2 d of age (1:1 male to female ratio) were assigned to 1 of 6 dietary treatments in a 3 × 2 factorial arrangement based on diet complexity (complex1, complex2, and simple) and MC addition (0 vs. 0.1% of MC). Diets were provided in a 2-phase feeding program with phase I (d 1 to 14) and phase II diets (d 15 to 28). Complex1 was formulated to mimic a conventional weaner diet with blood plasma, fish meal, dried whey, and skim milk powder, whereas complex2 partially or totally replaced these ingredients with various plant-based ingredients...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28987867/neuroprotective-effect-of-a-new-variant-of-epo-nonhematopoietic-against-oxidative-stress
#5
C Castillo, S Zaror, M Gonzalez, A Hidalgo, C F Burgos, O I Cabezas, F Hugues, S P Jiménez, E González-Horta, I González-Chavarría, J Gavilán, R Montesino, O Sánchez, Manuela G Lopez, J Fuentealba, J R Toledo
Human erythropoietin is mainly recognized for its hematopoietic function; however, by binding to its receptor (EpoR), it can activate different signaling pathways as STAT, PI3K, MAPK and RAS to increase cellular differentiation or provide neuroprotective effects, among others. A recombinant human erythropoietin variant with low glycosylation and without hematopoietic effect (EpoL) was purified from skimmed goat milk. Recombinant human erythropoietin (Epo) was obtained from CHO cell line and used as control to compare EpoL effects...
September 21, 2017: Redox Biology
https://www.readbyqxmd.com/read/28987717/protective-effect-of-rumenic-acid-rich-cow-s-milk-against-colitis-is-associated-with-the-activation-of-nrf2-pathway-in-a-murine-model
#6
P Bergamo, E Cocca, A Monaco, V Cozzolino, F Boscaino, I Ferrandino, F Maurano, M Rossi
Dietary supplementation with pure cis9, trans11 isomer of Conjugated Linoleic Acid -known as Rumenic Acid (RA)- improves cytoprotective defenses downstream through the activation of nuclear factor-E2-related factor-2(Nrf2). This capability, when Rumenic Acid is consumed in the form of foods, is still unknown. The ability of standard (St) or cow milk naturally-enriched in RA (En) to activate Nrf2 pathway and its impact on dextran sodium sulfate (DSS)-induced colitis was comparatively evaluated. Activity of Nrf2 pathway was investigated in colonic tissue of BALB/c mice, receiving 4-week supplement with skimmed milk (SK), St or St reinforced with pure RA (RSt) providing increasing RA dose (0, 124 or 404mg RA/kg(-1) b...
October 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28968534/propensity-for-biofilm-formation-by-aerobic-mesophilic-and-thermophilic-spore-forming-bacteria-isolated-from-chinese-milk-powders
#7
Faizan A Sadiq, Steve Flint, Lei Yuan, Yun Li, TongJie Liu, GuoQing He
Biofilms on the surface of dairy manufacturing plants are potential reservoirs of microbial contamination. These microbial aggregates may harbour pathogenic and spoilage organisms which contaminate dairy products. The biofilm forming capacity of many spore forming isolates of dairy origin has not been given much attention. The present study explored the biofilm forming potential of 148 isolates, comprising mesophilic and thermophilic bacteria, with particular emphasis on Bacillus licheniformis on polystyrene and stainless steel (SS) surfaces...
December 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28958545/freeze-dried-capsules-prepared-from-emulsions-with-encapsulated-lactase-as-a-potential-delivery-system-to-control-lactose-hydrolysis-in-milk
#8
Yun Zhang, Qixin Zhong
The objective of this work was to study solid/oil/water (S/O/W) emulsions as delivery systems with retained lactase in milk and controlled release during in vitro digestion. Spray-dried lactase powder was suspended in anhydrous milk fat/Span® 80 emulsified by sodium caseinate and lecithin (5:1). The S/O/W emulsion had an encapsulation efficiency of 75%, a hydrodynamic diameter of 292nm, and a zeta potential of -17.37mV. Cross-linking the dialyzed emulsion with transglutaminase eliminated the detection of free lactase after freeze-drying emulsions and the addition of sodium caseinate further preserved lactase activity...
February 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28953236/post-exercise-muscle-protein-synthesis-in-rats-after-ingestion-of-acidified-bovine-milk-compared-with-skim-milk
#9
Kyosuke Nakayama, Atsushi Kanda, Ryoichi Tagawa, Chiaki Sanbongi, Shuji Ikegami, Hiroyuki Itoh
Bovine milk proteins have a low absorption rate due to gastric acid-induced coagulation. Acidified milk remains liquid under acidic conditions; therefore, the absorption rate of its protein may differ from that of untreated milk. To investigate how this would affect muscle protein synthesis (MPS), we compared MPS after ingestion of acidified versus skim milk in rats. Male Sprague-Dawley rats swam for 2 h and were immediately administered acidified or skim milk, then euthanized at 30, 60, 90, and 120 min afterwards...
September 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28946407/ultrasound-assisted-synthesis-of-stable-oil-in-milk-emulsion-study-of-operating-parameters-and-scale-up-aspects
#10
Leena Patil, Parag R Gogate
In the present work, application of ultrasound and stirring individually or in combination for improved emulsification of turmeric oil in skimmed milk has been investigated. The effect of different operating parameters/strategies such as addition of surfactant, sodium dodecyl sulfate (SDS), at different concentrations, quantity of oil phase, applied power, sonication time and duty cycle on the droplet size have been investigated. The stability of emulsion was analyzed in terms of the fraction of the emulsion that remains stable for a period of 28days...
January 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28946300/optimization-of-vitamins-a-and-d3-loading-in-re-assembled-casein-micelles-and-effect-of-loading-on-stability-of-vitamin-d3-during-storage
#11
Anisa Loewen, Benny Chan, Eunice C Y Li-Chan
The objectives of this study were to apply response surface methodology to optimize fat-soluble vitamin loading in re-assembled casein micelles, and to evaluate vitamin D stability of dry formulations during ambient or accelerated storage and in fortified fluid skim milk stored under refrigeration. Optimal loading of vitamin A (1.46-1.48mg/100mgcasein) was found at 9.7mM phosphate, 5.5mM citrate and 30.0mM calcium, while optimal loading of vitamin D (1.38-1.46mg/100mg casein) was found at 4.9mM phosphate, 4...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28942462/fluidised-bed-spray-drying-formulations-of-candida-sake-cpa-1-by-adding-biodegradable-coatings-to-enhance-their-survival-under-stress-conditions
#12
Anna Carbó, Rosario Torres, Josep Usall, Cristina Solsona, Neus Teixidó
The biocontrol agent Candida sake CPA-1 has demonstrated to be effective against several diseases on fruit. However, for application of CPA-1 under field conditions, it was necessary to mix it with a food coating to improve survival under stress conditions, as well as adherence and distribution on fruit surfaces. The objective of this study was to obtain a more competitive formulation under field conditions to be applied independently of any product. To achieve this purpose, the drying process of CPA-1 by a fluidised-bed spray-drying system together with biodegradable coatings was optimised...
September 23, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28929994/effect-of-chelators-on-functionality-of-milk-protein-concentrates-obtained-by-ultrafiltration-at-a-constant-ph-and-temperature
#13
Lata Ramchandran, XiaoXia Luo, Todor Vasiljevic
Modulating conditions during ultrafiltration of skim milk appears to be a feasible strategy to obtain milk protein concentrates (MPC) with tailored functionalities. Adjustment of pH and process temperature attenuated properties of casein micelle resulting in enhanced emulsification capacity. Additional pre-treatment options such as addition of calcium chelators can further impact on the functionality of MPC by modifying the calcium distribution and casein micelle integrity. The objective of the project was to establish effects of pre-treating skim milk with calcium chelators (EDTA or citrate) in concentrations between 10 to 30 mm prior to UF on the physical properties of the feed, corresponding retentates and dried MPC, including particle size, zeta potential and calcium distribution in skim milk and the corresponding retentates, as well as the physical functionalities such as solubility, heat stability and emulsifying properties...
September 20, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28929793/stainless-steel-and-polyethylene-surfaces-functionalized-with-silver-nanoparticles
#14
José Fq Fialho, Emiliane Aa Naves, Patrícia C Bernardes, Deusmaque C Ferreira, Letícia D Dos Anjos, Rogério V Gelamo, João Pn de Sá, Nélio J de Andrade
The antimicrobial effects of a stainless steel surface and a polyethylene surface functionalized with silver nanoparticles on the adhesion of different bacteria and the changes in physical and chemical characteristics of these surfaces that influence biofilm formation were evaluated. The functionalized surfaces of polyethylene and stainless steel were more hydrophobic than the control ones. The bacterial surfaces were hydrophilic. The adhesion of all bacteria was thermodynamically favorable (ΔGadhesion<0) on all surfaces functionalized and control...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28928508/effect-of-%C3%AE-glucan-fortification-on-physico-chemical-rheological-textural-colour-and-organoleptic-characteristics-of-low-fat-dahi
#15
Dadi Bhaskar, Sunil Kumar Khatkar, Rekha Chawla, Harsh Panwar, Swati Kapoor
Fortified low fat functional dahi prepared by supplementing skimmed buffalo milk with β-glucan (0.25, 0.50, 0.75 and 1.0%) was assessed for physico-chemical, rheological, textural, colour and sensorial characteristics. Total solids in dahi increased significantly with the increase in β-glucan concentration, however, values of fat, protein and ash varied non-significantly upon β-glucan addition in dahi. β-glucan at 0.5% solids levels, produced low fat dahi with superior quality, less whey separation and good textural properties than the samples containing other levels...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28918434/improved-dna-purification-with-quality-assurance-for-evaluation-of-the-microbial-genetic-content-of-constructed-wetlands
#16
Wenda Huang, Jingjing Guo, Ran Tao, Ying Man, Yunv Dai, Yang Yang
Efficient isolation of target DNA is a crucial first step of DNA-based metagenomic analyses of environmental samples. Insufficient quantity and purity of DNA isolated using commercial kits result in missing genetic information, especially for large-diameter substrates in constructed wetlands (CWs). Here, we addressed this problem by devising a cost-effective calcium chloride lysozyme-sodium dodecyl sulfate (SDS) method (CCLS), with key improvements in the steps of humic acid removal and cell lysis. The buffer comprising Tris, EDTA, Na2O2P7 and PVPP (TENP), and skim milk, could reduce adsorption between microorganisms and substrates, and calcium chloride precipitated and removed over 94% of humic acid...
September 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28899371/simultaneous-detection-of-%C3%AE-lactoalbumin-%C3%AE-lactoglobulin-and-lactoferrin-in-milk-by-visualized-microarray
#17
Zhoumin Li, Fang Wen, Zhonghui Li, Nan Zheng, Jindou Jiang, Danke Xu
BACKGROUND: α-Lactalbumin (a-LA), β-lactoglobulin (β-LG) and lactoferrin (LF) are of high nutritional value which have made ingredients of choice in the formulation of modern foods and beverages. There remains an urgent need to develop novel biosensing methods for quantification featuring reduced cost, improved sensitivity, selectivity and more rapid response, especially for simultaneous detection of multiple whey proteins. RESULTS: A novel visualized microarray method was developed for the determination of a-LA, β-LG and LF in milk samples without the need for complex or time-consuming pre-treatment steps...
September 12, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28892496/effectiveness-of-food-supplements-in-increasing-fat-free-tissue-accretion-in-children-with-moderate-acute-malnutrition-a-randomised-2-%C3%A3-2-%C3%A3-3-factorial-trial-in-burkina-faso
#18
RANDOMIZED CONTROLLED TRIAL
Christian Fabiansen, Charles W Yaméogo, Ann-Sophie Iuel-Brockdorf, Bernardette Cichon, Maren J H Rytter, Anura Kurpad, Jonathan C Wells, Christian Ritz, Per Ashorn, Suzanne Filteau, André Briend, Susan Shepherd, Vibeke B Christensen, Kim F Michaelsen, Henrik Friis
BACKGROUND: Children with moderate acute malnutrition (MAM) are treated with lipid-based nutrient supplement (LNS) or corn-soy blend (CSB). We assessed the effectiveness of (a) matrix, i.e., LNS or CSB, (b) soy quality, i.e., soy isolate (SI) or dehulled soy (DS), and (c) percentage of total protein from dry skimmed milk, i.e., 0%, 20%, or 50%, in increasing fat-free tissue accretion. METHODS AND FINDINGS: Between September 9, 2013, and August 29, 2014, a randomised 2 × 2 × 3 factorial trial recruited 6- to 23-month-old children with MAM in Burkina Faso...
September 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28888682/rapid-capillary-electrophoresis-approach-for-the-quantification-of-ewe-milk-adulteration-with-cow-milk
#19
Francesca Trimboli, Valeria Maria Morittu, Caterina Cicino, Camillo Palmieri, Domenico Britti
The substitution of ewe milk with more economic cow milk is a common fraud. Here we present a capillary electrophoresis method for the quantification of ewe milk in ovine/bovine milk mixtures, which allows for the rapid and inexpensive recognition of ewe milk adulteration with cow milk. We utilized a routine CE method for human blood and urine proteins analysis, which fulfilled the separation of skimmed milk proteins in alkaline buffer. Under this condition, ovine and bovine milk exhibited a recognizable and distinct CE protein profiles, with a specific ewe peak showing a reproducible migration zone in ovine/bovine mixtures...
October 13, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28873688/combined-effects-of-holy-basil-essential-oil-and-inlet-temperature-on-lipid-peroxidation-and-survival-of-lactobacillus-reuteri-kub-ac5-during-spray-drying
#20
Akkaratch Rodklongtan, Pakamon Chitprasert
Lipid peroxidation induced by oxidative stress plays an important role in reducing probiotic survival during spray drying. In this study, the probiotic Lactobacillus reuteri KUB-AC5 was co-encapsulated with holy basil essential oil, HBEO (0, 6, and 12mg/ml), by spray drying using skim milk at inlet air temperatures of 130, 140, and 150°C. The microcapsule properties in terms of morphology, size, moisture content, water activity, surface oil, microencapsulation efficiency, antioxidant activity, lipid peroxidation, and cell survival were determined...
October 2017: Food Research International
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